The remote Debian 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the dla-2686 advisory.

    Several vulnerabilities were discovered in python-urllib3, a HTTP client for Python. CVE-2018-20060     Urllib3 does not remove the Authorization HTTP header when following a cross-origin redirect (i.e., a     redirect that differs in host, port, or scheme). This can allow for credentials in the Authorization     header to be exposed to unintended hosts or transmitted in cleartext. CVE-2019-11236 CRLF injection is     possible if the attacker controls the request parameter. CVE-2019-11324 Urllib3 mishandles certain cases     where the desired set of CA certificates is different from the OS store of CA certificates, which results     in SSL connections succeeding in situations where a verification failure is the correct outcome. This is     related to use of the ssl_context, ca_certs, or ca_certs_dir argument. CVE-2020-26137 Urllib3 allows CRLF     injection if the attacker controls the HTTP request method, as demonstrated by inserting CR and LF control     characters in the first argument of putrequest(). For Debian 9 stretch, these problems have been fixed in     version 1.19.1-1+deb9u1. We recommend that you upgrade your python-urllib3 packages. For the detailed     security status of python-urllib3 please refer to its security tracker page at: https://security-     tracker.debian.org/tracker/python-urllib3 Further information about Debian LTS security advisories, how to     apply these updates to your system and frequently asked questions can be found at:
    https://wiki.debian.org/LTS

Tenable has extracted the preceding description block directly from the Debian security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote Oracle Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2019-3335 advisory.

  - An issue was discovered in urllib2 in Python 2.x through 2.7.16 and urllib in Python 3.x through 3.7.3.
    CRLF injection is possible if the attacker controls a url parameter, as demonstrated by the first argument     to urllib.request.urlopen with \r\n (specifically in the query string after a ? character) followed by an     HTTP header or a Redis command. This is fixed in: v2.7.17, v2.7.17rc1, v2.7.18, v2.7.18rc1; v3.5.10,     v3.5.10rc1, v3.5.8, v3.5.8rc1, v3.5.8rc2, v3.5.9; v3.6.10, v3.6.10rc1, v3.6.11, v3.6.11rc1, v3.6.12,     v3.6.9, v3.6.9rc1; v3.7.4, v3.7.4rc1, v3.7.4rc2, v3.7.5, v3.7.5rc1, v3.7.6, v3.7.6rc1, v3.7.7, v3.7.7rc1,     v3.7.8, v3.7.8rc1, v3.7.9. (CVE-2019-9740)

  - An issue was discovered in urllib2 in Python 2.x through 2.7.16 and urllib in Python 3.x through 3.7.3.
    CRLF injection is possible if the attacker controls a url parameter, as demonstrated by the first argument     to urllib.request.urlopen with \r\n (specifically in the path component of a URL that lacks a ? character)     followed by an HTTP header or a Redis command. This is similar to the CVE-2019-9740 query string issue.
    This is fixed in: v2.7.17, v2.7.17rc1, v2.7.18, v2.7.18rc1; v3.5.10, v3.5.10rc1, v3.5.8, v3.5.8rc1,     v3.5.8rc2, v3.5.9; v3.6.10, v3.6.10rc1, v3.6.11, v3.6.11rc1, v3.6.12, v3.6.9, v3.6.9rc1; v3.7.4,     v3.7.4rc1, v3.7.4rc2, v3.7.5, v3.7.5rc1, v3.7.6, v3.7.6rc1, v3.7.7, v3.7.7rc1, v3.7.8, v3.7.8rc1, v3.7.9.
    (CVE-2019-9947)

  - urllib in Python 2.x through 2.7.16 supports the local_file: scheme, which makes it easier for remote     attackers to bypass protection mechanisms that blacklist file: URIs, as demonstrated by triggering a     urllib.urlopen('local_file:///etc/passwd') call. (CVE-2019-9948)

  - In the urllib3 library through 1.24.1 for Python, CRLF injection is possible if the attacker controls the     request parameter. (CVE-2019-11236)

  - An issue was discovered in NumPy 1.16.0 and earlier. It uses the pickle Python module unsafely, which     allows remote attackers to execute arbitrary code via a crafted serialized object, as demonstrated by a     numpy.load call. NOTE: third parties dispute this issue because it is a behavior that might have     legitimate applications in (for example) loading serialized Python object arrays from trusted and     authenticated sources (CVE-2019-6446)

  - The urllib3 library before 1.24.2 for Python mishandles certain cases where the desired set of CA     certificates is different from the OS store of CA certificates, which results in SSL connections     succeeding in situations where a verification failure is the correct outcome. This is related to use of     the ssl_context, ca_certs, or ca_certs_dir argument. (CVE-2019-11324)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote Rocky Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2019:3335 advisory.

  - In the urllib3 library through 1.24.1 for Python, CRLF injection is possible if the attacker controls the     request parameter. (CVE-2019-11236)

  - The urllib3 library before 1.24.2 for Python mishandles certain cases where the desired set of CA     certificates is different from the OS store of CA certificates, which results in SSL connections     succeeding in situations where a verification failure is the correct outcome. This is related to use of     the ssl_context, ca_certs, or ca_certs_dir argument. (CVE-2019-11324)

  - ** DISPUTED ** An issue was discovered in NumPy 1.16.0 and earlier. It uses the pickle Python module     unsafely, which allows remote attackers to execute arbitrary code via a crafted serialized object, as     demonstrated by a numpy.load call. NOTE: third parties dispute this issue because it is a behavior that     might have legitimate applications in (for example) loading serialized Python object arrays from trusted     and authenticated sources. (CVE-2019-6446)

  - An issue was discovered in urllib2 in Python 2.x through 2.7.16 and urllib in Python 3.x through 3.7.3.
    CRLF injection is possible if the attacker controls a url parameter, as demonstrated by the first argument     to urllib.request.urlopen with \r\n (specifically in the query string after a ? character) followed by an     HTTP header or a Redis command. This is fixed in: v2.7.17, v2.7.17rc1, v2.7.18, v2.7.18rc1; v3.5.10,     v3.5.10rc1, v3.5.8, v3.5.8rc1, v3.5.8rc2, v3.5.9; v3.6.10, v3.6.10rc1, v3.6.11, v3.6.11rc1, v3.6.12,     v3.6.9, v3.6.9rc1; v3.7.4, v3.7.4rc1, v3.7.4rc2, v3.7.5, v3.7.5rc1, v3.7.6, v3.7.6rc1, v3.7.7, v3.7.7rc1,     v3.7.8, v3.7.8rc1, v3.7.9. (CVE-2019-9740)

  - An issue was discovered in urllib2 in Python 2.x through 2.7.16 and urllib in Python 3.x through 3.7.3.
    CRLF injection is possible if the attacker controls a url parameter, as demonstrated by the first argument     to urllib.request.urlopen with \r\n (specifically in the path component of a URL that lacks a ? character)     followed by an HTTP header or a Redis command. This is similar to the CVE-2019-9740 query string issue.
    This is fixed in: v2.7.17, v2.7.17rc1, v2.7.18, v2.7.18rc1; v3.5.10, v3.5.10rc1, v3.5.8, v3.5.8rc1,     v3.5.8rc2, v3.5.9; v3.6.10, v3.6.10rc1, v3.6.11, v3.6.11rc1, v3.6.12, v3.6.9, v3.6.9rc1; v3.7.4,     v3.7.4rc1, v3.7.4rc2, v3.7.5, v3.7.5rc1, v3.7.6, v3.7.6rc1, v3.7.7, v3.7.7rc1, v3.7.8, v3.7.8rc1, v3.7.9.
    (CVE-2019-9947)

  - urllib in Python 2.x through 2.7.16 supports the local_file: scheme, which makes it easier for remote     attackers to bypass protection mechanisms that blacklist file: URIs, as demonstrated by triggering a     urllib.urlopen('local_file:///etc/passwd') call. (CVE-2019-9948)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

According to the version of the python-urllib3 packages installed, the EulerOS installation on the remote host is affected by the following vulnerability :

  - The urllib3 library before 1.24.2 for Python mishandles     certain cases where the desired set of CA certificates     is different from the OS store of CA certificates,     which results in SSL connections succeeding in     situations where a verification failure is the correct     outcome. This is related to use of the ssl_context,     ca_certs, or ca_certs_dir argument.(CVE-2019-11324)

Note that Tenable Network Security has extracted the preceding description block directly from the EulerOS security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

Upgrade bundled urllib3 to 1.25.3, requests to 2.22.0. Security fix for CVE-2019-11324, CVE-2019-11236.

Note that Tenable Network Security has extracted the preceding description block directly from the Fedora update system website.
Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS-2020-1340 advisory.

    In the urllib3 library through 1.24.1 for Python, CRLF injection is possible if the attacker controls the     request parameter. (CVE-2019-11236)

    The urllib3 library before 1.24.2 for Python mishandles certain cases where the desired set of CA     certificates is different from the OS store of CA certificates, which results in SSL connections     succeeding in situations where a verification failure is the correct outcome. This is related to use of     the ssl_context, ca_certs, or ca_certs_dir argument. (CVE-2019-11324)

Tenable has extracted the preceding description block directly from the tested product security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

An update of the python package has been released.

The version of AOS installed on the remote host is prior to 5.18. It is, therefore, affected by multiple vulnerabilities as referenced in the NXSA-AOS-5.18 advisory.

  - When using the Apache JServ Protocol (AJP), care must be taken when trusting incoming connections to     Apache Tomcat. Tomcat treats AJP connections as having higher trust than, for example, a similar HTTP     connection. If such connections are available to an attacker, they can be exploited in ways that may be     surprising. In Apache Tomcat 9.0.0.M1 to 9.0.0.30, 8.5.0 to 8.5.50 and 7.0.0 to 7.0.99, Tomcat shipped     with an AJP Connector enabled by default that listened on all configured IP addresses. It was expected     (and recommended in the security guide) that this Connector would be disabled if not required. This     vulnerability report identified a mechanism that allowed: - returning arbitrary files from anywhere in the     web application - processing any file in the web application as a JSP Further, if the web application     allowed file upload and stored those files within the web application (or the attacker was able to control     the content of the web application by some other means) then this, along with the ability to process a     file as a JSP, made remote code execution possible. It is important to note that mitigation is only     required if an AJP port is accessible to untrusted users. Users wishing to take a defence-in-depth     approach and block the vector that permits returning arbitrary files and execution as JSP may upgrade to     Apache Tomcat 9.0.31, 8.5.51 or 7.0.100 or later. A number of changes were made to the default AJP     Connector configuration in 9.0.31 to harden the default configuration. It is likely that users upgrading     to 9.0.31, 8.5.51 or 7.0.100 or later will need to make small changes to their configurations.
    (CVE-2020-1938)

  - rtl_p2p_noa_ie in drivers/net/wireless/realtek/rtlwifi/ps.c in the Linux kernel through 5.3.6 lacks a     certain upper-bound check, leading to a buffer overflow. (CVE-2019-17666)

  - The Linux kernel before 5.1-rc5 allows page->_refcount reference count overflow, with resultant use-after-     free issues, if about 140 GiB of RAM exists. This is related to fs/fuse/dev.c, fs/pipe.c, fs/splice.c,     include/linux/mm.h, include/linux/pipe_fs_i.h, kernel/trace/trace.c, mm/gup.c, and mm/hugetlb.c. It can     occur with FUSE requests. (CVE-2019-11487)

  - A flaw was found in the fix for CVE-2019-11135, in the Linux upstream kernel versions before 5.5 where,     the way Intel CPUs handle speculative execution of instructions when a TSX Asynchronous Abort (TAA) error     occurs. When a guest is running on a host CPU affected by the TAA flaw (TAA_NO=0), but is not affected by     the MDS issue (MDS_NO=1), the guest was to clear the affected buffers by using a VERW instruction     mechanism. But when the MDS_NO=1 bit was exported to the guests, the guests did not use the VERW mechanism     to clear the affected buffers. This issue affects guests running on Cascade Lake CPUs and requires that     host has 'TSX' enabled. Confidentiality of data is the highest threat associated with this vulnerability.
    (CVE-2019-19338)

  - The xz_decomp function in xzlib.c in libxml2 2.9.1 does not properly detect compression errors, which     allows context-dependent attackers to cause a denial of service (process hang) via crafted XML data.
    (CVE-2015-8035)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Security Fix(es) :

  - python-urllib3: Cross-host redirect does not remove     Authorization header allow for credential exposure     (CVE-2018-20060)

  - python-urllib3: CRLF injection due to not encoding the     '\r\n' sequence leading to possible attack on internal     service (CVE-2019-11236)

  - python-urllib3: Certification mishandle when error     should be thrown (CVE-2019-11324)

  - python-requests: Redirect from HTTPS to HTTP does not     remove Authorization header (CVE-2018-18074)

The remote Redhat Enterprise Linux 7 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2020:0850 advisory.

    pip is a package management system used to install and manage software packages written in Python. Many     packages can be found in the Python Package Index (PyPI). pip is a recursive acronym that can stand for     either Pip Installs Packages or Pip Installs Python.

    Security Fix(es):

    * python-urllib3: Cross-host redirect does not remove Authorization header allow for credential exposure     (CVE-2018-20060)

    * python-urllib3: CRLF injection due to not encoding the '\r\n' sequence leading to possible attack on     internal service (CVE-2019-11236)

    * python-urllib3: Certification mishandle when error should be thrown (CVE-2019-11324)

    * python-requests: Redirect from HTTPS to HTTP does not remove Authorization header (CVE-2018-18074)

    For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and     other related information, refer to the CVE page(s) listed in the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote NewStart CGSL host, running version MAIN 6.01, has python-pip packages installed that are affected by multiple vulnerabilities:

  - The urllib3 library before 1.24.2 for Python mishandles     certain cases where the desired set of CA certificates     is different from the OS store of CA certificates, which     results in SSL connections succeeding in situations     where a verification failure is the correct outcome.
    This is related to use of the ssl_context, ca_certs, or     ca_certs_dir argument. (CVE-2019-11324)

  - In the urllib3 library through 1.24.1 for Python, CRLF     injection is possible if the attacker controls the     request parameter. (CVE-2019-11236)

  - urllib3 before version 1.23 does not remove the     Authorization HTTP header when following a cross-origin     redirect (i.e., a redirect that differs in host, port,     or scheme). This can allow for credentials in the     Authorization header to be exposed to unintended hosts     or transmitted in cleartext. (CVE-2018-20060)

  - The Requests package before 2.20.0 for Python sends an     HTTP Authorization header to an http URI upon receiving     a same-hostname https-to-http redirect, which makes it     easier for remote attackers to discover credentials by     sniffing the network. (CVE-2018-18074)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

NIST reports: (by search in the range 2018/01/01 - 2019/11/10) :

urllib3 before version 1.23 does not remove the Authorization HTTP header when following a cross-origin redirect (i.e., a redirect that differs in host, port, or scheme). This can allow for credentials in the Authorization header to be exposed to unintended hosts or transmitted in cleartext.

In the urllib3 library through 1.24.1 for Python, CRLF injection is possible if the attacker controls the request parameter.

The urllib3 library before 1.24.2 for Python mishandles certain cases where the desired set of CA certificates is different from the OS store of CA certificates, which results in SSL connections succeeding in situations where a verification failure is the correct outcome.
This is related to use of the ssl_context, ca_certs, or ca_certs_dir argument.

The remote CentOS Linux 7 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2020:0850 advisory.

  - The Requests package before 2.20.0 for Python sends an HTTP Authorization header to an http URI upon     receiving a same-hostname https-to-http redirect, which makes it easier for remote attackers to discover     credentials by sniffing the network. (CVE-2018-18074)

  - urllib3 before version 1.23 does not remove the Authorization HTTP header when following a cross-origin     redirect (i.e., a redirect that differs in host, port, or scheme). This can allow for credentials in the     Authorization header to be exposed to unintended hosts or transmitted in cleartext. (CVE-2018-20060)

  - In the urllib3 library through 1.24.1 for Python, CRLF injection is possible if the attacker controls the     request parameter. (CVE-2019-11236)

  - The urllib3 library before 1.24.2 for Python mishandles certain cases where the desired set of CA     certificates is different from the OS store of CA certificates, which results in SSL connections     succeeding in situations where a verification failure is the correct outcome. This is related to use of     the ssl_context, ca_certs, or ca_certs_dir argument. (CVE-2019-11324)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2019:3335 advisory.

    Python is an interpreted, interactive, object-oriented programming language that supports modules,     classes, exceptions, high-level dynamic data types, and dynamic typing.

    Security Fix(es):

    * numpy: crafted serialized object passed in numpy.load() in pickle python module allows arbitrary code     execution (CVE-2019-6446)

    * python: CRLF injection via the query part of the url passed to urlopen() (CVE-2019-9740)

    * python: CRLF injection via the path part of the url passed to urlopen() (CVE-2019-9947)

    * python: Undocumented local_file protocol allows remote attackers to bypass protection mechanisms     (CVE-2019-9948)

    * python-urllib3: CRLF injection due to not encoding the '\r\n' sequence leading to possible attack on     internal service (CVE-2019-11236)

    * python-urllib3: Certification mishandle when error should be thrown (CVE-2019-11324)

    For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and     other related information, refer to the CVE page(s) listed in the References section.

    Additional Changes:

    For detailed information on changes in this release, see the Red Hat Enterprise Linux 8.1 Release Notes     linked from the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote CentOS Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the CESA-2019:3335 advisory.

  - python-urllib3: CRLF injection due to not encoding the '\r\n' sequence leading to possible attack on     internal service (CVE-2019-11236)

  - python-urllib3: Certification mishandle when error should be thrown (CVE-2019-11324)

  - numpy: crafted serialized object passed in numpy.load() in pickle python module allows arbitrary code     execution (CVE-2019-6446)

  - python: CRLF injection via the query part of the url passed to urlopen() (CVE-2019-9740)

  - python: CRLF injection via the path part of the url passed to urlopen() (CVE-2019-9947)

  - python: Undocumented local_file protocol allows remote attackers to bypass protection mechanisms     (CVE-2019-9948)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

ID	名称	产品	系列	发布时间	最近更新时间	严重程度
150806	Debian DLA-2686-1 : python-urllib3 - LTS security update	Nessus	Debian Local Security Checks	2021/6/16	2025/1/24	critical
180874	Oracle Linux 8 : python27:2.7 (ELSA-2019-3335)	Nessus	Oracle Linux Local Security Checks	2023/9/7	2024/11/1	critical
184906	Rocky Linux 8 : python27:2.7 (RLSA-2019:3335)	Nessus	Rocky Linux Local Security Checks	2023/11/7	2023/11/7	critical
132621	EulerOS 2.0 SP8 : python-urllib3 (EulerOS-SA-2020-1028)	Nessus	Huawei Local Security Checks	2020/1/2	2024/4/1	high
132738	Fedora 31 : python-pip (2020-6148c44137)	Nessus	Fedora Local Security Checks	2020/1/9	2024/4/1	high
133559	Amazon Linux AMI : python-pip (ALAS-2020-1340)	Nessus	Amazon Linux Local Security Checks	2020/2/10	2024/12/11	high
150239	Photon OS 3.0: Python PHSA-2021-3.0-0246	Nessus	PhotonOS Local Security Checks	2021/6/4	2025/8/22	high
164595	Nutanix AOS : Multiple Vulnerabilities (NXSA-AOS-5.18)	Nessus	Misc.	2022/9/1	2025/9/1	critical
134649	Scientific Linux Security Update : python-pip on SL7.x (noarch) (20200317)	Nessus	Scientific Linux Local Security Checks	2020/3/18	2024/3/21	critical
134826	RHEL 7 : python-pip (RHSA-2020:0850)	Nessus	Red Hat Local Security Checks	2020/3/23	2024/11/7	critical
138769	NewStart CGSL MAIN 6.01 : python-pip Multiple Vulnerabilities (NS-SA-2020-0035)	Nessus	NewStart CGSL Local Security Checks	2020/7/21	2024/2/29	critical
131340	FreeBSD : urllib3 -- multiple vulnerabilities (87270ba5-03d3-11ea-b81f-3085a9a95629)	Nessus	FreeBSD Local Security Checks	2019/11/27	2024/4/9	critical
134903	CentOS 7 : python-pip (RHSA-2020:0850)	Nessus	CentOS Local Security Checks	2020/3/26	2024/10/9	critical
130527	RHEL 8 : python27:2.7 (RHSA-2019:3335)	Nessus	Red Hat Local Security Checks	2019/11/6	2024/11/7	critical
145618	CentOS 8 : python27:2.7 (CESA-2019:3335)	Nessus	CentOS Local Security Checks	2021/1/29	2024/1/25	critical

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