This update for python fixes the following issues :

  - bsc#1177211 (CVE-2020-26116) no longer allowing special     characters in the method parameter of     HTTPConnection.putrequest in httplib, stopping injection     of headers.

This update was imported from the SUSE:SLE-15:Update update project.

Multiple security issues were discovered in Python.

CVE-2019-20907

In Lib/tarfile.py, an attacker is able to craft a TAR archive leading to an infinite loop when opened by tarfile.open, because _proc_pax lacks header validation

CVE-2020-26116

http.client allows CRLF injection if the attacker controls the HTTP request method

For Debian 9 stretch, these problems have been fixed in version 3.5.3-1+deb9u3.

We recommend that you upgrade your python3.5 packages.

For the detailed security status of python3.5 please refer to its security tracker page at:
https://security-tracker.debian.org/tracker/python3.5

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

The remote Scientific Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the SLSA-2022:5235-1 advisory.

  - python: CRLF injection via HTTP request method in httplib/http.client (CVE-2020-26116)

  - python-urllib3: CRLF injection via HTTP request method (CVE-2020-26137)

  - python: Stack-based buffer overflow in PyCArg_repr in _ctypes/callproc.c (CVE-2021-3177)

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 CORE 5.05 / MAIN 5.05, has python packages installed that are affected by multiple vulnerabilities:

  - http.client in Python 3.x before 3.5.10, 3.6.x before 3.6.12, 3.7.x before 3.7.9, and 3.8.x before 3.8.5     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 HTTPConnection.request. (CVE-2020-26116)

  - urllib3 before 1.25.9 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(). NOTE: this     is similar to CVE-2020-26116. (CVE-2020-26137)

  - Python 3.x through 3.9.1 has a buffer overflow in PyCArg_repr in _ctypes/callproc.c, which may lead to     remote code execution in certain Python applications that accept floating-point numbers as untrusted     input, as demonstrated by a 1e300 argument to c_double.from_param. This occurs because sprintf is used     unsafely. (CVE-2021-3177)

  - A flaw was found in Python, specifically within the urllib.parse module. This module helps break Uniform     Resource Locator (URL) strings into components. The issue involves how the urlparse method does not     sanitize input and allows characters like '\r' and '\n' in the URL path. This flaw allows an attacker to     input a crafted URL, leading to injection attacks. This flaw affects Python versions prior to 3.10.0b1,     3.9.5, 3.8.11, 3.7.11 and 3.6.14. (CVE-2022-0391)

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 6 / 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2020:4285 advisory.

    Python is an interpreted, interactive, object-oriented programming language, which includes modules,     classes, exceptions, very high level dynamic data types and dynamic typing. Python supports interfaces to     many system calls and libraries, as well as to various windowing systems.

    The following packages have been upgraded to a later upstream version: rh-python36-python (3.6.12).
    (BZ#1873080)

    Security Fix(es):

    * python: XSS vulnerability in the documentation XML-RPC server in server_title field (CVE-2019-16935)

    * python: CRLF injection via the host part of the url passed to urlopen() (CVE-2019-18348)

    * python: infinite loop in the tarfile module via crafted TAR archive (CVE-2019-20907)

    * python-pip: directory traversal in _download_http_url() function in src/pip/_internal/download.py     (CVE-2019-20916)

    * python: wrong backtracking in urllib.request.AbstractBasicAuthHandler allows for a ReDoS (CVE-2020-8492)

    * python: DoS via inefficiency in IPv{4,6}Interface classes (CVE-2020-14422)

    * python: CRLF injection via HTTP request method in httplib/http.client (CVE-2020-26116)

    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.

    Bug Fix(es):

    * rh-python36-python-pip: Contains multiple bundled libraries, and has no bundled() provides (BZ#1774951)

    * Allow rh-python36-python-pip to use system CA certificate Trust (BZ#1826520)

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-2021:1761 advisory.

  - python: CRLF injection via HTTP request method in httplib/http.client (CVE-2020-26116)

  - python-urllib3: CRLF injection via HTTP request method (CVE-2020-26137)

  - python-lxml: mXSS due to the use of improper parser (CVE-2020-27783)

  - python: Stack-based buffer overflow in PyCArg_repr in _ctypes/callproc.c (CVE-2021-3177)

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

The version of AHV installed on the remote host is prior to 20230302.102005. It is, therefore, affected by multiple vulnerabilities as referenced in the NXSA-AHV-20230302.207 advisory.

  - In Expat (aka libexpat) before 2.4.3, a left shift by 29 (or more) places in the storeAtts function in     xmlparse.c can lead to realloc misbehavior (e.g., allocating too few bytes, or only freeing memory).
    (CVE-2021-45960)

  - The PKCS#11 feature in ssh-agent in OpenSSH before 9.3p2 has an insufficiently trustworthy search path,     leading to remote code execution if an agent is forwarded to an attacker-controlled system. (Code in     /usr/lib is not necessarily safe for loading into ssh-agent.) NOTE: this issue exists because of an     incomplete fix for CVE-2016-10009. (CVE-2023-38408)

  - An arbitrary file write vulnerability was found in GNU gzip's zgrep utility. When zgrep is applied on the     attacker's chosen file name (for example, a crafted file name), this can overwrite an attacker's content     to an arbitrary attacker-selected file. This flaw occurs due to insufficient validation when processing     filenames with two or more newlines where selected content and the target file names are embedded in     crafted multi-line file names. This flaw allows a remote, low privileged attacker to force zgrep to write     arbitrary files on the system. (CVE-2022-1271)

  - http.client in Python 3.x before 3.5.10, 3.6.x before 3.6.12, 3.7.x before 3.7.9, and 3.8.x before 3.8.5     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 HTTPConnection.request. (CVE-2020-26116)

  - urllib3 before 1.25.9 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(). NOTE: this     is similar to CVE-2020-26116. (CVE-2020-26137)

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
142630	openSUSE Security Update : python (openSUSE-2020-1859)	Nessus	SuSE Local Security Checks	2020/11/9	2024/2/9	high
143104	Debian DLA-2456-1 : python3.5 security update	Nessus	Debian Local Security Checks	2020/11/19	2024/2/8	high
162595	Scientific Linux Security Update : python on SL7.x i686/x86_64 (2022:5235)	Nessus	Scientific Linux Local Security Checks	2022/6/29	2023/10/19	critical
174086	NewStart CGSL CORE 5.05 / MAIN 5.05 : python Multiple Vulnerabilities (NS-SA-2023-0008)	Nessus	NewStart CGSL Local Security Checks	2023/4/11	2023/12/27	critical
170302	RHEL 6 / 7 : rh-python36 (RHSA-2020:4285)	Nessus	Red Hat Local Security Checks	2023/1/23	2024/11/7	high
149749	CentOS 8 : python27:2.7 (CESA-2021:1761)	Nessus	CentOS Local Security Checks	2021/5/19	2023/12/29	critical
180469	Nutanix AHV : Multiple Vulnerabilities (NXSA-AHV-20230302.207)	Nessus	Misc.	2023/9/4	2025/2/17	low
167224	Nutanix AOS : Multiple Vulnerabilities (NXSA-AOS-5.20.5)	Nessus	Misc.	2022/11/9	2024/6/7	critical

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