The remote Ubuntu 16.04 ESM host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-4994-2 advisory.

    USN-4994-1 fixed several vulnerabilities in Apache. This update provides the corresponding update for     Ubuntu 14.04 ESM and Ubuntu 16.04 ESM.



Tenable has extracted the preceding description block directly from the Ubuntu 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 SUSE Linux SLED15 / SLES15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2021:2127-1 advisory.

  - Apache HTTP Server versions 2.4.41 to 2.4.46 mod_proxy_http can be made to crash (NULL pointer     dereference) with specially crafted requests using both Content-Length and Transfer-Encoding headers,     leading to a Denial of Service (CVE-2020-13950)

  - Apache HTTP Server versions 2.4.0 to 2.4.46 A specially crafted Digest nonce can cause a stack overflow in     mod_auth_digest. There is no report of this overflow being exploitable, nor the Apache HTTP Server team     could create one, though some particular compiler and/or compilation option might make it possible, with     limited consequences anyway due to the size (a single byte) and the value (zero byte) of the overflow     (CVE-2020-35452)

  - Apache HTTP Server versions 2.4.0 to 2.4.46 A specially crafted Cookie header handled by mod_session can     cause a NULL pointer dereference and crash, leading to a possible Denial Of Service (CVE-2021-26690)

  - In Apache HTTP Server versions 2.4.0 to 2.4.46 a specially crafted SessionHeader sent by an origin server     could cause a heap overflow (CVE-2021-26691)

  - Apache HTTP Server versions 2.4.39 to 2.4.46 Unexpected matching behavior with 'MergeSlashes OFF'     (CVE-2021-30641)

  - Apache HTTP Server protocol handler for the HTTP/2 protocol checks received request headers against the     size limitations as configured for the server and used for the HTTP/1 protocol as well. On violation of     these restrictions and HTTP response is sent to the client with a status code indicating why the request     was rejected. This rejection response was not fully initialised in the HTTP/2 protocol handler if the     offending header was the very first one received or appeared in a a footer. This led to a NULL pointer     dereference on initialised memory, crashing reliably the child process. Since such a triggering HTTP/2     request is easy to craft and submit, this can be exploited to DoS the server. This issue affected     mod_http2 1.15.17 and Apache HTTP Server version 2.4.47 only. Apache HTTP Server 2.4.47 was never     released. (CVE-2021-31618)

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

The version of httpd24 installed on the remote host is prior to 2.4.48-1.92. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS-2021-1514 advisory.

    A flaw was found in Apache httpd. The mod_proxy_wstunnel module tunnels non-upgraded connections.
    (CVE-2019-17567)

    A flaw was found in HTTPd. In some Apache HTTP Server versions, unprivileged local users can stop HTTPd on     Windows. The highest threat from this vulnerability is to system availability. (CVE-2020-13938)

    A flaw was found In Apache httpd. The mod_proxy has a NULL pointer dereference. The highest threat from     this vulnerability is to data confidentiality and integrity as well as system availability.
    (CVE-2020-13950)

    A flaw was found in Apache httpd. The mod_auth_digest has a single zero byte stack overflow. The highest     threat from this vulnerability is to data confidentiality and integrity as well as system availability.
    (CVE-2020-35452)

    A NULL pointer dereference was found in Apache httpd mod_session. The highest threat from this     vulnerability is to system availability. (CVE-2021-26690)

    A heap overflow flaw was found In Apache httpd mod_session. The highest threat from this vulnerability is     to system availability. (CVE-2021-26691)

    A flaw was found in Apache httpd. A possible regression from an earlier security fix broke behavior of     MergeSlashes. The highest threat from this vulnerability is to data integrity. (CVE-2021-30641)

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.

The remote SUSE Linux SLED12 / SLES12 / SLES_SAP12 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2021:2006-1 advisory.

  - Apache HTTP Server versions 2.4.0 to 2.4.46 A specially crafted Digest nonce can cause a stack overflow in     mod_auth_digest. There is no report of this overflow being exploitable, nor the Apache HTTP Server team     could create one, though some particular compiler and/or compilation option might make it possible, with     limited consequences anyway due to the size (a single byte) and the value (zero byte) of the overflow     (CVE-2020-35452)

  - Apache HTTP Server versions 2.4.0 to 2.4.46 A specially crafted Cookie header handled by mod_session can     cause a NULL pointer dereference and crash, leading to a possible Denial Of Service (CVE-2021-26690)

  - In Apache HTTP Server versions 2.4.0 to 2.4.46 a specially crafted SessionHeader sent by an origin server     could cause a heap overflow (CVE-2021-26691)

  - Apache HTTP Server versions 2.4.39 to 2.4.46 Unexpected matching behavior with 'MergeSlashes OFF'     (CVE-2021-30641)

  - Apache HTTP Server protocol handler for the HTTP/2 protocol checks received request headers against the     size limitations as configured for the server and used for the HTTP/1 protocol as well. On violation of     these restrictions and HTTP response is sent to the client with a status code indicating why the request     was rejected. This rejection response was not fully initialised in the HTTP/2 protocol handler if the     offending header was the very first one received or appeared in a a footer. This led to a NULL pointer     dereference on initialised memory, crashing reliably the child process. Since such a triggering HTTP/2     request is easy to craft and submit, this can be exploited to DoS the server. This issue affected     mod_http2 1.15.17 and Apache HTTP Server version 2.4.47 only. Apache HTTP Server 2.4.47 was never     released. (CVE-2021-31618)

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-2021-4257 advisory.

    - Add checks on the configured UDS path [Orabug: 33412270][CVE-2021-40438]
    - Resolves: #1972500 - CVE-2021-30641 httpd:2.4/httpd: MergeSlashes regression
    - Resolves: #1968307 - CVE-2021-26690 httpd:2.4/httpd: mod_session NULL pointer       dereference in parser
    - Resolves: #1869077 - CVE-2020-11993 httpd:2.4/mod_http2: httpd:
      mod_http2 concurrent pool usage

    mod_md

Tenable has extracted the preceding description block directly from the Oracle 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.

ID	名称	产品	系列	发布时间	最近更新时间	严重程度
150942	Ubuntu 16.04 ESM : Apache HTTP Server vulnerabilities (USN-4994-2)	Nessus	Ubuntu Local Security Checks	2021/6/21	2024/10/29	critical
151095	SUSE SLED15 / SLES15 Security Update : apache2 (SUSE-SU-2021:2127-1)	Nessus	SuSE Local Security Checks	2021/6/28	2023/7/13	critical
151522	Amazon Linux AMI : httpd24 (ALAS-2021-1514)	Nessus	Amazon Linux Local Security Checks	2021/7/13	2024/12/11	critical
150877	SUSE SLED12 / SLES12 Security Update : apache2 (SUSE-SU-2021:2006-1)	Nessus	SuSE Local Security Checks	2021/6/21	2023/7/13	critical
155428	Oracle Linux 8 : httpd:2.4 (ELSA-2021-4257)	Nessus	Oracle Linux Local Security Checks	2021/11/17	2024/11/1	medium

检测

插件搜索

critical

critical

critical

critical

medium