According to the versions of the httpd packages installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities :

  - A crafted URI sent to httpd configured as a forward proxy (ProxyRequests on) can cause a crash (NULL     pointer dereference) or, for configurations mixing forward and reverse proxy declarations, can allow for     requests to be directed to a declared Unix Domain Socket endpoint (Server Side Request Forgery). This     issue affects Apache HTTP Server 2.4.7 up to 2.4.51 (included). (CVE-2021-44224)

  - A carefully crafted request body can cause a buffer overflow in the mod_lua multipart parser     (r:parsebody() called from Lua scripts). The Apache httpd team is not aware of an exploit for the     vulnerability though it might be possible to craft one. This issue affects Apache HTTP Server 2.4.51 and     earlier. (CVE-2021-44790)

  - A carefully crafted request body can cause a read to a random memory area which could cause the process to     crash. This issue affects Apache HTTP Server 2.4.52 and earlier. (CVE-2022-22719)

  - Apache HTTP Server 2.4.52 and earlier fails to close inbound connection when errors are encountered     discarding the request body, exposing the server to HTTP Request Smuggling (CVE-2022-22720)

  - If LimitXMLRequestBody is set to allow request bodies larger than 350MB (defaults to 1M) on 32 bit systems     an integer overflow happens which later causes out of bounds writes. This issue affects Apache HTTP Server     2.4.52 and earlier. (CVE-2022-22721)

  - Out-of-bounds Write vulnerability in mod_sed of Apache HTTP Server allows an attacker to overwrite heap     memory with possibly attacker provided data. This issue affects Apache HTTP Server 2.4 version 2.4.52 and     prior versions. (CVE-2022-23943)

  - Inconsistent Interpretation of HTTP Requests ('HTTP Request Smuggling') vulnerability in mod_proxy_ajp of     Apache HTTP Server allows an attacker to smuggle requests to the AJP server it forwards requests to. This     issue affects Apache HTTP Server Apache HTTP Server 2.4 version 2.4.53 and prior versions.
    (CVE-2022-26377)

  - The ap_rwrite() function in Apache HTTP Server 2.4.53 and earlier may read unintended memory if an     attacker can cause the server to reflect very large input using ap_rwrite() or ap_rputs(), such as with     mod_luas r:puts() function. Modules compiled and distributed separately from Apache HTTP Server that use     the 'ap_rputs' function and may pass it a very large (INT_MAX or larger) string must be compiled against     current headers to resolve the issue. (CVE-2022-28614)

  - Apache HTTP Server 2.4.53 and earlier may crash or disclose information due to a read beyond bounds in     ap_strcmp_match() when provided with an extremely large input buffer. While no code distributed with the     server can be coerced into such a call, third-party modules or lua scripts that use ap_strcmp_match() may     hypothetically be affected. (CVE-2022-28615)

  - In Apache HTTP Server 2.4.53 and earlier, a malicious request to a lua script that calls r:parsebody(0)     may cause a denial of service due to no default limit on possible input size. (CVE-2022-29404)

  - If Apache HTTP Server 2.4.53 is configured to do transformations with mod_sed in contexts where the input     to mod_sed may be very large, mod_sed may make excessively large memory allocations and trigger an abort.
    (CVE-2022-30522)

  - Apache HTTP Server 2.4.53 and earlier may return lengths to applications calling r:wsread() that point     past the end of the storage allocated for the buffer. (CVE-2022-30556)

  - Apache HTTP Server 2.4.53 and earlier may not send the X-Forwarded-* headers to the origin server based on     client side Connection header hop-by-hop mechanism. This may be used to bypass IP based authentication on     the origin server/application. (CVE-2022-31813)

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.

The remote SUSE Linux SLES12 / SLES_SAP12 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2022:2101-1 advisory.

  - Inconsistent Interpretation of HTTP Requests ('HTTP Request Smuggling') vulnerability in mod_proxy_ajp of     Apache HTTP Server allows an attacker to smuggle requests to the AJP server it forwards requests to. This     issue affects Apache HTTP Server Apache HTTP Server 2.4 version 2.4.53 and prior versions.
    (CVE-2022-26377)

  - The ap_rwrite() function in Apache HTTP Server 2.4.53 and earlier may read unintended memory if an     attacker can cause the server to reflect very large input using ap_rwrite() or ap_rputs(), such as with     mod_luas r:puts() function. Modules compiled and distributed separately from Apache HTTP Server that use     the 'ap_rputs' function and may pass it a very large (INT_MAX or larger) string must be compiled against     current headers to resolve the issue. (CVE-2022-28614)

  - Apache HTTP Server 2.4.53 and earlier may crash or disclose information due to a read beyond bounds in     ap_strcmp_match() when provided with an extremely large input buffer. While no code distributed with the     server can be coerced into such a call, third-party modules or lua scripts that use ap_strcmp_match() may     hypothetically be affected. (CVE-2022-28615)

  - In Apache HTTP Server 2.4.53 and earlier, a malicious request to a lua script that calls r:parsebody(0)     may cause a denial of service due to no default limit on possible input size. (CVE-2022-29404)

  - If Apache HTTP Server 2.4.53 is configured to do transformations with mod_sed in contexts where the input     to mod_sed may be very large, mod_sed may make excessively large memory allocations and trigger an abort.
    (CVE-2022-30522)

  - Apache HTTP Server 2.4.53 and earlier may return lengths to applications calling r:wsread() that point     past the end of the storage allocated for the buffer. (CVE-2022-30556)

  - Apache HTTP Server 2.4.53 and earlier may not send the X-Forwarded-* headers to the origin server based on     client side Connection header hop-by-hop mechanism. This may be used to bypass IP based authentication on     the origin server/application. (CVE-2022-31813)

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 SLES12 / SLES_SAP12 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2022:2099-1 advisory.

  - Inconsistent Interpretation of HTTP Requests ('HTTP Request Smuggling') vulnerability in mod_proxy_ajp of     Apache HTTP Server allows an attacker to smuggle requests to the AJP server it forwards requests to. This     issue affects Apache HTTP Server Apache HTTP Server 2.4 version 2.4.53 and prior versions.
    (CVE-2022-26377)

  - The ap_rwrite() function in Apache HTTP Server 2.4.53 and earlier may read unintended memory if an     attacker can cause the server to reflect very large input using ap_rwrite() or ap_rputs(), such as with     mod_luas r:puts() function. Modules compiled and distributed separately from Apache HTTP Server that use     the 'ap_rputs' function and may pass it a very large (INT_MAX or larger) string must be compiled against     current headers to resolve the issue. (CVE-2022-28614)

  - Apache HTTP Server 2.4.53 and earlier may crash or disclose information due to a read beyond bounds in     ap_strcmp_match() when provided with an extremely large input buffer. While no code distributed with the     server can be coerced into such a call, third-party modules or lua scripts that use ap_strcmp_match() may     hypothetically be affected. (CVE-2022-28615)

  - In Apache HTTP Server 2.4.53 and earlier, a malicious request to a lua script that calls r:parsebody(0)     may cause a denial of service due to no default limit on possible input size. (CVE-2022-29404)

  - If Apache HTTP Server 2.4.53 is configured to do transformations with mod_sed in contexts where the input     to mod_sed may be very large, mod_sed may make excessively large memory allocations and trigger an abort.
    (CVE-2022-30522)

  - Apache HTTP Server 2.4.53 and earlier may return lengths to applications calling r:wsread() that point     past the end of the storage allocated for the buffer. (CVE-2022-30556)

  - Apache HTTP Server 2.4.53 and earlier may not send the X-Forwarded-* headers to the origin server based on     client side Connection header hop-by-hop mechanism. This may be used to bypass IP based authentication on     the origin server/application. (CVE-2022-31813)

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

The remote Ubuntu 16.04 ESM / 18.04 LTS / 20.04 LTS / 22.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-5487-1 advisory.

    It was discovered that Apache HTTP Server mod_proxy_ajp incorrectly handled certain crafted request. A     remote attacker could possibly use this issue to perform an HTTP Request Smuggling attack.
    (CVE-2022-26377)

    It was discovered that Apache HTTP Server incorrectly handled certain request. An attacker could possibly     use this issue to cause a denial of service. (CVE-2022-28614)

    It was discovered that Apache HTTP Server incorrectly handled certain request. An attacker could possibly     use this issue to cause a crash or expose sensitive information. (CVE-2022-28615)

    It was discovered that Apache HTTP Server incorrectly handled certain request. An attacker could possibly     use this issue to cause a denial of service. (CVE-2022-29404)

    It was discovered that Apache HTTP Server incorrectly handled certain request. An attacker could possibly     use this issue to cause a crash. (CVE-2022-30522)

    It was discovered that Apache HTTP Server incorrectly handled certain request. An attacker could possibly     use this issue to execute arbitrary code or cause a crash. (CVE-2022-30556)

    It was discovered that Apache HTTP Server incorrectly handled certain request. An attacker could possibly     use this issue to bypass IP based authentication. (CVE-2022-31813)

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 Ubuntu 16.04 ESM / 18.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-5487-3 advisory.

    USN-5487-1 fixed several vulnerabilities in Apache HTTP Server. Unfortunately it caused regressions.
    USN-5487-2 reverted the patches that caused the regression in Ubuntu 14.04 ESM for further investigation.
    This update re-adds the security fixes for Ubuntu 14.04 ESM and fixes two different regressions: one     affecting mod_proxy only in Ubuntu 14.04 ESM and another in mod_sed affecting also Ubuntu 16.04 ESM and     Ubuntu 18.04 LTS.

    We apologize for the inconvenience.



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.

According to the versions of the httpd packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities :

  - Inconsistent Interpretation of HTTP Requests ('HTTP Request Smuggling') vulnerability in mod_proxy_ajp of     Apache HTTP Server allows an attacker to smuggle requests to the AJP server it forwards requests to. This     issue affects Apache HTTP Server Apache HTTP Server 2.4 version 2.4.53 and prior versions.
    (CVE-2022-26377)

  - The ap_rwrite() function in Apache HTTP Server 2.4.53 and earlier may read unintended memory if an     attacker can cause the server to reflect very large input using ap_rwrite() or ap_rputs(), such as with     mod_luas r:puts() function. Modules compiled and distributed separately from Apache HTTP Server that use     the 'ap_rputs' function and may pass it a very large (INT_MAX or larger) string must be compiled against     current headers to resolve the issue. (CVE-2022-28614)

  - Apache HTTP Server 2.4.53 and earlier may crash or disclose information due to a read beyond bounds in     ap_strcmp_match() when provided with an extremely large input buffer. While no code distributed with the     server can be coerced into such a call, third-party modules or lua scripts that use ap_strcmp_match() may     hypothetically be affected. (CVE-2022-28615)

  - In Apache HTTP Server 2.4.53 and earlier, a malicious request to a lua script that calls r:parsebody(0)     may cause a denial of service due to no default limit on possible input size. (CVE-2022-29404)

  - If Apache HTTP Server 2.4.53 is configured to do transformations with mod_sed in contexts where the input     to mod_sed may be very large, mod_sed may make excessively large memory allocations and trigger an abort.
    (CVE-2022-30522)

  - Apache HTTP Server 2.4.53 and earlier may return lengths to applications calling r:wsread() that point     past the end of the storage allocated for the buffer. (CVE-2022-30556)

  - Apache HTTP Server 2.4.53 and earlier may not send the X-Forwarded-* headers to the origin server based on     client side Connection header hop-by-hop mechanism. This may be used to bypass IP based authentication on     the origin server/application. (CVE-2022-31813)

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.

The remote Redhat Enterprise Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2022:6753 advisory.

    The httpd packages provide the Apache HTTP Server, a powerful, efficient, and extensible web server.

    Security Fix(es):

    * httpd: mod_sed: Read/write beyond bounds (CVE-2022-23943)

    * httpd: Request splitting via HTTP/2 method injection and mod_proxy (CVE-2021-33193)

    * httpd: NULL pointer dereference via malformed requests (CVE-2021-34798)

    * httpd: mod_proxy_uwsgi: out-of-bounds read via a crafted request uri-path (CVE-2021-36160)

    * httpd: Out-of-bounds write in ap_escape_quotes() via malicious input (CVE-2021-39275)

    * httpd: possible NULL dereference or SSRF in forward proxy configurations (CVE-2021-44224)

    * httpd: mod_lua: Use of uninitialized value of in r:parsebody (CVE-2022-22719)

    * httpd: core: Possible buffer overflow with very large or unlimited LimitXMLRequestBody (CVE-2022-22721)

    * httpd: mod_proxy_ajp: Possible request smuggling (CVE-2022-26377)

    * httpd: mod_lua: DoS in r:parsebody (CVE-2022-29404)

    * httpd: mod_sed: DoS vulnerability (CVE-2022-30522)

    * httpd: mod_proxy: X-Forwarded-For dropped by hop-by-hop mechanism (CVE-2022-31813)

    * httpd: out-of-bounds read via ap_rwrite() (CVE-2022-28614)

    * httpd: out-of-bounds read in ap_strcmp_match() (CVE-2022-28615)

    * httpd: mod_lua: Information disclosure with websockets (CVE-2022-30556)

    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):

    * proxy rewrite to unix socket fails with CVE-2021-40438 fix (BZ#2022319)

    Additional changes:

    * To fix CVE-2022-29404, the default value for the LimitRequestBody directive in the Apache HTTP Server     has been changed from 0 (unlimited) to 1 GiB.

    On systems where the value of LimitRequestBody is not explicitly specified in an httpd configuration     file, updating the httpd package sets LimitRequestBody to the default value of 1 GiB. As a consequence,     if the total size of the HTTP request body exceeds this 1 GiB default limit, httpd returns the 413 Request     Entity Too Large error code.

    If the new default allowed size of an HTTP request message body is insufficient for your use case, update     your httpd configuration files within the respective context (server, per-directory, per-file, or per-     location) and set your preferred limit in bytes. For example, to set a new 2 GiB limit, use:

    LimitRequestBody 2147483648

    Systems already configured to use any explicit value for the LimitRequestBody directive are unaffected     by this change.

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 Oracle Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2022-7647 advisory.

    - Resolves: #2097015 - CVE-2022-28614 httpd:2.4/httpd: out-of-bounds read via       ap_rwrite()
    - Resolves: #2097031 - CVE-2022-28615 httpd:2.4/httpd: out-of-bounds read in       ap_strcmp_match()
    - Resolves: #2097458 - CVE-2022-30522 httpd:2.4/httpd: mod_sed: DoS       vulnerability
    - Resolves: #2097480 - CVE-2022-30556 httpd:2.4/httpd: mod_lua: Information       disclosure with websockets
    - Resolves: #2098247 - CVE-2022-31813 httpd:2.4/httpd: mod_proxy:
      X-Forwarded-For dropped by hop-by-hop mechanism
    - Resolves: #2097451 - CVE-2022-29404 httpd:2.4/httpd: mod_lua: DoS in       r:parsebody
    - Resolves: #2096997 - CVE-2022-26377 httpd:2.4/httpd: mod_proxy_ajp: Possible       request smuggling
    - Resolves: #2065237 - CVE-2022-22719 httpd:2.4/httpd: mod_lua: Use of       uninitialized value of in r:parsebody
    - Resolves: #2065267 - CVE-2022-22721 httpd:2.4/httpd: core: Possible buffer       overflow with very large or unlimited LimitXMLRequestBody
    - Resolves: #2065324 - CVE-2022-23943 httpd:2.4/httpd: mod_sed: Read/write       beyond bounds
    - Resolves: #2090848 - CVE-2020-13950 httpd:2.4/httpd: mod_proxy NULL pointer       dereference
    - Resolves: #2065249 - CVE-2022-22720 httpd:2.4/httpd: HTTP request smuggling       vulnerability in Apache HTTP Server 2.4.52 and earlier

    mod_http2
    - Resolves: #2035030 - CVE-2021-44224 httpd:2.4/httpd: possible NULL dereference       or SSRF in forward proxy configurations

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.

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-000182 advisory.

    The ap_rwrite() function in Apache HTTP Server 2.4.53 and earlier may read unintended memory if an     attacker can cause the server to reflect very large input using ap_rwrite() or ap_rputs(), such as with     mod_luas r:puts() function. Modules compiled and distributed separately from Apache HTTP Server that use     the 'ap_rputs' function and may pass it a very large (INT_MAX or larger) string must be compiled against     current headers to resolve the issue.

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

Note that Nessus has not tested for this issue 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
165955	EulerOS Virtualization 3.0.6.0 : httpd (EulerOS-SA-2022-2564)	Nessus	Huawei Local Security Checks	2022/10/10	2023/10/10	critical
162387	SUSE SLES12 Security Update : apache2 (SUSE-SU-2022:2101-1)	Nessus	SuSE Local Security Checks	2022/6/17	2023/7/13	critical
162388	SUSE SLES12 Security Update : apache2 (SUSE-SU-2022:2099-1)	Nessus	SuSE Local Security Checks	2022/6/17	2023/7/13	critical
162425	Ubuntu 16.04 ESM / 18.04 LTS / 20.04 LTS / 22.04 LTS : Apache HTTP Server vulnerabilities (USN-5487-1)	Nessus	Ubuntu Local Security Checks	2022/6/21	2024/8/27	critical
162515	Ubuntu 16.04 ESM / 18.04 LTS : Apache HTTP Server regression (USN-5487-3)	Nessus	Ubuntu Local Security Checks	2022/6/23	2024/10/29	critical
164191	EulerOS 2.0 SP10 : httpd (EulerOS-SA-2022-2243)	Nessus	Huawei Local Security Checks	2022/8/17	2023/10/13	critical
165553	RHEL 7 : httpd24-httpd (RHSA-2022:6753)	Nessus	Red Hat Local Security Checks	2022/9/29	2024/11/7	critical
167529	Oracle Linux 8 : httpd:2.4 (ELSA-2022-7647)	Nessus	Oracle Linux Local Security Checks	2022/11/15	2024/11/1	critical
281983	Unity Linux 20.1050e / 20.1060e / 20.1070-8ae / 20.1070e Security Update: httpd (UTSA-2026-000182)	Nessus	Unity Linux Local Security Checks	2026/1/7	2026/9/22	medium

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