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Debian dla-4091 : libnginx-mod-http-auth-pam - security update

medium Nessus Plugin ID 233322

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Synopsis

The remote Debian host is missing one or more security-related updates.

Description

The remote Debian 11 host has packages installed that are affected by multiple vulnerabilities as referenced in the dla-4091 advisory.

 - ------------------------------------------------------------------------- Debian LTS Advisory DLA-4091-1 [email protected] https://www.debian.org/lts/security/ Andrej Shadura March 25, 2025 https://wiki.debian.org/LTS
 - -------------------------------------------------------------------------

 Package : nginx Version : 1.18.0-6.1+deb11u4 CVE ID : CVE-2024-7347 CVE-2025-23419

 This upload fixes two security issues in the version of nginx shipped in bullseye.

 CVE-2024-7347

 Nginx has a vulnerability in the ngx_http_mp4_module, which might allow an attacker to over-read nginx worker memory resulting in its termination using a specially crafted mp4 file. The issue only affects nginx if it is built with the ngx_http_mp4_module and the mp4 directive is used in the configuration file. Additionally, the attack is possible only if an attacker can trigger the processing of a specially crafted mp4 file with the ngx_http_mp4_module.

 CVE-2025-23419

 When multiple server blocks are configured to share the same IP address and port, an attacker can use session resumption to bypass client certificate authentication requirements on these servers. This vulnerability arises when TLS Session Tickets are used and/or the SSL session cache are used in the default server and the default server is performing client certificate authentication.
 This issue did not affect ngx_stream_ssl_module in bullseye since the stream virtual servers funcionality was added in a later release.

 For Debian 11 bullseye, these problems have been fixed in version 1.18.0-6.1+deb11u4.

 We recommend that you upgrade your nginx packages.

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

 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.

Solution

Upgrade the libnginx-mod-http-auth-pam packages.

See Also

https://security-tracker.debian.org/tracker/source-package/nginx

https://security-tracker.debian.org/tracker/CVE-2024-7347

https://security-tracker.debian.org/tracker/CVE-2025-23419

https://packages.debian.org/source/bullseye/nginx

Plugin Details

Severity: Medium

ID: 233322

File Name: debian_DLA-4091.nasl

Version: 1.1

Type: local

Agent: unix

Published: 3/25/2025

Updated: 3/25/2025

Supported Sensors: Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Medium

Base Score: 4

Temporal Score: 3

Vector: CVSS2#AV:L/AC:H/Au:N/C:N/I:N/A:C

CVSS Score Source: CVE-2024-7347

CVSS v3

Risk Factor: Medium

Base Score: 4.7

Temporal Score: 4.1

Vector: CVSS:3.0/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

CVSS v4

Risk Factor: Medium

Base Score: 5.7

Threat Score: 1.9

Threat Vector: CVSS:4.0/E:U

Vector: CVSS:4.0/AV:L/AC:H/AT:P/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

Vulnerability Information

CPE: p-cpe:/a:debian:debian_linux:libnginx-mod-http-xslt-filter, cpe:/o:debian:debian_linux:11.0, p-cpe:/a:debian:debian_linux:libnginx-mod-http-upstream-fair, p-cpe:/a:debian:debian_linux:nginx-light, p-cpe:/a:debian:debian_linux:libnginx-mod-http-auth-pam, p-cpe:/a:debian:debian_linux:libnginx-mod-http-ndk, p-cpe:/a:debian:debian_linux:nginx-doc, p-cpe:/a:debian:debian_linux:nginx-extras, p-cpe:/a:debian:debian_linux:libnginx-mod-http-subs-filter, p-cpe:/a:debian:debian_linux:libnginx-mod-http-uploadprogress, p-cpe:/a:debian:debian_linux:libnginx-mod-http-perl, p-cpe:/a:debian:debian_linux:libnginx-mod-stream-geoip2, p-cpe:/a:debian:debian_linux:libnginx-mod-http-fancyindex, p-cpe:/a:debian:debian_linux:libnginx-mod-http-lua, p-cpe:/a:debian:debian_linux:libnginx-mod-mail, p-cpe:/a:debian:debian_linux:libnginx-mod-stream, p-cpe:/a:debian:debian_linux:nginx-core, p-cpe:/a:debian:debian_linux:nginx-full, p-cpe:/a:debian:debian_linux:libnginx-mod-stream-geoip, p-cpe:/a:debian:debian_linux:libnginx-mod-http-cache-purge, p-cpe:/a:debian:debian_linux:libnginx-mod-http-echo, p-cpe:/a:debian:debian_linux:libnginx-mod-http-headers-more-filter, p-cpe:/a:debian:debian_linux:libnginx-mod-nchan, p-cpe:/a:debian:debian_linux:nginx-common, p-cpe:/a:debian:debian_linux:libnginx-mod-http-image-filter, p-cpe:/a:debian:debian_linux:libnginx-mod-http-geoip, p-cpe:/a:debian:debian_linux:libnginx-mod-http-geoip2, p-cpe:/a:debian:debian_linux:nginx, p-cpe:/a:debian:debian_linux:libnginx-mod-http-dav-ext, p-cpe:/a:debian:debian_linux:libnginx-mod-rtmp

Required KB Items: Host/local_checks_enabled, Host/Debian/release, Host/Debian/dpkg-l

Exploit Ease: No known exploits are available

Patch Publication Date: 3/25/2025

Vulnerability Publication Date: 8/14/2024

Reference Information

CVE: CVE-2024-7347, CVE-2025-23419

IAVA: 2025-A-0086