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Debian dla-4181 : glibc-doc - security update

high Nessus Plugin ID 237337

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Synopsis

The remote Debian host is missing a security-related update.

Description

The remote Debian 11 host has packages installed that are affected by a vulnerability as referenced in the dla-4181 advisory.

 ------------------------------------------------------------------------- Debian LTS Advisory DLA-4181-1 [email protected] https://www.debian.org/lts/security/ Sean Whitton May 27, 2025 https://wiki.debian.org/LTS
 -------------------------------------------------------------------------

 Package : glibc Version : 2.31-13+deb11u13 CVE ID : CVE-2025-4802

 A flaw was discovered in the dynamic linking support in the GNU C Library, the C standard library implementation used by Debian.

 Privilege escalation may be possible in statically compiled setuid binaries that call dlopen(), due to an untrusted LD_LIBRARY_PATH environment variable vulnerability. This includes calls to dlopen() internal to glibc itself, made after user calls to setlocale() or to NSS functions such as getaddrinfo().

 For Debian 11 bullseye, this problem has been fixed in version 2.31-13+deb11u13.

 We recommend that you upgrade your glibc packages.

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

 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 Attachment:
 signature.asc Description: PGP signature

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

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

Solution

Upgrade the glibc-doc packages.

See Also

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

https://security-tracker.debian.org/tracker/CVE-2025-4802

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

Plugin Details

Severity: High

ID: 237337

File Name: debian_DLA-4181.nasl

Version: 1.1

Type: local

Agent: unix

Published: 5/27/2025

Updated: 5/27/2025

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

Risk Information

VPR

Risk Factor: High

Score: 7.4

CVSS v2

Risk Factor: Critical

Base Score: 10

Temporal Score: 7.4

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

CVSS Score Source: CVE-2025-4802

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 6.8

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

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

Vulnerability Information

CPE: p-cpe:/a:debian:debian_linux:glibc-source, p-cpe:/a:debian:debian_linux:libc6-x32, cpe:/o:debian:debian_linux:11.0, p-cpe:/a:debian:debian_linux:glibc-doc, p-cpe:/a:debian:debian_linux:libc6-xen, p-cpe:/a:debian:debian_linux:libc6-dev-x32, p-cpe:/a:debian:debian_linux:libc6-i386, p-cpe:/a:debian:debian_linux:libc-dev-bin, p-cpe:/a:debian:debian_linux:libc6-udeb, p-cpe:/a:debian:debian_linux:libc6-amd64, p-cpe:/a:debian:debian_linux:libc-l10n, p-cpe:/a:debian:debian_linux:libc6-dev-amd64, p-cpe:/a:debian:debian_linux:libc-devtools, p-cpe:/a:debian:debian_linux:locales-all, p-cpe:/a:debian:debian_linux:nscd, p-cpe:/a:debian:debian_linux:libc6-dev-i386, p-cpe:/a:debian:debian_linux:locales, p-cpe:/a:debian:debian_linux:libc-bin, p-cpe:/a:debian:debian_linux:libc6, p-cpe:/a:debian:debian_linux:libc6-dbg, p-cpe:/a:debian:debian_linux:libc6-dev

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

Exploit Ease: No known exploits are available

Patch Publication Date: 5/27/2025

Vulnerability Publication Date: 1/23/2025

Reference Information

CVE: CVE-2025-4802

IAVA: 2025-A-0062