Debian dla-3540 : mediawiki - security update

critical Nessus Plugin ID 180100

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Synopsis

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

Description

The remote Debian 10 host has packages installed that are affected by a vulnerability as referenced in the dla-3540 advisory.

------------------------------------------------------------------------- Debian LTS Advisory DLA-3540-1 [email protected] https://www.debian.org/lts/security/ Markus Koschany August 23, 2023 https://wiki.debian.org/LTS
-------------------------------------------------------------------------

Package : mediawiki Version : 1:1.31.16-1+deb10u6 CVE ID : CVE-2023-29141

An auto-block can occur for an untrusted X-Forwarded-For header in MediaWiki, a website engine for collaborative work.

X-Forwarded-For is not necessarily trustworthy and can specify multiple IP addresses in a single header, all of which are checked for blocks. When a user is autoblocked, the wiki will create an IP block behind-the-scenes for that user without exposing the user's IP on-wiki. However, spoofing XFF would let an attacker guess at the IPs of users who have active autoblocks, since the block message includes the username of the original block target.

For Debian 10 buster, this problem has been fixed in version 1:1.31.16-1+deb10u6.

We recommend that you upgrade your mediawiki packages.

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

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: This is a digitally signed message part

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 mediawiki packages.

Plugin Details

Severity: Critical

ID: 180100

File Name: debian_DLA-3540.nasl

Version: 1.1

Type: local

Agent: unix

Family: Debian Local Security Checks

Published: 8/23/2023

Updated: 1/22/2025

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

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

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-2023-29141

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.5

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

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

Vulnerability Information

CPE: cpe:/o:debian:debian_linux:10.0, p-cpe:/a:debian:debian_linux:mediawiki-classes, p-cpe:/a:debian:debian_linux:mediawiki

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

Exploit Ease: No known exploits are available

Patch Publication Date: 8/23/2023

Vulnerability Publication Date: 3/31/2023

Reference Information

CVE: CVE-2023-29141

Detections

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