Information disclosure in MediaWiki - CVE-2023-29141

 

Information disclosure in MediaWiki - CVE-2023-29141

Published: March 31, 2023 / Updated: July 6, 2023


Vulnerability identifier: #VU74228
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2023-29141
CWE-ID: CWE-200
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to way application handles the X-Forwarded-For header. A remote attacker can use the X-Forwarded-For header to brute-force the autoblocked IP addresses.


Affected software

MediaWiki
Debian Linux
Fedora
mediawiki (Debian package)
mediawiki

How to mitigate CVE-2023-29141

Install updates from vendor's website.

MediaWiki - addressed in versions 1.35.10, 1.38.6, 1.39.3
mediawiki (Debian package) - addressed in versions 1:1.35.11-1~deb11u1, 1:1.39.4-1~deb12u1
mediawiki - addressed in versions 1.38.6-1.fc37, 1.39.3-1.fc38

External References

Related Security Bulletins