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
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
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