CVE-2012-4885

Severity: medium (CVSS 5.0 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.9% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2012-09-09 · updated 2026-06-16

Description

The wikitext parser in MediaWiki 1.17.x before 1.17.3 and 1.18.x before 1.18.2 allows remote attackers to cause a denial of service (infinite loop) via certain input, as demonstrated by the padleft function.

Affected products

Wikimedia Foundation MediaWiki: 1.17, 1.17-beta_1, 1.17.0, 1.17.0-rc1, 1.17.1, 1.17.2 (+5)

References

http://lists.wikimedia.org/pipermail/mediawiki-announce/2012-March/000109.html
http://lists.wikimedia.org/pipermail/mediawiki-announce/2012-March/000110.html
http://secunia.com/advisories/48504
http://www.openwall.com/lists/oss-security/2012/03/22/9
http://www.openwall.com/lists/oss-security/2012/03/24/1
http://www.securityfocus.com/bid/52689
https://bugzilla.wikimedia.org/show_bug.cgi?id=22555
https://bugzilla.wikimedia.org/show_bug.cgi?id=35315
http://lists.wikimedia.org/pipermail/mediawiki-announce/2012-March/000109.html
http://lists.wikimedia.org/pipermail/mediawiki-announce/2012-March/000110.html
http://secunia.com/advisories/48504
http://www.openwall.com/lists/oss-security/2012/03/22/9

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