Vulnerability Monitor

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CVE-2012-4382

MediaWiki before 1.18.5, and 1.19.x before 1.19.2 does not properly protect user block metadata, which allows remote administrators to read a user block reason via a reblock attempt.

Published

2017-10-19T21:29:00.283

Last Modified

2025-04-20T01:37:25.860

Status

Deferred

Source

[email protected]

Severity

CVSSv3.0: 4.9 (MEDIUM)

CVSSv2 Vector

AV:N/AC:L/Au:S/C:P/I:N/A:N

Access Vector: NETWORK
Access Complexity: LOW
Authentication: SINGLE
Confidentiality Impact: PARTIAL
Integrity Impact: NONE
Availability Impact: NONE

Exploitability Score

8.0

Impact Score

2.9

Weaknesses

Type: Primary
CWE-200

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	mediawiki	mediawiki	≤ 1.18.4	Yes
Application	mediawiki	mediawiki	1.19.0	Yes
Application	mediawiki	mediawiki	1.19.1	Yes

References

http://www.openwall.com/lists/oss-security/2012/08/31/10 Mailing List, Patch, Third Party Advisory ([email protected])
http://www.openwall.com/lists/oss-security/2012/08/31/6 Mailing List, Patch, Third Party Advisory ([email protected])
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=686330 Issue Tracking, Third Party Advisory ([email protected])
https://lists.wikimedia.org/pipermail/mediawiki-announce/2012-August/000119.html Patch, Vendor Advisory ([email protected])
https://phabricator.wikimedia.org/T41823 Issue Tracking, Vendor Advisory ([email protected])
http://www.openwall.com/lists/oss-security/2012/08/31/10 Mailing List, Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.openwall.com/lists/oss-security/2012/08/31/6 Mailing List, Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=686330 Issue Tracking, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://lists.wikimedia.org/pipermail/mediawiki-announce/2012-August/000119.html Patch, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://phabricator.wikimedia.org/T41823 Issue Tracking, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)