Medium severity · published Oct 19, 2017
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…
4.9
CVSS
1.2%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
High
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.2% · higher than 68% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
ME
Mediawiki · Mediawiki
through 1.18.4; 1.19.0; 1.19.1 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2012-4382
CVE.org
https://www.cve.org/CVERecord?id=CVE-2012-4382
Mailing List
http://www.openwall.com/lists/oss-security/2012/08/31/10
Mailing List
http://www.openwall.com/lists/oss-security/2012/08/31/6
Issue Tracking
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=686330
Patch
https://lists.wikimedia.org/pipermail/mediawiki-announce/2012-August/000119.html
Issue Tracking
https://phabricator.wikimedia.org/T41823
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