Information disclosure in MediaWiki
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.
Vulnerability class: Information Disclosure
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.9 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.012 (67.0th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 67th percentile — 67.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.012 · newest: 0.012 · change: 0.000
Affected products
- MediaWiki — versions 1.19.0, 1.19.1
Weakness classification (CWE)
References
- www.openwall.com/lists/oss-security/2012/08/31/6 (mailing-list, Patch, Mailing List, Third Party Advisory)
- lists.wikimedia.org/pipermail/mediawiki-announce/2012-August/000119.html (Vendor Advisory, mailing-list, Patch)
- phabricator.wikimedia.org/T41823 (Issue Tracking, Vendor Advisory)
- www.openwall.com/lists/oss-security/2012/08/31/10 (mailing-list, Patch, Mailing List, Third Party Advisory)
- bugs.debian.org/cgi-bin/bugreport.cgi (Third Party Advisory, Issue Tracking)
Frequently asked questions
- What is CVE-2012-4382?
- CVE-2012-4382 is a medium-severity vulnerability in MediaWiki, classified under Information Disclosure. CVSS score: 4.9/10. Published 2017-10-19.
- How severe is CVE-2012-4382?
- Medium severity. CVSS v3 base score is 4.9 out of 10.