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Debian Security Advisory DSA 2022-1 (mediawiki)
Information
Severity
Severity
Family
Family
CVSSv2 Base
CVSSv2 Base
CVSSv2 Vector
CVSSv2 Vector
Solution Type
Solution Type
Created
Created
Modified
Modified
Summary
The remote host is missing an update to mediawiki announced via advisory DSA 2022-1.
Insight
Insight
Several vulnerabilities have been discovered in mediawiki, a web-based wiki engine. The following issues have been identified: Insufficient input sanitization in the CSS validation code allows editors to display external images in wiki pages. This can be a privacy concern on public wikis as it allows attackers to gather IP addresses and other information by linking these images to a web server under their control. Insufficient permission checks have been found in thump.php which can lead to disclosure of image files that are restricted to certain users (e.g. with img_auth.php). For the stable distribution (lenny), this problem has been fixed in version 1.12.0-2lenny4. For the testing distribution (squeeze), this problem has been fixed in version 1:1.15.2-1. For the unstable distribution (sid), this problem has been fixed in version 1:1.15.2-1.
Solution
Solution
https://secure1.securityspace.com/smysecure/catid.html?in=DSA%202022-1