Information disclosure in MediaWiki - CVE-2020-15005
Published: June 25, 2020
Vulnerability identifier: #VU29289
CSH Severity: Medium
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2020-15005
CWE-ID: CWE-200
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to private wikis behind a caching server using the img_auth.php image authorization security feature may have had their files cached publicly. A remote attacker can gain unauthorized access to sensitive information on the system.
Affected software
MediaWiki
Fedora
mediawiki
Fedora
mediawiki
How to mitigate CVE-2020-15005
Install updates from vendor's website.
MediaWiki - addressed in versions 1.31.8, 1.33.4, 1.34.2
mediawiki - update to 1.33.4-1.fc32
mediawiki - update to 1.33.4-1.fc32
External References
- https://gerrit.wikimedia.org/r/plugins/gitiles/mediawiki/core/+/REL1_31/RELEASE-NOTES-1.31
- https://gerrit.wikimedia.org/r/plugins/gitiles/mediawiki/core/+/REL1_33/RELEASE-NOTES-1.33
- https://gerrit.wikimedia.org/r/plugins/gitiles/mediawiki/core/+/REL1_34/RELEASE-NOTES-1.34
- https://phabricator.wikimedia.org/T248947