High severity · published Jul 10, 2019
CVE-2019-12473
Wikimedia MediaWiki 1.27.0 through 1.32.1 might allow DoS
7.5
CVSS
2.3%
EPSS
No
On KEV
Description
Wikimedia MediaWiki 1.27.0 through 1.32.1 might allow DoS. Passing invalid titles to the API could cause a DoS by querying the entire watchlist table. Fixed in 1.32.2, 1.31.2, 1.30.2 and 1.27.6.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)2.3% · higher than 83% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DL
Debian Linux · Debian
9.0 · source: NVD
ME
Mediawiki · Mediawiki
1.27.0 before 1.27.6; 1.30.0 before 1.30.2; 1.31.0 before 1.31.2; 1.32.0 before 1.32.2 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2019-12473
CVE.org
https://www.cve.org/CVERecord?id=CVE-2019-12473
Patch
https://lists.wikimedia.org/pipermail/wikitech-l/2019-June/092152.html
Third Party Advisory
https://phabricator.wikimedia.org/T204729
Mailing List
https://seclists.org/bugtraq/2019/Jun/12
Third Party Advisory
https://www.debian.org/security/2019/dsa-4460
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