Vulnerability Description
MediaWiki through 1.33.1 allows attackers to bypass the Title_blacklist protection mechanism by starting with an arbitrary title, establishing a non-resolvable redirect for the associated page, and using redirect=1 in the action API when editing that page.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Mediawiki | Mediawiki | <= 1.33.1 |
| Debian | Debian Linux | 9.0 |
Related Weaknesses (CWE)
References
- https://gerrit.wikimedia.org/r/q/Ie54f366986056c876eade0fcad6c41f70b8b8de8ExploitVendor Advisory
- https://phabricator.wikimedia.org/T239466ExploitVendor Advisory
- https://seclists.org/bugtraq/2019/Dec/48Mailing ListThird Party Advisory
- https://www.debian.org/security/2019/dsa-4592Third Party Advisory
- https://gerrit.wikimedia.org/r/q/Ie54f366986056c876eade0fcad6c41f70b8b8de8ExploitVendor Advisory
- https://phabricator.wikimedia.org/T239466ExploitVendor Advisory
- https://seclists.org/bugtraq/2019/Dec/48Mailing ListThird Party Advisory
- https://www.debian.org/security/2019/dsa-4592Third Party Advisory
FAQ
What is CVE-2019-19709?
CVE-2019-19709 is a vulnerability with a CVSS score of 6.1 (MEDIUM). MediaWiki through 1.33.1 allows attackers to bypass the Title_blacklist protection mechanism by starting with an arbitrary title, establishing a non-resolvable redirect for the associated page, and us...
How severe is CVE-2019-19709?
CVE-2019-19709 has been rated MEDIUM with a CVSS base score of 6.1/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2019-19709?
Check the references section above for vendor advisories and patch information. Affected products include: Mediawiki Mediawiki, Debian Debian Linux.