high7.5
CVE-2019-12473
Wikimedia Potential DOS due to slow WatchedItemStore::countVisitingWatchersMultiple
Impact
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.
Affected packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| composer | mediawiki/core | >= 1.27.0, < 1.27.6 | 1.27.6 |
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Mediawiki | Mediawiki | from 1.27.0 before 1.27.6 from 1.30.0 before 1.30.2 from 1.31.0 before 1.31.2 from 1.32.0 before 1.32.2 |
| Debian | Debian Linux | Version 9.0 |
Weakness classification
References
- NVD record
- CVE.org record
- GitHub advisory
- https://lists.wikimedia.org/pipermail/wikitech-l/2019-June/092152.html
- https://phabricator.wikimedia.org/T204729
- https://seclists.org/bugtraq/2019/Jun/12
- https://www.debian.org/security/2019/dsa-4460
- https://github.com/advisories/GHSA-33xw-x3pr-rvqj
- https://nvd.nist.gov/vuln/detail/CVE-2019-12473
- https://github.com/FriendsOfPHP/security-advisories/blob/master/mediawiki/core/CVE-2019-12473.yaml