Vulnerability Description
The Score extension through 0.3.0 for MediaWiki has a remote code execution vulnerability due to improper sandboxing of the GNU LilyPond executable. This allows any user with an ability to edit articles (potentially including unauthenticated anonymous users) to execute arbitrary Scheme or shell code by using crafted {{Image data to generate musical scores containing malicious code.
CVSS Score
CRITICAL
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Mediawiki | Score | <= 0.3.0 |
Related Weaknesses (CWE)
References
- https://github.com/seqred-s-a/cve-2020-29007ExploitMitigationThird Party Advisory
- https://phabricator.wikimedia.org/T257062ExploitThird Party Advisory
- https://seqred.pl/en/cve-2020-29007-remote-code-execution-in-mediawiki-score/ExploitThird Party Advisory
- https://www.mediawiki.org/wiki/Extension:ScoreVendor Advisory
- https://www.mediawiki.org/wiki/Extension:Score/2021_security_advisoryVendor Advisory
- https://github.com/seqred-s-a/cve-2020-29007ExploitMitigationThird Party Advisory
- https://phabricator.wikimedia.org/T257062ExploitThird Party Advisory
- https://seqred.pl/en/cve-2020-29007-remote-code-execution-in-mediawiki-score/ExploitThird Party Advisory
- https://www.mediawiki.org/wiki/Extension:ScoreVendor Advisory
- https://www.mediawiki.org/wiki/Extension:Score/2021_security_advisoryVendor Advisory
FAQ
What is CVE-2020-29007?
CVE-2020-29007 is a vulnerability with a CVSS score of 9.8 (CRITICAL). The Score extension through 0.3.0 for MediaWiki has a remote code execution vulnerability due to improper sandboxing of the GNU LilyPond executable. This allows any user with an ability to edit articl...
How severe is CVE-2020-29007?
CVE-2020-29007 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2020-29007?
Check the references section above for vendor advisories and patch information. Affected products include: Mediawiki Score.