CVE-2020-29007

Summary

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.

Affected Software

Weaknesses

• n/a

ADP Enrichment

CVE Program Container

Additional References

• https://github.com/seqred-s-a/cve-2020-29007
• https://www.mediawiki.org/wiki/Extension:Score
• https://phabricator.wikimedia.org/T257062
• https://seqred.pl/en/cve-2020-29007-remote-code-execution-in-mediawiki-score/
• https://www.mediawiki.org/wiki/Extension:Score/2021_security_advisory

CISA ADP Vulnrichment

• SSVC:
• Exploitation: poc
  • Automatable: yes
  • Technical Impact: total

References

• https://github.com/seqred-s-a/cve-2020-29007
• https://www.mediawiki.org/wiki/Extension:Score
• https://phabricator.wikimedia.org/T257062
• https://seqred.pl/en/cve-2020-29007-remote-code-execution-in-mediawiki-score/
• https://www.mediawiki.org/wiki/Extension:Score/2021_security_advisory

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