CVE-2020-29007 Code injection in n/a
Attackers with edit permissions can execute arbitrary code via crafted musical score inputs in the MediaWiki Score extension.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2020-29007?
CVE-2020-29007 is a critical code injection vulnerability in n/a, published on 15 Apr 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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.
Weakness: CWE-94
Which versions are affected by CVE-2020-29007?
It affects 1 product.
Products include Mediawiki Score.
How do I fix CVE-2020-29007?
No fix has been published for CVE-2020-29007 yet. Limit exposure of the affected software until one is available.
Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.
Is CVE-2020-29007 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2020-29007 exists.
Public exploit code: 1 proofs of concept on GitHub.
Sources
Also known as GHSA-v67w-wjqm-h9pj.