CVE-2018-10992 Command injection in n/a

Critical 9.8 Published 11 May 2018 Updated 5 Aug 2024

Remote attackers can execute arbitrary commands via argument injection in LilyPond's editor invocation due to improper input validation.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: Available

What is CVE-2018-10992?

CVE-2018-10992 is a critical command injection vulnerability in n/a, published on 11 May 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

lilypond-invoke-editor in LilyPond 2.19.80 does not validate strings before launching the program specified by the BROWSER environment variable, which allows remote attackers to conduct argument-injection attacks via a crafted URL, as demonstrated by a --proxy-pac-file argument, because the GNU Guile code uses the system Scheme procedure instead of the system* Scheme procedure. NOTE: this vulnerability exists because of an incomplete fix for CVE-2017-17523.

Weakness: CWE-88

Which versions are affected by CVE-2018-10992?

It affects 1 product.

Products include Lilypond Lilypond.

How do I fix CVE-2018-10992?

Apply the vendor's patch.

Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.

Is CVE-2018-10992 being exploited?

There is no known exploitation of CVE-2018-10992 in the wild and no public exploit code.

Sources

Also known as DEBIAN-CVE-2018-10992, GHSA-62j8-9w4c-7rfw, UBUNTU-CVE-2018-10992.