CVE-2017-17523 Command injection in n/a
Remote attackers can execute arbitrary commands via argument injection in LilyPond's editor invocation when processing crafted URLs.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2017-17523?
CVE-2017-17523 is a high-severity command injection vulnerability in n/a, published on 11 Dec 2017. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
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.
Weakness: CWE-74
Which versions are affected by CVE-2017-17523?
It affects 1 product.
Products include Lilypond Lilypond.
How do I fix CVE-2017-17523?
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-2017-17523 being exploited?
There is no known exploitation of CVE-2017-17523 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as DEBIAN-CVE-2017-17523, GHSA-wwvq-3fw5-hw34, MGASA-2018-0412, UBUNTU-CVE-2017-17523.