CVE-2017-11554 Denial of service in n/a
A crafted input causes stack consumption in LibSass, leading to remote denial of service for applications using the library.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2017-11554?
CVE-2017-11554 is a high-severity denial of service vulnerability in n/a, published on 23 Jul 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
There is a stack consumption vulnerability in the lex function in parser.hpp (as used in sassc) in LibSass 3.4.5. A crafted input will lead to a remote denial of service.
Weakness: CWE-674
Which versions are affected by CVE-2017-11554?
It affects 1 product.
Products include Libsass Libsass.
How do I fix CVE-2017-11554?
Upgrade to a fixed version.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2017-11554 being exploited?
There is no known exploitation of CVE-2017-11554 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as DEBIAN-CVE-2017-11554, GHSA-qqjx-qv79-g2q3, UBUNTU-CVE-2017-11554.