CVE-2017-12963 Denial of service in n/a
An illegal address access in LibSass allows remote attackers to cause a denial of service via crafted input.
- 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-2017-12963?
CVE-2017-12963 is a high-severity denial of service vulnerability in n/a, published on 18 Aug 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
There is an illegal address access in Sass::Eval::operator() in eval.cpp of LibSass 3.4.5, leading to a remote denial of service attack. NOTE: this is similar to CVE-2017-11555 but remains exploitable after the vendor's CVE-2017-11555 fix (available from GitHub after 2017-07-24).
Weakness: CWE-125
Which versions are affected by CVE-2017-12963?
It affects 1 product.
Products include Libsass Libsass.
How do I fix CVE-2017-12963?
No fix has been published for CVE-2017-12963 yet. Limit exposure of the affected software until one is available.
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-2017-12963 being exploited?
There is no known exploitation of CVE-2017-12963 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-qqp3-5fc5-8mf5, UBUNTU-CVE-2017-12963.