CVE-2017-12963: High severity LibSass LibSass vulnerability
Published Aug 18, 2017
·Updated
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).
Affected Software
1 affected component
LibSass LibSass=3.4.5
Event History
Aug 18, 2017
CVE Published
via MITRE·09:00 PM
Data Sourced
via MITRE·09:00 PM
Description
Frequently Asked Questions
1
What is the severity of CVE-2017-12963?
CVE-2017-12963 has a medium severity rating due to its potential for remote denial of service attacks.
2
How do I fix CVE-2017-12963?
To fix CVE-2017-12963, upgrade LibSass to version 3.4.6 or later, which addresses this vulnerability.
3
Which versions of LibSass are affected by CVE-2017-12963?
CVE-2017-12963 affects LibSass version 3.4.5.
4
Is CVE-2017-12963 similar to any other vulnerabilities?
Yes, CVE-2017-12963 is similar to CVE-2017-11555, but it remains exploitable even after the latter's fix.
5
What impact does CVE-2017-12963 have on my system?
CVE-2017-12963 can lead to a denial of service, making applications using LibSass unavailable.