Use-after-free in LibSass - CVE-2018-19827
Published: December 3, 2018 / Updated: August 8, 2020
Vulnerability identifier: #VU36345
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2018-19827
CWE-ID: CWE-416
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Sass
Affected software:
LibSass
LibSass
Detailed vulnerability description
The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.
In LibSass 3.5.5, a use-after-free vulnerability exists in the SharedPtr class in SharedPtr.cpp (or SharedPtr.hpp) that may cause a denial of service (application crash) or possibly have unspecified other impact.
How to mitigate CVE-2018-19827
Install update from vendor's website.