#VU16659 NULL pointer dereference in LibSass - CVE-2018-20190

 

#VU16659 NULL pointer dereference in LibSass - CVE-2018-20190

Published: December 23, 2018


Vulnerability identifier: #VU16659
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:P/U:Clear
CVE-ID: CVE-2018-20190
CWE-ID: CWE-476
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
LibSass
Software vendor:
Sass

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a NULL pointer dereference error in the function Sass::Eval::operator()(Sass::Supports_Operator*) in eval.cpp. A remote attacker can trick the victim into opening a specially crafted sass input file and perform a denial of service (DoS) attack.


Remediation

Cybersecurity Help is currently unaware of any official solution to address the vulnerability.

External links