Main Vulnerability Database Vulnerabilities #VU36433

Out-of-bounds read in LibSass - CVE-2018-19218

Published: November 12, 2018 / Updated: August 8, 2020

Vulnerability identifier: #VU36433

CSH Severity: Medium

CVSS v4.0: 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:U/U:Green

CVE-ID: CVE-2018-19218

CWE-ID: CWE-125

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vendor: Sass

Affected software:
LibSass

Detailed vulnerability description

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

In LibSass 3.5-stable, there is an illegal address access at Sass::Parser::parse_css_variable_value_token that will lead to a DoS attack.

Install update from vendor's website.