CVE-2018-19837 Information

Description

In LibSass prior to 3.5.5 Sass::Eval::operator()(Sass::Binary_Expression*) inside eval.cpp allows attackers to cause a denial-of-service resulting from stack consumption via a crafted sass file because of certain incorrect parsing of ’’ as a modulo operator in parser.cpp.

CVSS Vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Reference

http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00047.html http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00051.html http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00027.html https://github.com/sass/libsass/commit/210fdff7a65370c2ae24e022a2b35da8c423cc5f https://github.com/sass/libsass/issues/2659

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

6.5