PT-2018-15289 · Sass+2 · Libsass+2

Zyingp · Published 2018-12-17 · Updated 2021-03-15 · CVE-2018-20190

Positive Technologies (AI Summary)

CVSS v3.1

6.5

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions LibSass version 3.5.5

Description The issue is related to a NULL Pointer Dereference in the function Sass::Eval::operator()(Sass::Supports Operator*) in eval.cpp. This may cause a Denial of Service, resulting in an application crash, when a crafted sass input file is processed.

Recommendations For LibSass version 3.5.5, consider updating to a newer version that addresses this issue, as no specific fix is provided for this version. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

DoS

NULL Pointer Dereference

Weakness Enumeration

CWE-476

Related Identifiers

CVE-2018-20190

MGASA-2020-0049

OPENSUSE-SU-2019:1791-1

OPENSUSE-SU-2019:1800-1

OPENSUSE-SU-2019:1883-1

OPENSUSE-SU-2019_1791-1

OPENSUSE-SU-2024:10988-1

USN-4837-1

Affected Products

Libsass

Suse

Ubuntu

References · 60

• 🔥 https://github.com/sass/libsass/issues/2786 · Exploit
• https://ubuntu.com/security/CVE-2019-6286 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2018-20190 · Security Note
• https://ubuntu.com/security/CVE-2018-11698 · Vendor Advisory
• https://ubuntu.com/security/CVE-2018-11695 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2018-20190 · Security Note
• https://osv.dev/vulnerability/openSUSE-SU-2019:1883-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2018-19797 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2018-20190 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2018-20190 · Vendor Advisory
• https://ubuntu.com/security/CVE-2018-11499 · Vendor Advisory
• https://ubuntu.com/security/CVE-2018-11693 · Vendor Advisory
• https://osv.dev/vulnerability/openSUSE-SU-2019:1800-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2018-11696 · Vendor Advisory
• https://ubuntu.com/security/CVE-2019-6284 · Vendor Advisory