PT-2018-15123 · Sass+3 · Libsass+3

Hongxuchen · Published 2018-12-04 · Updated 2021-03-15 · CVE-2018-19839

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 versions prior to 3.5.5

Description The issue allows attackers to cause a denial-of-service resulting from a heap-based buffer over-read via a crafted sass file. This is due to the function handle error in sass context.cpp.

Recommendations For versions prior to 3.5.5, update to version 3.5.5 or later to resolve the issue.

Exploit

Fix

DoS

Out of bounds Read

Weakness Enumeration

CWE-125

Related Identifiers

ALT-PU-2020-1653

CVE-2018-19839

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

Alt Linux

Libsass

Suse

Ubuntu

References · 60

• 🔥 https://github.com/sass/libsass/issues/2657 · Exploit
• https://github.com/sass/libsass/pull/2767 · Patch
• https://ubuntu.com/security/CVE-2019-6284 · Vendor Advisory
• https://ubuntu.com/security/CVE-2018-19827 · Vendor Advisory
• https://osv.dev/vulnerability/openSUSE-SU-2019:1800-1 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2018-19839 · Vendor Advisory
• https://ubuntu.com/security/CVE-2018-11698 · Vendor Advisory
• https://ubuntu.com/security/CVE-2019-6283 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2018-19839 · Security Note
• https://security-tracker.debian.org/tracker/CVE-2018-19839 · Vendor Advisory
• https://ubuntu.com/security/CVE-2018-11695 · Vendor Advisory
• https://osv.dev/vulnerability/openSUSE-SU-2019:1883-1 · Vendor Advisory
• https://osv.dev/vulnerability/USN-4837-1 · Vendor Advisory
• http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00047.html · Vendor Advisory
• https://advisories.mageia.org/MGASA-2020-0049.html · Security Note