PT-2019-18074 · Sass+2 · Libsass+2

E4Ck · Published 2019-01-14 · Updated 2021-03-15 · CVE-2019-6286

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 A heap-based buffer over-read issue exists in the Sass::Prelexer::skip over scopes function, located in prelexer.hpp, which is called from Sass::Parser::parse import(). This issue is similar to a previously identified problem.

Recommendations For LibSass version 3.5.5, consider updating to a newer version to resolve the issue, as the current version contains a heap-based buffer over-read flaw in the Sass::Prelexer::skip over scopes function. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Out of bounds Read

Weakness Enumeration

CWE-125

Related Identifiers

CVE-2019-6286

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 · 59

• 🔥 https://github.com/sass/libsass/issues/2815 · Exploit
• https://ubuntu.com/security/CVE-2019-6286 · Vendor Advisory
• https://ubuntu.com/security/CVE-2018-11698 · Vendor Advisory
• https://ubuntu.com/security/CVE-2018-11695 · Vendor Advisory
• https://osv.dev/vulnerability/openSUSE-SU-2019:1883-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2018-19797 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2019-6286 · 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://osv.dev/vulnerability/CVE-2019-6286 · Vendor Advisory
• https://ubuntu.com/security/CVE-2018-11696 · Vendor Advisory
• https://ubuntu.com/security/CVE-2019-6284 · Vendor Advisory
• https://advisories.mageia.org/MGASA-2020-0049.html · Security Note
• https://security-tracker.debian.org/tracker/CVE-2019-6286 · Vendor Advisory