PT-2018-10755 · Sass+2 · Libsass+2

Xzyfer · Published 2018-06-04 · Updated 2021-03-15 · CVE-2018-11695

Positive Technologies (AI Summary)

CVSS v3.1

8.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions LibSass versions prior to 3.5.3

Description A NULL pointer dereference was found in the Sass::Expand::operator function, which could be leveraged by an attacker to cause a denial of service (application crash) or possibly have unspecified other impact.

Recommendations For versions prior to 3.5.3, update to version 3.5.3 or later to resolve the issue. As a temporary workaround, consider restricting the use of the Sass::Expand::operator function until a patch is available.

Exploit

Fix

DoS

NULL Pointer Dereference

Weakness Enumeration

CWE-476

Related Identifiers

ALT-PU-2018-2076

CVE-2018-11695

USN-4837-1

Affected Products

Alt Linux

Libsass

Ubuntu

References · 24

• 🔥 https://github.com/sass/libsass/issues/2664 · Exploit
• https://osv.dev/vulnerability/UBUNTU-CVE-2018-11695 · Vendor Advisory
• https://ubuntu.com/security/CVE-2019-6284 · Vendor Advisory
• https://ubuntu.com/security/CVE-2018-19827 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2018-11695 · Security Note
• https://ubuntu.com/security/CVE-2018-11697 · Vendor Advisory
• https://ubuntu.com/security/CVE-2018-11698 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2018-11695 · Vendor Advisory
• https://ubuntu.com/security/CVE-2018-19839 · Vendor Advisory
• https://ubuntu.com/security/CVE-2019-6283 · Vendor Advisory
• https://ubuntu.com/security/CVE-2018-20190 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2018-11695 · Vendor Advisory
• https://ubuntu.com/security/CVE-2018-19797 · Vendor Advisory
• https://ubuntu.com/security/CVE-2019-6286 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2018-11695 · Vendor Advisory