PT-2018-10757 · Sass+2 · Libsass+2

Glen-Mac · Published 2018-06-04 · Updated 2021-03-15 · CVE-2018-11697

Positive Technologies (AI Summary)

CVSS v3.1

8.1

High

Base vector

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

Name of the Vulnerable Software and Affected Versions LibSass versions prior to 3.5.5

Description An issue was discovered in the function Sass::Prelexer::exactly() that could allow an attacker to disclose information or cause a denial of service due to an out-of-bounds read of a memory region.

Recommendations For versions prior to 3.5.5, update to version 3.5.5 or later to resolve the issue. As a temporary workaround, consider restricting access to the Sass::Prelexer::exactly() function until a patch is available.

Exploit

Fix

DoS

Out of bounds Read

Weakness Enumeration

CWE-125

Related Identifiers

ALT-PU-2020-1653

CVE-2018-11697

USN-4837-1

Affected Products

Alt Linux

Libsass

Ubuntu

References · 22

• 🔥 https://github.com/sass/libsass/issues/2656 · Exploit
• https://ubuntu.com/security/CVE-2019-6284 · Vendor Advisory
• https://ubuntu.com/security/CVE-2018-19827 · Vendor Advisory
• https://ubuntu.com/security/CVE-2018-11697 · Vendor Advisory
• https://ubuntu.com/security/CVE-2018-11698 · 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/UBUNTU-CVE-2018-11697 · Vendor Advisory
• https://ubuntu.com/security/CVE-2018-19797 · Vendor Advisory
• https://ubuntu.com/security/CVE-2019-6286 · Vendor Advisory
• https://ubuntu.com/security/CVE-2018-11693 · Vendor Advisory
• https://ubuntu.com/security/notices/USN-4837-1 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2018-11697 · Security Note
• https://ubuntu.com/security/CVE-2018-11695 · Vendor Advisory