PT-2019-15670 · Sass+1 · Libsass+1

C0D3Xpl0It · Published 2019-11-06 · Updated 2020-04-01 · CVE-2019-18798

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 3.6.3

Description The issue allows a heap-based buffer over-read in the Sass::weaveParents function located in ast sel weave.cpp.

Recommendations For versions prior to 3.6.3, update to version 3.6.3 or later to resolve the issue.

Exploit

Fix

Out of bounds Read

Weakness Enumeration

CWE-125

Related Identifiers

ALT-PU-2020-1653

CVE-2019-18798

Affected Products

Alt Linux

Libsass

References · 9

• 🔥 https://github.com/sass/libsass/issues/2999 · Exploit
• https://security-tracker.debian.org/tracker/CVE-2019-18798 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2019-18798 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2019-18798 · Vendor Advisory
• https://ubuntu.com/security/CVE-2019-18798 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2019-18798 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2019-18798 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2019-18798 · Security Note
• https://github.com/mgreter/libsass/commit/0b721e0f37fc69ab197ec956a923e036e3b05ca6 · Note