ALASMATE-DESKTOP1.X-2024-004

Amazon Linux 2 Security Advisory: ALASMATE-DESKTOP1.X-2024-004
Advisory Release Date: 2024-01-03 23:00 Pacific
Advisory Updated Date: 2024-01-03 23:00 Pacific
Severity: Important
Issue Overview:

Stack Overflow vulnerability in libsass 3.6.5 via the CompoundSelector::has_real_parent_ref function. (CVE-2022-26592)

Stack overflow vulnerability in ast_selectors.cpp in function Sass::CompoundSelector::has_real_parent_ref in libsass:3.6.5-8-g210218, which can be exploited by attackers to causea denial of service (DoS). Also affects the command line driver for libsass, sassc 3.6.2. (CVE-2022-43357)

Stack overflow vulnerability in ast_selectors.cpp: in function Sass::ComplexSelector::has_placeholder in libsass:3.6.5-8-g210218, which can be exploited by attackers to cause a denial of service (DoS). (CVE-2022-43358)


Affected Packages:

libsass


Note:

This advisory is applicable to Amazon Linux 2 - Mate-desktop1.x Extra. Visit this page to learn more about Amazon Linux 2 (AL2) Extras and this FAQ section for the difference between AL2 Core and AL2 Extras advisories.


Issue Correction:
Run yum update libsass to update your system.

New Packages:
aarch64:
    libsass-3.6.4-3.amzn2.0.1.aarch64
    libsass-devel-3.6.4-3.amzn2.0.1.aarch64
    libsass-debuginfo-3.6.4-3.amzn2.0.1.aarch64

src:
    libsass-3.6.4-3.amzn2.0.1.src

x86_64:
    libsass-3.6.4-3.amzn2.0.1.x86_64
    libsass-devel-3.6.4-3.amzn2.0.1.x86_64
    libsass-debuginfo-3.6.4-3.amzn2.0.1.x86_64

Additional References

Red Hat: CVE-2022-26592, CVE-2022-43357, CVE-2022-43358

Mitre: CVE-2022-26592, CVE-2022-43357, CVE-2022-43358