ALAS2-2021-1661


Amazon Linux 2 Security Advisory: ALAS-2021-1661
Advisory Release Date: 2021-06-16 20:37 Pacific
Advisory Updated Date: 2021-06-22 22:24 Pacific
Severity: Medium

Issue Overview:

A flaw was found in libX11. An integer overflow leading to a heap-buffer overflow occurs when setuid programs call XIM client functions while running with elevated privileges. The highest threat from this vulnerability are to data confidentiality and integrity as well as system vulnerability. (CVE-2020-14344)


Affected Packages:

libX11


Note:

This advisory is applicable to Amazon Linux 2 (AL2) Core repository. Visit this FAQ section for the difference between AL2 Core and AL2 Extras advisories.


Issue Correction:
Run yum update libX11 to update your system.

New Packages:
aarch64:
    libX11-1.6.7-3.amzn2.0.1.aarch64
    libX11-devel-1.6.7-3.amzn2.0.1.aarch64
    libX11-debuginfo-1.6.7-3.amzn2.0.1.aarch64

i686:
    libX11-1.6.7-3.amzn2.0.1.i686
    libX11-devel-1.6.7-3.amzn2.0.1.i686
    libX11-debuginfo-1.6.7-3.amzn2.0.1.i686

noarch:
    libX11-common-1.6.7-3.amzn2.0.1.noarch

src:
    libX11-1.6.7-3.amzn2.0.1.src

x86_64:
    libX11-1.6.7-3.amzn2.0.1.x86_64
    libX11-devel-1.6.7-3.amzn2.0.1.x86_64
    libX11-debuginfo-1.6.7-3.amzn2.0.1.x86_64