Amazon Linux 2 Security Advisory: ALAS-2021-1577
Advisory Release Date: 2021-01-05 23:34 Pacific
Advisory Updated Date: 2021-01-07 17:00 Pacific
Severity:
Medium
Issue Overview:
An integer overflow, leading to a heap-based buffer overflow was found in the imagecreatefromgd2() function of PHP's gd extension. A remote attacker could use this flaw to crash a PHP application or execute arbitrary code with the privileges of the user running that PHP application, using gd via a specially crafted GD2 image. (CVE-2016-5766)
Affected Packages:
gd
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 gd to update your system.
New Packages:
aarch64:
gd-2.0.35-27.amzn2.aarch64
gd-progs-2.0.35-27.amzn2.aarch64
gd-devel-2.0.35-27.amzn2.aarch64
gd-debuginfo-2.0.35-27.amzn2.aarch64
i686:
gd-2.0.35-27.amzn2.i686
gd-progs-2.0.35-27.amzn2.i686
gd-devel-2.0.35-27.amzn2.i686
gd-debuginfo-2.0.35-27.amzn2.i686
src:
gd-2.0.35-27.amzn2.src
x86_64:
gd-2.0.35-27.amzn2.x86_64
gd-progs-2.0.35-27.amzn2.x86_64
gd-devel-2.0.35-27.amzn2.x86_64
gd-debuginfo-2.0.35-27.amzn2.x86_64