Amazon Linux 2 Security Advisory: ALAS-2023-1906
Advisory Release Date: 2023-01-18 00:16 Pacific
Advisory Updated Date: 2023-01-20 23:24 Pacific
A flaw was found in unzip. The vulnerability occurs due to improper handling of Unicode strings, which can lead to a null pointer dereference. This flaw allows an attacker to input a specially crafted zip file, leading to a crash or code execution. (CVE-2021-4217)
A flaw was found in Unzip. The vulnerability occurs during the conversion of a wide string to a local string that leads to a heap of out-of-bound write. This flaw allows an attacker to input a specially crafted zip file, leading to a crash or code execution. (CVE-2022-0529)
A flaw was found in Unzip. The vulnerability occurs during the conversion of a UTF-8 string to a local string that leads to a segmentation fault. This flaw allows an attacker to input a specially crafted zip file, leading to a crash or code execution. (CVE-2022-0530)
Affected Packages:
unzip
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 unzip to update your system.
aarch64:
unzip-6.0-57.amzn2.0.1.aarch64
unzip-debuginfo-6.0-57.amzn2.0.1.aarch64
i686:
unzip-6.0-57.amzn2.0.1.i686
unzip-debuginfo-6.0-57.amzn2.0.1.i686
src:
unzip-6.0-57.amzn2.0.1.src
x86_64:
unzip-6.0-57.amzn2.0.1.x86_64
unzip-debuginfo-6.0-57.amzn2.0.1.x86_64