ALASPYTHON3.8-2023-006


Amazon Linux 2 Security Advisory: ALASPYTHON3.8-2023-006
Advisory Release Date: 2023-08-21 21:00 Pacific
Advisory Updated Date: 2023-09-25 22:04 Pacific
Severity: Medium

Issue Overview:

Python 2.7 through 2.7.17, 3.5 through 3.5.9, 3.6 through 3.6.10, 3.7 through 3.7.6, and 3.8 through 3.8.1 allows an HTTP server to conduct Regular Expression Denial of Service (ReDoS) attacks against a client because of urllib.request.AbstractBasicAuthHandler catastrophic backtracking. (CVE-2020-8492)


Affected Packages:

python38


Note:

This advisory is applicable to Amazon Linux 2 - Python3.8 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 python38 to update your system.

New Packages:
aarch64:
    python38-3.8.3-1.amzn2.0.1.aarch64
    python38-libs-3.8.3-1.amzn2.0.1.aarch64
    python38-devel-3.8.3-1.amzn2.0.1.aarch64
    python38-tools-3.8.3-1.amzn2.0.1.aarch64
    python38-tkinter-3.8.3-1.amzn2.0.1.aarch64
    python38-test-3.8.3-1.amzn2.0.1.aarch64
    python38-debug-3.8.3-1.amzn2.0.1.aarch64
    python38-debuginfo-3.8.3-1.amzn2.0.1.aarch64

src:
    python38-3.8.3-1.amzn2.0.1.src

x86_64:
    python38-3.8.3-1.amzn2.0.1.x86_64
    python38-libs-3.8.3-1.amzn2.0.1.x86_64
    python38-devel-3.8.3-1.amzn2.0.1.x86_64
    python38-tools-3.8.3-1.amzn2.0.1.x86_64
    python38-tkinter-3.8.3-1.amzn2.0.1.x86_64
    python38-test-3.8.3-1.amzn2.0.1.x86_64
    python38-debug-3.8.3-1.amzn2.0.1.x86_64
    python38-debuginfo-3.8.3-1.amzn2.0.1.x86_64