ALAS-2020-1427


Amazon Linux AMI Security Advisory: ALAS-2020-1427
Advisory Release Date: 2020-08-27 00:20 Pacific
Advisory Updated Date: 2020-08-31 20:45 Pacific
Severity: Medium
References: CVE-2019-20907 

Issue Overview:

In Lib/tarfile.py in Python through 3.8.3, an attacker is able to craft a TAR archive leading to an infinite loop when opened by tarfile.open, because _proc_pax lacks header validation. (CVE-2019-20907 )


Affected Packages:

python27


Issue Correction:
Run yum update python27 to update your system.

New Packages:
i686:
    python27-tools-2.7.18-2.139.amzn1.i686
    python27-test-2.7.18-2.139.amzn1.i686
    python27-2.7.18-2.139.amzn1.i686
    python27-debuginfo-2.7.18-2.139.amzn1.i686
    python27-devel-2.7.18-2.139.amzn1.i686
    python27-libs-2.7.18-2.139.amzn1.i686

src:
    python27-2.7.18-2.139.amzn1.src

x86_64:
    python27-debuginfo-2.7.18-2.139.amzn1.x86_64
    python27-2.7.18-2.139.amzn1.x86_64
    python27-test-2.7.18-2.139.amzn1.x86_64
    python27-devel-2.7.18-2.139.amzn1.x86_64
    python27-libs-2.7.18-2.139.amzn1.x86_64
    python27-tools-2.7.18-2.139.amzn1.x86_64