ALAS-2020-1407


Amazon Linux AMI Security Advisory: ALAS-2020-1407
Advisory Release Date: 2020-07-27 23:54 Pacific
Advisory Updated Date: 2020-07-29 21:38 Pacific
Severity: Medium
References: CVE-2020-8492 

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:

python27, python34, python35, python36


Issue Correction:
Run yum update python27 to update your system.
Run yum update python34 to update your system.
Run yum update python35 to update your system.
Run yum update python36 to update your system.

New Packages:
i686:
    python27-test-2.7.18-1.138.amzn1.i686
    python27-tools-2.7.18-1.138.amzn1.i686
    python27-libs-2.7.18-1.138.amzn1.i686
    python27-debuginfo-2.7.18-1.138.amzn1.i686
    python27-2.7.18-1.138.amzn1.i686
    python27-devel-2.7.18-1.138.amzn1.i686
    python34-3.4.10-1.50.amzn1.i686
    python34-debuginfo-3.4.10-1.50.amzn1.i686
    python34-tools-3.4.10-1.50.amzn1.i686
    python34-devel-3.4.10-1.50.amzn1.i686
    python34-libs-3.4.10-1.50.amzn1.i686
    python34-test-3.4.10-1.50.amzn1.i686
    python35-tools-3.5.7-1.26.amzn1.i686
    python35-devel-3.5.7-1.26.amzn1.i686
    python35-libs-3.5.7-1.26.amzn1.i686
    python35-test-3.5.7-1.26.amzn1.i686
    python35-debuginfo-3.5.7-1.26.amzn1.i686
    python35-3.5.7-1.26.amzn1.i686
    python36-libs-3.6.11-1.17.amzn1.i686
    python36-devel-3.6.11-1.17.amzn1.i686
    python36-debuginfo-3.6.11-1.17.amzn1.i686
    python36-tools-3.6.11-1.17.amzn1.i686
    python36-debug-3.6.11-1.17.amzn1.i686
    python36-test-3.6.11-1.17.amzn1.i686
    python36-3.6.11-1.17.amzn1.i686

src:
    python27-2.7.18-1.138.amzn1.src
    python34-3.4.10-1.50.amzn1.src
    python35-3.5.7-1.26.amzn1.src
    python36-3.6.11-1.17.amzn1.src

x86_64:
    python27-debuginfo-2.7.18-1.138.amzn1.x86_64
    python27-test-2.7.18-1.138.amzn1.x86_64
    python27-tools-2.7.18-1.138.amzn1.x86_64
    python27-2.7.18-1.138.amzn1.x86_64
    python27-devel-2.7.18-1.138.amzn1.x86_64
    python27-libs-2.7.18-1.138.amzn1.x86_64
    python34-debuginfo-3.4.10-1.50.amzn1.x86_64
    python34-test-3.4.10-1.50.amzn1.x86_64
    python34-devel-3.4.10-1.50.amzn1.x86_64
    python34-3.4.10-1.50.amzn1.x86_64
    python34-libs-3.4.10-1.50.amzn1.x86_64
    python34-tools-3.4.10-1.50.amzn1.x86_64
    python35-tools-3.5.7-1.26.amzn1.x86_64
    python35-devel-3.5.7-1.26.amzn1.x86_64
    python35-3.5.7-1.26.amzn1.x86_64
    python35-debuginfo-3.5.7-1.26.amzn1.x86_64
    python35-test-3.5.7-1.26.amzn1.x86_64
    python35-libs-3.5.7-1.26.amzn1.x86_64
    python36-test-3.6.11-1.17.amzn1.x86_64
    python36-tools-3.6.11-1.17.amzn1.x86_64
    python36-3.6.11-1.17.amzn1.x86_64
    python36-debug-3.6.11-1.17.amzn1.x86_64
    python36-devel-3.6.11-1.17.amzn1.x86_64
    python36-debuginfo-3.6.11-1.17.amzn1.x86_64
    python36-libs-3.6.11-1.17.amzn1.x86_64