ALAS-2021-1484


Amazon Linux AMI Security Advisory: ALAS-2021-1484
Advisory Release Date: 2021-02-23 20:18 Pacific
Advisory Updated Date: 2021-02-24 19:45 Pacific
Severity: Medium
References: CVE-2021-3177 

Issue Overview:

A flaw was found in python. A stack-based buffer overflow was discovered in the ctypes module provided within Python. Applications that use ctypes without carefully validating the input passed to it may be vulnerable to this flaw, which would allow an attacker to overflow a buffer on the stack and crash the application. The highest threat from this vulnerability is to system availability. (CVE-2021-3177)


Affected Packages:

python27, python36, python38


Issue Correction:
Run yum update python27 to update your system.
Run yum update python36 to update your system.
Run yum update python38 to update your system.

New Packages:
i686:
    python38-3.8.5-1.5.amzn1.i686
    python38-libs-3.8.5-1.5.amzn1.i686
    python38-devel-3.8.5-1.5.amzn1.i686
    python38-debuginfo-3.8.5-1.5.amzn1.i686
    python38-debug-3.8.5-1.5.amzn1.i686
    python38-test-3.8.5-1.5.amzn1.i686
    python38-tools-3.8.5-1.5.amzn1.i686
    python27-tools-2.7.18-2.141.amzn1.i686
    python27-test-2.7.18-2.141.amzn1.i686
    python27-libs-2.7.18-2.141.amzn1.i686
    python27-debuginfo-2.7.18-2.141.amzn1.i686
    python27-devel-2.7.18-2.141.amzn1.i686
    python27-2.7.18-2.141.amzn1.i686
    python36-debug-3.6.12-1.20.amzn1.i686
    python36-3.6.12-1.20.amzn1.i686
    python36-devel-3.6.12-1.20.amzn1.i686
    python36-test-3.6.12-1.20.amzn1.i686
    python36-debuginfo-3.6.12-1.20.amzn1.i686
    python36-tools-3.6.12-1.20.amzn1.i686
    python36-libs-3.6.12-1.20.amzn1.i686

src:
    python38-3.8.5-1.5.amzn1.src
    python27-2.7.18-2.141.amzn1.src
    python36-3.6.12-1.20.amzn1.src

x86_64:
    python38-test-3.8.5-1.5.amzn1.x86_64
    python38-libs-3.8.5-1.5.amzn1.x86_64
    python38-3.8.5-1.5.amzn1.x86_64
    python38-tools-3.8.5-1.5.amzn1.x86_64
    python38-devel-3.8.5-1.5.amzn1.x86_64
    python38-debuginfo-3.8.5-1.5.amzn1.x86_64
    python38-debug-3.8.5-1.5.amzn1.x86_64
    python27-debuginfo-2.7.18-2.141.amzn1.x86_64
    python27-libs-2.7.18-2.141.amzn1.x86_64
    python27-test-2.7.18-2.141.amzn1.x86_64
    python27-2.7.18-2.141.amzn1.x86_64
    python27-devel-2.7.18-2.141.amzn1.x86_64
    python27-tools-2.7.18-2.141.amzn1.x86_64
    python36-debug-3.6.12-1.20.amzn1.x86_64
    python36-debuginfo-3.6.12-1.20.amzn1.x86_64
    python36-3.6.12-1.20.amzn1.x86_64
    python36-devel-3.6.12-1.20.amzn1.x86_64
    python36-libs-3.6.12-1.20.amzn1.x86_64
    python36-tools-3.6.12-1.20.amzn1.x86_64
    python36-test-3.6.12-1.20.amzn1.x86_64