Integer Overflow or Wraparound Affecting python27 package, versions <0:2.7.13-2.122.amzn1


Severity

Recommended
medium

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
1.37% (86th percentile)

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  • Snyk IDSNYK-AMZN201803-PYTHON27-1710015
  • published27 Sept 2021
  • disclosed17 Nov 2017

Introduced: 17 Nov 2017

CVE-2017-1000158  (opens in a new tab)
CWE-190  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2018.03 python27 to version 0:2.7.13-2.122.amzn1 or higher.
This issue was patched in ALAS-2018-945.

NVD Description

Note: Versions mentioned in the description apply only to the upstream python27 package and not the python27 package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2018.03 relevant fixed versions and status.

CPython (aka Python) up to 2.7.13 is vulnerable to an integer overflow in the PyString_DecodeEscape function in stringobject.c, resulting in heap-based buffer overflow (and possible arbitrary code execution)

CVSS Scores

version 3.1