Integer Overflow or Wraparound Affecting rh-python38-python-test package, versions <0:3.8.11-2.el7


Severity

Recommended
medium

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.54% (78th percentile)

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  • Snyk IDSNYK-RHEL7-RHPYTHON38PYTHONTEST-4850600
  • published26 Jul 2021
  • disclosed9 Dec 2020

Introduced: 9 Dec 2020

CVE-2020-36242  (opens in a new tab)
CWE-190  (opens in a new tab)
CWE-119  (opens in a new tab)

How to fix?

Upgrade RHEL:7 rh-python38-python-test to version 0:3.8.11-2.el7 or higher.
This issue was patched in RHSA-2021:3254.

NVD Description

Note: Versions mentioned in the description apply only to the upstream rh-python38-python-test package and not the rh-python38-python-test package as distributed by RHEL. See How to fix? for RHEL:7 relevant fixed versions and status.

In the cryptography package before 3.3.2 for Python, certain sequences of update calls to symmetrically encrypt multi-GB values could result in an integer overflow and buffer overflow, as demonstrated by the Fernet class.

CVSS Base Scores

version 3.1