Integer Overflow or Wraparound Affecting python-cryptography-debugsource package, versions <0:3.2.1-4.el8


Severity

Recommended
medium

Based on Rocky Linux security rating.

Threat Intelligence

EPSS
6.72% (94th percentile)

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  • Snyk IDSNYK-ROCKY8-PYTHONCRYPTOGRAPHYDEBUGSOURCE-3291186
  • published3 Feb 2023
  • disclosed7 Feb 2021

Introduced: 7 Feb 2021

CVE-2020-36242  (opens in a new tab)
CWE-190  (opens in a new tab)
CWE-787  (opens in a new tab)

How to fix?

Upgrade Rocky-Linux:8 python-cryptography-debugsource to version 0:3.2.1-4.el8 or higher.
This issue was patched in RLSA-2021:1608.

NVD Description

Note: Versions mentioned in the description apply only to the upstream python-cryptography-debugsource package and not the python-cryptography-debugsource package as distributed by Rocky-Linux. See How to fix? for Rocky-Linux:8 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