1. Ubuntu Security Notices
  2. USN-6525-1

USN-6525-1: pysha3 vulnerability

Publication date

29 November 2023

Overview

pysha3 could be made to crash or run programs if it received specially crafted data.

Releases

Packages

  • pysha3 - SHA-3 (Keccak) hash implementation

Details

Nicky Mouha discovered that pysha incorrectly handled certain SHA-3
operations. An attacker could possibly use this issue to cause pysha3 to
crash, resulting in a denial of service, or possibly execute arbitrary
code.

Nicky Mouha discovered that pysha incorrectly handled certain SHA-3
operations. An attacker could possibly use this issue to cause pysha3 to
crash, resulting in a denial of service, or possibly execute arbitrary
code.

Update instructions

In general, a standard system update will make all the necessary changes.

Learn more about how to get the fixes.

The problem can be corrected by updating your system to the following package versions:

Ubuntu Release Package Version
22.04 jammy python3-sha3 –  1.0.2-4.2ubuntu0.22.04.1
20.04 focal python3-sha3 –  1.0.2-4ubuntu0.1

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References

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