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Ubuntu 22.04 LTS USN-6525-1 Critical: pysha3 Denial Of Service

ubuntu
Calendar Grey November 29, 2023
Dist Ubuntu Esm H88
Recent updates to pysha3 on Ubuntu address a severe security flaw that poses risks of unauthorized program execution and potential system instability.
pysha3 could be made to crash or run programs if it received specially crafted data.

Summary

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

crafted data.

Software Description:

- 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.

Topics%20covered

Topics Covered

security advisory denial of service critical issue software update ubuntu pysha3

Update Instructions

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

Ubuntu 22.04 LTS:
   python3-sha3                    1.0.2-4.2ubuntu0.22.04.1

Ubuntu 20.04 LTS:
   python3-sha3                    1.0.2-4ubuntu0.1

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

References

https://ubuntu.com/security/notices/USN-6525-1

CVE-2022-37454

Severity
critical
Lowest
Low
Medium
High
Critical

Ubuntu Security Notice USN-6525-1

Topics%20covered

Topics Covered

security advisory denial of service critical issue software update ubuntu pysha3

Package Information

https://launchpad.net/ubuntu/+source/pysha3/1.0.2-4.2ubuntu0.22.04.1
https://launchpad.net/ubuntu/+source/pysha3/1.0.2-4ubuntu0.1

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