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Ubuntu 14.04 ESM: USN-4668-4 Critical: python-apt Denial Of Service

ubuntu
Calendar Grey January 11, 2021
Dist Ubuntu Esm H88
The Ubuntu Security Notice USN-4669-5 highlights a critical flaw in python-apt that may result in a system failure upon accessing maliciously designed files.
python-apt could be made to crash if it opened a specially crafted file.

Summary

python-apt could be made to crash if it opened a specially crafted file.

Software Description:

- python-apt: Python interface to libapt-pkg

Details:

USN-4668-1 fixed a vulnerability in python-apt. This update provides

the corresponding update for Ubuntu 14.04 ESM.

Original advisory details:

Kevin Backhouse discovered that python-apt incorrectly handled resources. A

local attacker could possibly use this issue to cause python-apt to consume

resources, leading to a denial of service.

Topics%20covered

Topics Covered

security advisory denial of service critical Ubuntu ubuntu python-apt

Update Instructions

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

Ubuntu 14.04 ESM:
  python-apt                      0.9.3.5ubuntu3+esm4
  python3-apt                     0.9.3.5ubuntu3+esm4

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

References

https://ubuntu.com/security/notices/USN-4668-4

https://ubuntu.com/security/notices/USN-4668-1

CVE-2020-27351

Severity
critical
Lowest
Low
Medium
High
Critical

January 11, 2021

Topics%20covered

Topics Covered

security advisory denial of service critical Ubuntu ubuntu python-apt

Package Information

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