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Ubuntu 20.04 LTS: USN-5329-1 Critical: Tar Denial Of Service Issue

ubuntu
Calendar Grey March 15, 2022
Dist Ubuntu Esm H88
The Ubuntu security announcement USN-5329-1 outlines an issue with the tar utility, which could lead to system instability in certain scenarios.
tar could be made to crash if it received specially crafted file.

Summary

tar could be made to crash if it received specially crafted

file.

Software Description:

- tar: GNU version of the tar archiving utility

Details:

It was discovered that tar incorrectly handled certain files.

An attacker could possibly use this issue to cause tar to crash,

resulting in a denial of service.

Topics%20covered

Topics Covered

security advisory denial of service security issue update critical ubuntu tar

Update Instructions

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

Ubuntu 20.04 LTS:
   tar                             1.30+dfsg-7ubuntu0.20.04.2

Ubuntu 18.04 LTS:
   tar                             1.29b-2ubuntu0.3

Ubuntu 16.04 ESM:
   tar                             1.28-2.1ubuntu0.2+esm1

Ubuntu 14.04 ESM:
   tar                             1.27.1-1ubuntu0.1+esm2

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

References

https://ubuntu.com/security/notices/USN-5329-1

CVE-2021-20193

Severity
critical
Lowest
Low
Medium
High
Critical

March 15, 2022

Topics%20covered

Topics Covered

security advisory denial of service security issue update critical ubuntu tar

Package Information

https://launchpad.net/ubuntu/+source/tar/1.30+dfsg-7ubuntu0.20.04.2
https://launchpad.net/ubuntu/+source/tar/1.29b-2ubuntu0.3

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