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Ubuntu 23.10/22.04/20.04 LTS USN-6719-2 Moderate: Util-linux Info Leak

ubuntu
Calendar Grey April 10, 2024
Dist Ubuntu Esm H88
Ubuntu Security Notice USN-6719-2 addresses a vulnerability in util-linux that may leak sensitive data, urging all users to upgrade packages promptly for enhanced security
util-linux could be made to expose sensitive information.

Summary

util-linux could be made to expose sensitive information.

Software Description:

- util-linux: miscellaneous system utilities

Details:

USN-6719-1 fixed a vulnerability in util-linux. Unfortunately, it was

discovered that the fix did not fully address the issue. This update

removes the setgid permission bit from the wall and write utilities.

Original advisory details:

Skyler Ferrante discovered that the util-linux wall command did not filter

escape sequences from command line arguments. A local attacker could

possibly use this issue to obtain sensitive information.

Topics%20covered

Topics Covered

security advisory moderate Ubuntu util-linux local attack information exposure

Update Instructions

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

Ubuntu 23.10:
   util-linux                      2.39.1-4ubuntu2.2

Ubuntu 22.04 LTS:
   util-linux                      2.37.2-4ubuntu3.4

Ubuntu 20.04 LTS:
   util-linux                      2.34-0.1ubuntu9.6

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

References

https://ubuntu.com/security/notices/USN-6719-2

https://ubuntu.com/security/notices/USN-6719-1

CVE-2024-28085

Severity
important
Lowest
Low
Medium
High
Critical

Ubuntu Security Notice USN-6719-2

Topics%20covered

Topics Covered

security advisory moderate Ubuntu util-linux local attack information exposure

Package Information

https://launchpad.net/ubuntu/+source/util-linux/2.39.1-4ubuntu2.2
https://launchpad.net/ubuntu/+source/util-linux/2.37.2-4ubuntu3.4
https://launchpad.net/ubuntu/+source/util-linux/2.34-0.1ubuntu9.6

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