Ubuntu Security Notice USN-6719-2 ≈ Packet Storm

Roger Wilco Alertes 10 avril 2024 Affichages : 76

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Ubuntu Security Notice USN-6719-2^[6]: Authored by Ubuntu ^[7] | Site security.ubuntu.com ^[8]; Ubuntu Security Notice 6719-2 - 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. 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.; systems | linux ^[9], ubuntu ^[10]; advisories | CVE-2024-28085 ^[11]; SHA-256 | ecc9ce4c4b883659f1ca7166c8fbbec41ccb6264494ba71cb4e9a807cd993345; Download ^[12] | Favorite ^[13] | View ^[14]

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Ubuntu Security Notice USN-6719-2
April 10, 2024
util-linux vulnerability
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A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 23.10
- Ubuntu 22.04 LTS
- Ubuntu 20.04 LTS
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.
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
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