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CVE-2024-28085

Published: 27 March 2024

wall in util-linux through 2.40, often installed with setgid tty permissions,
allows escape sequences to be sent to other users’ terminals through argv.
(Specifically, escape sequences received from stdin are blocked, but escape
sequences received from argv are not blocked.) There may be plausible scenarios
where this leads to account takeover.


NOTES

AuthorNote mdeslaur

USN-6719-1 added patches, but it turned out they were
insufficient to completely fix the issue, so -2 was released
which removes the setgid bit from the wall and write binaries.


PRIORITY

Medium


STATUS

Package Release Status util-linux
Launchpad, Ubuntu, Debian bionic Needs triage


focal

Released (2.34-0.1ubuntu9.5)
jammy

Released (2.37.2-4ubuntu3.3)
mantic

Released (2.39.1-4ubuntu2.1)
noble

Released (2.39.3-9ubuntu6)
trusty Needs triage


upstream Needs triage


xenial Needs triage


Patches:
upstream:
https://github.com/util-linux/util-linux/commit/404b0781f52f7c045ca811b2dceec526408ac253



REFERENCES

 * https://people.rit.edu/sjf5462/6831711781/wall_2_27_2024.txt
 * https://www.openwall.com/lists/oss-security/2024/03/27/5
 * https://ubuntu.com/security/notices/USN-6719-1
 * https://ubuntu.com/security/notices/USN-6719-2
 * https://www.cve.org/CVERecord?id=CVE-2024-28085
 * NVD
 * Launchpad
 * Debian


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