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Amazon Linux 2023: CVE-2023-24626: Low priority package update for screen

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Amazon Linux 2023: CVE-2023-24626: Low priority package update for screen

Severity
5
CVSS
(AV:L/AC:L/Au:S/C:N/I:N/A:C)
Published
04/08/2023
Created
02/14/2025
Added
02/14/2025
Modified
02/14/2025

Description

socket.c in GNU Screen through 4.9.0, when installed setuid or setgid (the default on platforms such as Arch Linux and FreeBSD), allows local users to send a privileged SIGHUP signal to any PID, causing a denial of service or disruption of the target process. A flaw was found in screen. This flaw allows local users to send a SIGHUP signal to any PID due to a missing signal sending permission check, potentially resulting in a denial of service or disruption of the target process.

Solution(s)

  • amazon-linux-2023-upgrade-screen
  • amazon-linux-2023-upgrade-screen-debuginfo
  • amazon-linux-2023-upgrade-screen-debugsource

References

  • https://attackerkb.com/topics/cve-2023-24626
  • CVE - 2023-24626
  • https://alas.aws.amazon.com/AL2023/ALAS-2023-224.html
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