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SUSE: CVE-2017-11171: SUSE Linux Security Advisory

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SUSE: CVE-2017-11171: SUSE Linux Security Advisory

Severity
5
CVSS
(AV:L/AC:L/Au:N/C:N/I:N/A:C)
Published
07/11/2017
Created
07/25/2018
Added
08/16/2017
Modified
03/02/2020

Description

Bad reference counting in the context of accept_ice_connection() in gsm-xsmp-server.c in old versions of gnome-session up until version 2.29.92 allows a local attacker to establish ICE connections to gnome-session with invalid authentication data (an invalid magic cookie). Each failed authentication attempt will leak a file descriptor in gnome-session. When the maximum number of file descriptors is exhausted in the gnome-session process, it will enter an infinite loop trying to communicate without success, consuming 100% of the CPU. The graphical session associated with the gnome-session process will stop working correctly, because communication with gnome-session is no longer possible.

Solution(s)

  • suse-upgrade-gnome-session
  • suse-upgrade-gnome-session-lang

References

  • SUSE-SU-2017:2173-1
  • CVE-2017-11171

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