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Date: Fri, 27 Oct 2023 03:43:46 +0000
From: VMware Security Response Center <security@...are.com>
To: "oss-security@...ts.openwall.com" <oss-security@...ts.openwall.com>
Subject: CVE-2023-34059 - File Descriptor Hijack vulnerability in
open-vm-tools
Description
==============================================================
CVE-2023-34059: open-vm-tools contains a file descriptor hijack vulnerability in the vmware-user-suid-wrapper. VMware has evaluated the severity of this issue to be in the Important severity range with a maximum CVSSv3 base score of 7.4. - CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Known Attack Vectors
==============================================================
A malicious actor with non-root privileges may be able to hijack the /dev/uinput file descriptor allowing them to simulate user inputs.
Acknowledgement
==============================================================
VMware would like to thank Matthias Gerstner of the SUSE Linux Security Team for reporting this vulnerability to us.
Remediation
==============================================================
The following patch is provided for all open-vm-tools releases 11.0.0 through 12.3.0
https://github.com/vmware/open-vm-tools/blob/CVE-2023-34059.patch/CVE-2023-34059.patch
The patches have been tested against the above open-vm-tools releases. Each applies cleanly with:
git am for a git repository.
patch -p2 in the top directory of an open-vm-tools source tree.
--------------
Edward Hawkins
Staff-2 Technical Program Manager
security@...are.com<mailto:security@...are.com>
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