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[USN-7714-1] Open VM Tools vulnerabilities

Posted on 01 September 2025
Ubuntu Security

==========================================================================Ubuntu Security Notice USN-7714-1
August 24, 2025

open-vm-tools vulnerabilities
==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 14.04 LTS

Summary:

Several security issues were fixed in Open VM Tools.

Software Description:
- open-vm-tools: Open VMware Tools for virtual machines hosted on VMware

Details:

Matthias Gerstner discovered that Open VM Tools incorrectly handled file
descriptors when dropping privileges. A local attacker could possibly use
this issue to hijack /dev/uinput and simulate user inputs. (CVE-2023-34059)

Dolev Farhi discovered that Open VM Tools incorrectly handled certain file
permissions. A local attacker could possibly use this issue to setup a
symlink
attack and override files without authorization. (CVE-2014-4199)

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 14.04 LTS
open-vm-tools 2:9.4.0-1280544-5ubuntu6.4+esm1
Available with Ubuntu Pro
open-vm-tools-desktop 2:9.4.0-1280544-5ubuntu6.4+esm1
Available with Ubuntu Pro

In general, a standard system update will make all the necessary changes.

References:
https://ubuntu.com/security/notices/USN-7714-1
CVE-2014-4199, CVE-2023-34059

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