SB2023112374 - Red Hat Enterprise Linux 7 update for open-vm-tools

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Main Vulnerability Database SB2023112374

SB2023112374 - Red Hat Enterprise Linux 7 update for open-vm-tools

Published: November 23, 2023

Security Bulletin ID SB2023112374
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Adjecent network
Highest impact Code execution

Breakdown by Severity

Medium 50% Low 50%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 vulnerabilities.


1) Improper Authorization (CVE-ID: CVE-2023-34058)

CWE-ID: CWE-285 - Improper Authorization

CVSSv4: CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green


The vulnerability allows a remote attacker to compromise the affected system.

The vulnerability exists due to an error when handling SAML token signature. A remote attacker that has been granted Guest Operation Privileges in a target virtual machine may be able to elevate their privileges if that target virtual machine has been assigned a more privileged Guest Alias.


2) Improper access control (CVE-ID: CVE-2023-34059)

CWE-ID: CWE-284 - Improper Access Control

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a local attacker to gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to improper access restrictions in the vmware-user-suid-wrapper. A local attacker can hijack the /dev/uinput file descriptor allowing them to simulate user inputs.


Remediation

Install update from vendor's website.

References