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ubuntuUbuntuUSN-6463-1
HistoryOct 31, 2023 - 12:00 a.m.

Open VM Tools vulnerabilities

2023-10-3100:00:00
ubuntu.com
21
ubuntu 23.10
ubuntu 23.04
ubuntu 22.04 lts
ubuntu 20.04 lts
open-vm-tools
saml tokens
guest operations privileges
cve-2023-34058
matthias gerstner
file descriptors
/dev/uinput
user inputs
cve-2023-34059

7.5 High

CVSS3

Attack Vector

ADJACENT

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

7.6 High

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

45.0%

Releases

  • Ubuntu 23.10
  • Ubuntu 23.04
  • Ubuntu 22.04 LTS
  • Ubuntu 20.04 LTS

Packages

  • open-vm-tools - Open VMware Tools for virtual machines hosted on VMware

Details

It was discovered that Open VM Tools incorrectly handled SAML tokens. A
remote attacker Guest Operations privileges could possibly use this issue
to escalate privileges. (CVE-2023-34058)

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)

7.5 High

CVSS3

Attack Vector

ADJACENT

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

7.6 High

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

45.0%