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osvGoogleOSV:USN-6463-2
HistoryDec 06, 2023 - 9:43 a.m.

open-vm-tools vulnerabilities

2023-12-0609:43:32
Google
osv.dev
6
open vm tools
vulnerabilities
ubuntu 16.04 lts
ubuntu 18.04 lts
saml tokens
privilege escalation
file descriptors

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 High

AI Score

Confidence

Low

0.001 Low

EPSS

Percentile

45.0%

USN-6463-1 fixed vulnerabilities in Open VM Tools. This update provides
the corresponding updates for Ubuntu 16.04 LTS and Ubuntu 18.04 LTS.

Original advisory details:

It was discovered that Open VM Tools incorrectly handled SAML tokens. A
remote attacker with Guest Operations privileges could possibly use this
issue to elevate their 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 High

AI Score

Confidence

Low

0.001 Low

EPSS

Percentile

45.0%