Lucene search

K
amazonAmazonALAS2-2023-2250
HistorySep 13, 2023 - 11:44 p.m.

Important: open-vm-tools

2023-09-1323:44:00
alas.aws.amazon.com
17
vmware
saml token
signature bypass
vulnerability
amazon linux 2
update
security advisory
red hat
mitre
cve-2023-20900

CVSS3

7.5

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

AI Score

7.5

Confidence

High

EPSS

0.001

Percentile

34.9%

Issue Overview:

VMware Tools contains a SAML token signature bypass vulnerability. A malicious actor with man-in-the-middle (MITM) network positioning between vCenter server and the virtual machine may be able to bypass SAML token signature verification, to perform VMware Tools Guest Operations. (CVE-2023-20900)

Affected Packages:

open-vm-tools

Note:

This advisory is applicable to Amazon Linux 2 (AL2) Core repository. Visit this FAQ section for the difference between AL2 Core and AL2 Extras advisories.

Issue Correction:
Run yum update open-vm-tools to update your system.

New Packages:

aarch64:  
    open-vm-tools-12.3.0-1.amzn2.aarch64  
    open-vm-tools-desktop-12.3.0-1.amzn2.aarch64  
    open-vm-tools-sdmp-12.3.0-1.amzn2.aarch64  
    open-vm-tools-devel-12.3.0-1.amzn2.aarch64  
    open-vm-tools-test-12.3.0-1.amzn2.aarch64  
    open-vm-tools-debuginfo-12.3.0-1.amzn2.aarch64  
  
src:  
    open-vm-tools-12.3.0-1.amzn2.src  
  
x86_64:  
    open-vm-tools-12.3.0-1.amzn2.x86_64  
    open-vm-tools-desktop-12.3.0-1.amzn2.x86_64  
    open-vm-tools-sdmp-12.3.0-1.amzn2.x86_64  
    open-vm-tools-salt-minion-12.3.0-1.amzn2.x86_64  
    open-vm-tools-devel-12.3.0-1.amzn2.x86_64  
    open-vm-tools-test-12.3.0-1.amzn2.x86_64  
    open-vm-tools-debuginfo-12.3.0-1.amzn2.x86_64  

Additional References

Red Hat: CVE-2023-20900

Mitre: CVE-2023-20900

CVSS3

7.5

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

AI Score

7.5

Confidence

High

EPSS

0.001

Percentile

34.9%