CVE-2023-34048

critical

Description

vCenter Server contains an out-of-bounds write vulnerability in the implementation of the DCERPC protocol. A malicious actor with network access to vCenter Server may trigger an out-of-bounds write potentially leading to remote code execution.

References

https://www.bleepingcomputer.com/news/security/critical-rce-bug-in-vmware-vcenter-server-now-exploited-in-attacks/

https://www.bleepingcomputer.com/news/security/vmware-fixes-bad-patch-for-critical-vcenter-server-rce-flaw/

https://www.bleepingcomputer.com/news/security/broadcom-fixes-critical-rce-bug-in-vmware-vcenter-server/

https://cloud.google.com/blog/topics/threat-intelligence/uncovering-unc3886-espionage-operations

https://storage.googleapis.com/gweb-uniblog-publish-prod/documents/Year_in_Review_of_ZeroDays.pdf

https://meterpreter.org/cve-2023-34048-inside-the-zero-day-vulnerability-exploited-by-unc3886/

https://www.bleepingcomputer.com/news/security/vmware-confirms-critical-vcenter-flaw-now-exploited-in-attacks/

https://www.bleepingcomputer.com/news/security/chinese-hackers-exploit-vmware-bug-as-zero-day-for-two-years/

https://www.theregister.com/2023/10/25/vmware_vcenter_critical_flaw/

https://www.vmware.com/security/advisories/VMSA-2023-0023.html

Details

Source: Mitre, NVD

Published: 2023-10-25

Updated: 2024-12-20

Risk Information

CVSS v2

Base Score: 10

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C

Severity: Critical

CVSS v3

Base Score: 9.8

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H