Out-of-bounds read in vCenter Server - CVE-2023-20895

 

Out-of-bounds read in vCenter Server - CVE-2023-20895

Published: June 22, 2023


Vulnerability identifier: #VU77638
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2023-20895
CWE-ID: CWE-125
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: VMware, Inc
Affected software:
vCenter Server

Detailed vulnerability description

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to a boundary condition in DCERPC protocol implementation. A remote attacker can send specially crafted traffic to the server to trigger an out-of-bounds read error and read contents of memory on the system. The obtain information can be used to bypass authentication process and compromise the system.


How to mitigate CVE-2023-20895

Install updates from vendor's website.

Sources