Heap-based buffer overflow in vCenter Server - CVE-2023-20892
Published: June 22, 2023
Vulnerability identifier: #VU77635
CSH Severity: High
CVSS v4: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2023-20892
CWE-ID: CWE-122
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error within the DCERPC protocol implementation. A remote attacker can send specially crafted packets to the server, trigger a heap-based buffer overflow and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Affected software
vCenter Server
Dell EMC VxRail Appliance
Dell EMC VxRail Appliance
How to mitigate CVE-2023-20892
Install updates from vendor's website.
vCenter Server - addressed in versions 7.0 U3m, 8.0 U1b
Dell EMC VxRail Appliance - update to 8.0.101
Dell EMC VxRail Appliance - update to 8.0.101