Stack-based buffer overflow in V-Server and V-Server Lite - CVE-2023-31239
Published: June 8, 2023
Vulnerability identifier: #VU77089
CSH Severity: High
CVSS v4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2023-31239
CWE-ID: CWE-121
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. A remote unauthenticated attacker can trick a victim to open a specially crafted VPR file, trigger stack-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
V-Server
V-Server Lite
V-Server Lite
How to mitigate CVE-2023-31239
Install updates from vendor's website.
V-Server - update to 4.0.17.0
V-Server Lite - update to 4.0.17.0
V-Server Lite - update to 4.0.17.0