Stack-based buffer overflow in SonicOS - CVE-2023-0656
Published: March 2, 2023 / Updated: January 18, 2024
Vulnerability identifier: #VU72720
CSH Severity: Medium
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2023-0656
CWE-ID: CWE-121
Exploitation vector: Remote access
Exploit availability:
Public exploit is available
Vulnerability details
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a boundary error within the web management interface of SonicWall FireWalls. A remote unauthenticated attacker can send specially crafted request to the system, trigger a stack-based buffer overflow and perform a denial of service (DoS) attack.
Affected software
SonicOS
How to mitigate CVE-2023-0656
Install updates from vendor's website.
SonicOS - update to 7.0.1-5111