Resource exhaustion in SonicOS - CVE-2022-22275
Published: April 27, 2022
Vulnerability identifier: #VU62656
CSH Severity: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2022-22275
CWE-ID: CWE-400
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
SonicOS
SonicOS
Software vendor:
SonicWall
SonicWall
Description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to incorrect processing of HTTP/S inbound traffic from WAN to DMZ. A remote attacker can bypass security policy until TCP handshake is complete and perform a denial of service (DoS) attack, if the target application is vulnerable to a denial of service.
Remediation
Install updates from vendor's website.