NULL pointer dereference in FortiProxy and FortiOS - CVE-2022-29055

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Main Vulnerability Database Vulnerabilities #VU68099

NULL pointer dereference in FortiProxy and FortiOS - CVE-2022-29055

Published: October 10, 2022


Vulnerability identifier: #VU68099
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-2022-29055
CWE-ID: CWE-476
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a NULL pointer dereference error within the SSL VPN portal. A remote attacker can send a specially crafted HTTP GET request to the system and crash the sslvpn daemon.


Affected software

FortiProxy
FortiOS

How to mitigate CVE-2022-29055

Install updates from vendor's website.

FortiProxy - addressed in versions 2.0.10, 7.0.7, 7.2.1
FortiOS - addressed in versions 6.0.15, 6.2.11, 6.4.10, 7.0.7, 7.2.2

External References

Related Security Bulletins