SB2024020901 - Remote code execution in FortiOS SSL-VPN
Published: February 9, 2024 Updated: December 6, 2024
Security Bulletin ID
SB2024020901
Severity
Critical
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Out-of-bounds write (CVE-ID: CVE-2024-21762)
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a boundary error when processing HTTP requests in sslvpnd. A remote attacker can send specially crafted HTTP requests to the SSL-VPN service, trigger an out-of-bounds write and execute arbitrary code on the target system.
Note, the vulnerability is being actively exploited in the wild.
Remediation
Install update from vendor's website.