SB2023071176 - Remote code execution in FortiOS and FortiProxy in deep inspection mode
Published: July 11, 2023
Security Bulletin ID
SB2023071176
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) Stack-based buffer overflow (CVE-ID: CVE-2023-33308)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error when processing specially crafted packets. A remote unauthenticated attacker can send specially crafted packets to the device having proxy policies or firewall policies with proxy mode alongside SSL deep packet inspection, trigger a stack-based buffer overflow and execute arbitrary code on the target system.
Remediation
Install update from vendor's website.