SB2021060123 - Buffer overflow in Fortinet FortiProxy
Published: June 1, 2021
Security Bulletin ID
SB2021060123
Severity
Medium
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-2021-22130)
The vulnerability allows a remote user to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error in FortiProxy physical appliance CLI. A remote authenticated user can run the `diagnose sys cpuset` with a large cpuset mask value, trigger stack-based buffer overflow and execute arbitrary code on the target system.
Remediation
Install update from vendor's website.