SB2021090714 - Buffer overflow in FortiWeb
Published: September 7, 2021
Security Bulletin ID
SB2021090714
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Adjecent network
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Stack-based buffer overflow (CVE-ID: CVE-2021-36179)
CWE-ID: CWE-121 - Stack-based buffer overflow
CVSSv4: CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
The vulnerability allows a remote user to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error in FortiWeb CLI interface. A remote user can trigger a stack-based buffer overflow and execute unauthorized code or commands via `config backup` arguments.
Remediation
Install update from vendor's website.