Stack-based buffer overflow in FortiSandbox - CVE-2021-26105
Published: October 5, 2021
Vulnerability identifier: #VU57070
CSH Severity: Medium
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-26105
CWE-ID: CWE-121
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error in the profile parser of FortiSandbox when processing HTTP requests. A remote authenticated user can send a specially crafted HTTP request, trigger stack-based buffer overflow and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Affected software
FortiSandbox
How to mitigate CVE-2021-26105
Install updates from vendor's website.
FortiSandbox - addressed in versions 3.2.3, 4.0.1