Buffer overflow in FortiSandbox



Published: 2021-10-05
Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2021-26105
CWE-ID CWE-121
Exploitation vector Network
Public exploit N/A
Vulnerable software
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FortiSandbox
Server applications / DLP, anti-spam, sniffers

Vendor Fortinet, Inc

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Stack-based buffer overflow

EUVDB-ID: #VU57070

Risk: Medium

CVSSv3.1:

CVE-ID: CVE-2021-26105

CWE-ID: CWE-121 - Stack-based Buffer Overflow

Exploit availability: No

Description

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.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

FortiSandbox: 3.1.0 - 4.0.0


CPE2.3 External links

http://www.fortiguard.com/psirt/FG-IR-20-234

Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?



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