Vulnerability identifier: #VU53717
Vulnerability risk: Medium
CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-121
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
FortiProxy
Hardware solutions /
Routers & switches, VoIP, GSM, etc
Vendor: Fortinet, Inc
Description
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.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
FortiProxy: 2.0.0 - 2.0.1, 1.2.0 - 1.2.9, 1.1.0 - 1.1.6, 1.0.0 - 1.0.7
External links
http://www.fortiguard.com/psirt/FG-IR-21-006
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.