#VU17231 Format string error in FortiOS - CVE-2018-1352

 

#VU17231 Format string error in FortiOS - CVE-2018-1352

Published: January 28, 2019


Vulnerability identifier: #VU17231
Vulnerability risk: High
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2018-1352
CWE-ID: CWE-134
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
FortiOS
Software vendor:
Fortinet, Inc

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a format string error when processing supplied username within the SSH server. A remote attacker can supply a specially crafted username that contains format string specifiers, trigger memory corruption and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


Remediation

Install updates from vendor's website.

External links