Denial of service in Cisco Email Security Appliance - CVE-2016-6358

 

Denial of service in Cisco Email Security Appliance - CVE-2016-6358

Published: October 27, 2016 / Updated: April 5, 2018


Vulnerability identifier: #VU1087
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2016-6358
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Cisco Systems, Inc
Affected software:
Cisco Email Security Appliance

Detailed vulnerability description

The vulnerability allows a remote unauthenticated user to cause DoS conditions on the target system.
The weakness is due to input validation flaw. By connecting to the FTP service and sending a specially crafted parameters, a remote attacker can trigger the target FTP service to crash.
Successful exploitation of the vulnerability results in denial of service on the vulnerable system.

How to mitigate CVE-2016-6358

Update to version 9.1.1-038.

Sources