Denial of service in Cisco Email Security Appliance and Cisco AsyncOS for Cisco Email Security Appliance - CVE-2016-1481
Published: October 27, 2016 / Updated: April 5, 2018
Vulnerability identifier: #VU1080
CSH Severity: Low
CVSS v4: 8.7 [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]
CVE-ID: CVE-2016-1481
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote unauthenticated user to cause memory exhaustion on the target system.
The weakness is due to insufficient validation if input data. By sending email message with a specially crafted Design (DGN) file attachment, attackers can consume excessive memory during message filtering, causing the process to restart.
Successful exploitation of the vulnerability may lead to denial of service on the vulnerable system.
The weakness is due to insufficient validation if input data. By sending email message with a specially crafted Design (DGN) file attachment, attackers can consume excessive memory during message filtering, causing the process to restart.
Successful exploitation of the vulnerability may lead to denial of service on the vulnerable system.
Affected software
Cisco Email Security Appliance
Cisco AsyncOS for Cisco Email Security Appliance
Cisco AsyncOS for Cisco Email Security Appliance
How to mitigate CVE-2016-1481
Update to version 9.1.1-038, 9.7.1-066, 10.0.0-124.