SB2017092103 - Denial of service in Cisco Email Security Appliance
Published: September 21, 2017
Security Bulletin ID
SB2017092103
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Resource exhaustion (CVE-ID: CVE-2017-12215)
The vulnerability allows a remote attacker to cause DoS condition on the target system.The weakness exists in the email message filtering feature of Cisco AsyncOS Software for the Cisco Email Security Appliance improper validation of user-supplied input. A remote attacker can send a specially crafted email message with an attachment that contains corrupted fields, consume all available memory and cause the AsyncOS filtering process to crash and restart.
Successful exploitation of the vulnerability results in denial of service.
Remediation
Install update from vendor's website.