Vulnerability Bulletins

Cisco Email Security Appliance Anti-Spam Scanner Bypass Vulnerability

   
Affected software Cisco
 
A vulnerability in the anti-spam scanner of Cisco AsyncOS for Cisco Email Security Appliance (ESA) could allow an unauthenticated, remote attacker to bypass the anti-spam functionality of the ESA.The vulnerability is due to improper error handling of a malformed packet in the anti-spam scanner. An attacker could exploit this vulnerability by sending a crafted DNS Sender Policy Framework (SPF) text record. A successful exploit could allow the attacker to bypass the anti-spam scanner and generate

More info:

http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20150612-esa?vs_f=Cisco%20Security%20Advisory&vs_cat=Security%20Intelligence&vs_type=RSS&vs_p=Cisco%20Email%20Security%20Appliance%20Anti-Spam%20Scanner%20Bypass%20Vulnerab