Cisco Email Security Appliance Email Scanner Denial of Service Vulnerability

A vulnerability in the email message filtering feature of Cisco AsyncOS for Cisco Email Security Appliance ESA could allow an unauthenticated, remote attacker to cause an ESA device to become unavailable due to a denial of service DoS condition. The vulnerability is due to improper input validati...

Sophos Anti-Virus 3.x - Reserved MS-DOS Name Scan Evasion

Sophos Anti-Virus 3.x - Reserved MS-DOS Name Scan Evasion source: https://www.securityfocus.com/bid/11236/info Sophos Anti-Virus is affected by a reserved MS-DOS name virus scan evasion vulnerability. This issue is due to a design error that allows certain files to avoid being scanned. An attacke...

Network Associates Webshield SMTP 4.5 - Invalid Outgoing Recipient Field Denial of Service

source: https://www.securityfocus.com/bid/1999/info Network Associates WebShield SMTP is an email virus scanner designed for internet gateways. In the event that WebShield SMTP receives an outgoing email containing six "%20" followed by any character within the recipient field, the application wi...