CVE-2009-1491

Summary

McAfee GroupShield for Microsoft Exchange on Exchange Server 2000, and possibly other anti-virus or anti-spam products from McAfee or other vendors, does not scan X- headers for malicious content, which allows remote attackers to bypass virus detection via a crafted message, as demonstrated by a message with an X-Testing header and no message body.

Impact & exploitability

AV:N/AC:M/Au:N/C:C/I:C/A:C

Affected products we track (1)

Recommendation

Apply the vendor fix promptly. Open any affected product above for its exact safe version.

Additional information

• NVD record
• https://exchange.xforce.ibmcloud.com/vulnerabilities/50354
• http://www.nmrc.org/~thegnome/blog/apr09/Exploit