1. Symantec-Broadcom-Horizontal/
  2. Security Response/
  3. Attack Signatures/
  4. Attack: CommuniCrypt Mail AddAttachments

Attack: CommuniCrypt Mail AddAttachments

Severity: High

This attack could pose a serious security threat. You should take immediate action to stop any damage or prevent further damage from happening.


This signature detects attempt to a stack overflow vulnerability in CommuniCrypt Mail application.

Additional Information

CommuniCrypt Mail is a standalone email client with built-in asymmetric Public-Key-Encryption with RSA encryption algorithm (RSAES-OAEP).

The application is prone a stack overflow vulnerability because it fails to sanitize user-supplied input passed to AddAttachments() function.

Successfully exploiting this issue may allow remote attackers to execute arbitrary code with SYSTEM-level privileges. Successful exploits will completely compromise affected computers. Failed exploit attempts will result in a denial-of-service condition.


  • CommuniCrypt Mail 1.16. Prior versions may also be affected.


Vendor has issued an update to resolve this issue. Please visit the vendor's website for further details.
  • Twitter
  • Facebook
  • LinkedIn
  • Google+
  • YouTube