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.
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.