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 buffer overflow error in IBM Lotus Notes Applix Viewer application.
Autonomy KeyView Filter is a component used in multiple applications. It adds filtering, viewing, and exporting of documents to web-ready HTML or valid XML.
Autonomy KeyView is prone to a stack-based buffer-overflow vulnerability when processing tag information in an Applix document.
An attacker can exploit this issue by enticing an unsuspecting victim to open a malicious file or email attachment.
Successful exploits can allow attackers to execute arbitrary code with the privileges of the user running the application. Failed exploit attempts will result in a denial-of-service condition.
NOTE: This issue was previously discussed in BID 47962 (IBM Lotus Notes Attachment Handling Multiple Buffer Overflow Vulnerabilities) but has been given its own record to better document it.
Vendor has issued an update to fix this issue. Please see the vendor's website for further details.