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 a malformed Content-Length header with a negative value.
Web servers expects an integer for the client Content-Length value. Encountering a negative number will result in a denial-of-service attack, or possible buffer overflow conditions, potentially allow remote attackers to execute arbitrary code.
- Savant Savant Webserver 3.1
Upgrade to the latest version of affected product(s)
Symantec AntiVirus Scan Engine 4.3.12