Nessus contains a flaw that allows a local user to create a denial of service to the scanner. The condition is due to a flaw in the Nessus Attack Scripting Language (NASL) engine when the "plugins_upload" option is enabled. A local attacker can provide a long "user" or "pass" argument to the ftp_log_in() function and cause the NASL to crash.
Classification
Attack Type:
Input Manipulation
Solution
Upgrade to version 2.0.6 or higher, as it has been reported to fix this vulnerability. An upgrade is required as there are no known workarounds.