The msfweb component of the Metasploit Framework contains a flaw that allows a remote attacker to bypass "defanged mode" security restrictions. The issue is due to a logic error in the msfweb server, allowing a remote user to overwrite the internal "_Defanged" environment variable before the security check is performed.
Classification
Location:
Remote / Network Access
Attack Type:
Input Manipulation
Impact:
Loss of Confidentiality,
Loss of Integrity,
Loss of Availability
Exploit:
Exploit Unknown
Disclosure:
OSVDB Verified
Solution
Upgrade to version 2.4-current or higher, as it has been reported to fix this vulnerability. An upgrade is required as there are no known workarounds.