Ultrix contains a flaw that may lead to an unauthorized information disclosure. The issue is triggered when fingering the host using an extra @ symbol, which will disclose user list information to a remote attacker.
Classification
Location:
Remote / Network Access
Attack Type:
Information Disclosure
Impact:
Loss of Confidentiality
Solution:
Workaround
Exploit:
Exploit Public
Disclosure:
Uncoordinated Disclosure
Solution
Currently, there are no known upgrades or patches to correct this vulnerability. It is possible to temporarily work around the flaw by implementing the following workaround: disable the finger service.
