Title: WebCalendar Login Error Message User Account Enumeration
Info
Disclosure
May 04, 2006
Discovery
Unknown
Dates
Exploit
May 04, 2006
Solution
Unknown
Description
WebCalendar contains a flaw that may lead to an unauthorized information disclosure. The issue is triggered when invalid credentials are provided to the application. The application responds with different messages to valid and invalid user name/password combinations, allowing an attacker to enumerate valid user names and resulting in a loss of confidentiality.
Classification
Location:
Remote / Network Access
Attack Type:
Information Disclosure
Impact:
Loss of Confidentiality
Exploit:
Exploit Public
Disclosure:
OSVDB Verified
OSVDB:
Web Related
Solution
Upgrade to upcoming version 1.1, as the vendor has announced that it will fix this vulnerability. An upgrade will required as there are no known workarounds.