ikiwiki openid and passwordauth plugins authentication bypass
| ikiwiki-openid-passwordauth-auth-bypass (42798) |  Medium Risk |
Description:
ikiwiki could allow a remote attacker to bypass authentication restrictions, caused by an error in the openid and passwordauth plugins. By logging into the application using a known openid that has previously been logged into without the password being set, an attacker could exploit this vulnerability using an empty password to gain unauthorized access to the application.
Platforms Affected:
- ikiwiki, ikiwiki 2.47 and prior
Remedy:
Upgrade to the latest version of ikiwiki (2.48 or later), available from the ikiwiki Web site. See References.
Consequences:
Bypass Security
References:
- Debian Bug report logs - #483770, ikiwiki openid + passwordauth empty password security hole at http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=483770.
- ikiwiki security, Sat, 31 May 2008 20:16:27 -0400, Empty password security hole at http://ikiwiki.info/security/#index33h2.
- ikiwiki Web site, download at http://ikiwiki.info/download/.
- BID-29479: ikiwiki Blank Password Authentication Bypass Vulnerability
- CVE-2008-0169: Plugin/passwordauth.pm (aka the passwordauth plugin) in ikiwiki 1.34 through 2.47 allows remote attackers to bypass authentication, and login to any account for which an OpenID identity is configured and a password is not configured, by specifying an empty password during the login sequence.
- SA30468: ikiwiki Empty Passwords Security Issue
- VUPEN/ADV-2008-1710: ikiwiki Openid and Passwordauth Plugins Empty Password Vulnerability
Reported:
May 31, 2008
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