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.
*CVSS:
| Base Score: | 5.8 |
| Access Vector: | Network |
| Access Complexity: | Medium |
| Authentication: | None |
| Confidentiality Impact: | Partial |
| Integrity Impact: | Partial |
| Availability Impact: | None |
| Temporal Score: | 4.3 |
| Exploitability: | Unproven |
| Remediation Level: | Official-Fix |
| Report Confidence: | Confirmed |
Consequences:
Bypass Security
Remedy:
Upgrade to the latest version of ikiwiki (2.48 or later), available from the ikiwiki Web site. See References.
References:
- Debian Bug report logs - #483770: ikiwiki openid + passwordauth empty password security hole.
- ikiwiki security, Sat, 31 May 2008 20:16:27 -0400: Empty password security hole.
- ikiwiki Web site: 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
Platforms Affected:
- ikiwiki ikiwiki 2.47
Reported:
May 31, 2008
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The information within this database may change without notice. Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. In no event shall IBM be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.