Blahz-DNS could allow a remote attacker to bypass authentication
| blahzdns-auth-bypass (8951) |  Medium Risk |
Description:
Blahz-DNS could allow a remote attacker to bypass authentication and modify DNS entries. A remote attacker can access PHP scripts directly, bypassing the login page, to gain administrator access to Blahz-DNS. An attacker could use this vulnerability to prepare for future attacks against the affected network.
Platforms Affected:
- Mike Roest, Blahz-DNS 0.2 and prior
Remedy:
Upgrade to the latest version of Blahz-DNS (0.25 or later), available from the Freshmeat Web site. See References.
Consequences:
Bypass Security
References:
- BugTraq Mailing List, Sun Apr 28 2002 - 15:59:52 CDT, Blahz-DNS: Authentication bypass vulnerability at http://archives.neohapsis.com/archives/bugtraq/2002-04/0395.html.
- Freshmeat Web site, freashmeat.net: Project details for Blahz-DNS at http://freshmeat.net/projects/blahzdns/?topic_id=149.
- SourceForge.net, Project: Blahz-DNS: Release Notes at http://sourceforge.net/project/shownotes.php?release_id=87004.
- BID-4618: Blahz-DNS Direct Script Call Authentication Bypass Vulnerability
- CVE-2002-0599: Blahz-DNS 0.2 and earlier allows remote attackers to bypass authentication and modify configuration by directly requesting CGI programs such as dostuff.php instead of going through the login screen.
- OSVDB ID: 5178: Blahz-DNS dostuff.php Authentication Bypass
- US-CERT VU#186131: Blahz-DNS does not properly authenticate users before granting access to various configuration pages
Reported:
Apr 28, 2002
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