Blahz-DNS Direct Script Call Authentication Bypass Vulnerability

BID:4618

Info

Blahz-DNS Direct Script Call Authentication Bypass Vulnerability

Bugtraq ID: 4618
Class: Access Validation Error
CVE:
Remote: Yes
Local: No
Published: Apr 28 2002 12:00AM
Updated: Apr 28 2002 12:00AM
Credit: Discovered by ppp-design <[email protected]>.
Vulnerable: Blahz-DNS Blahz-DNS 0.2
Not Vulnerable: Blahz-DNS Blahz-DNS 0.25

Discussion

Blahz-DNS Direct Script Call Authentication Bypass Vulnerability

Blahz-DNS is a web based management tool for DNS information. It is implemented in PHP, and available for Linux systems.

By directly calling scripts included with Blahz-DNS, it is possible to bypass the authentication check, gaining full access to the Blahz-DNS tool.

Exploit / POC

Blahz-DNS Direct Script Call Authentication Bypass Vulnerability

ppp-design <[email protected]> has contributed the following exploit:

http://www.example.com/dostuff.php?action=modify_user

Solution / Fix

Blahz-DNS Direct Script Call Authentication Bypass Vulnerability

Solution:
An updated version is also available:


Blahz-DNS Blahz-DNS 0.2

References

Blahz-DNS Direct Script Call Authentication Bypass Vulnerability

References:

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