MyDNS DNS Query Denial Of Service Vulnerability

BID:16431

Info

MyDNS DNS Query Denial Of Service Vulnerability

Bugtraq ID: 16431
Class: Design Error
CVE: CVE-2006-0351
Remote: Yes
Local: No
Published: Jan 30 2006 12:00AM
Updated: Aug 24 2006 10:44PM
Credit: This issue was discovered by the PROTOS DNS Test Suite, which was developed by the Oulu University Secure Programming Group (OUSPG).
Vulnerable: MyDNS MyDNS 1.0
Gentoo Linux
Debian Linux 3.1 sparc
Debian Linux 3.1 s/390
Debian Linux 3.1 ppc
Debian Linux 3.1 mipsel
Debian Linux 3.1 mips
Debian Linux 3.1 m68k
Debian Linux 3.1 ia-64
Debian Linux 3.1 ia-32
Debian Linux 3.1 hppa
Debian Linux 3.1 arm
Debian Linux 3.1 amd64
Debian Linux 3.1 alpha
Debian Linux 3.1
Not Vulnerable: MyDNS MyDNS 1.1

Discussion

MyDNS DNS Query Denial Of Service Vulnerability

MyDNS is prone to a remote denial-of-service vulnerability. This issue is due to a failure in the application to properly handle DNS queries.

An attacker can exploit this issue to crash the affected service, effectively denying service to legitimate users.

The vendor has addressed this issue in version 1.1.0; earlier versions are reportedly vulnerable.

Exploit / POC

MyDNS DNS Query Denial Of Service Vulnerability

The PROTOS DNS Test Suite, which was developed by the Oulu University Secure Programming Group (OUSPG), may be used to trigger this issue.

Solution / Fix

MyDNS DNS Query Denial Of Service Vulnerability

Solution:
The vendor has released version 1.1.0 to address this issue. Contact the vendor for further information.

Debian has released advisory DSA 963-1 to address this issue. Please see the referenced advisory for more information.


MyDNS MyDNS 1.0

References

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