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MyDNS: Denial of Service


1.  Gentoo Linux Security Advisory

Version Information

Advisory Reference GLSA 200601-16 / MyDNS
Release Date January 30, 2006
Latest Revision January 30, 2006: 01
Impact normal
Exploitable remote
Package Vulnerable versions Unaffected versions Architecture(s)
net-dns/mydns < 1.1.0 >= 1.1.0 All supported architectures

Related bugreports: #119548


MyDNS contains a vulnerability that may lead to a Denial of Service attack.

2.  Impact Information


MyDNS is a DNS server using a MySQL database as a backend. It is designed to allow for fast updates and small resource usage.


MyDNS contains an unspecified flaw that may allow a remote Denial of Service.


An attacker could cause a Denial of Service by sending malformed DNS queries to the MyDNS server.

3.  Resolution Information


There is no known workaround at this time.


All MyDNS users should upgrade to the latest version:

Code Listing 3.1: Resolution

# emerge --sync
# emerge --ask --oneshot --verbose ">=net-dns/mydns-1.1.0"

4.  References


Page updated January 30, 2006

Summary: This is a Gentoo Linux Security Advisory

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