GLSA 200502-15: PowerDNS: Denial of Service vulnerability

http://security.gentoo.org/

Severity:	normal
Title:	PowerDNS: Denial of Service vulnerability
Date:	02/13/2005
Bugs:	#80713
ID:	200502-15

Synopsis

A vulnerability in PowerDNS could lead to a temporary Denial of Service.

Background

The PowerDNS Nameserver is an authoritative-only nameserver which uses a flexible backend architecture.

Affected packages

Package	Vulnerable	Unaffected	Architecture(s)
net-dns/pdns	< 2.9.17	>= 2.9.17	All supported architectures

Description

A vulnerability has been reported in the DNSPacket::expand method of dnspacket.cc.

Impact

An attacker could cause a temporary Denial of Service by sending a random stream of bytes to the PowerDNS Daemon.

Workaround

There is no known workaround at this time.

Resolution

All PowerDNS users should upgrade to the latest version:

    # emerge --sync
    # emerge --ask --oneshot --verbose ">=net-dns/pdns-2.9.17"

References

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: http://security.gentoo.org/glsa/glsa-200502-15.xml

Concerns?

Security is a primary focus of Gentoo Linux and ensuring the confidentiality and security of our users machines is of utmost importance to us. Any security concerns should be addressed to security@gentoo.org or alternatively, you may file a bug at https://bugs.gentoo.org.