Executive Summary

Summary
Title PowerDNS: Denial of Service
Informations
Name GLSA-201202-04 First vendor Publication 2012-02-22
Vendor Gentoo Last vendor Modification 2012-02-22
Severity (Vendor) Normal Revision N/A

Security-Database Scoring CVSS v3

Cvss vector : N/A
Overall CVSS Score NA
Base Score NA Environmental Score NA
impact SubScore NA Temporal Score NA
Exploitabality Sub Score NA
 
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:L/Au:N/C:N/I:N/A:P)
Cvss Base Score 5 Attack Range Network
Cvss Impact Score 2.9 Attack Complexity Low
Cvss Expoit Score 10 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

Synopsis

A vulnerability in PowerDNS could allow a remote attacker to create a Denial of Service condition.

Background

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

Description

A vulnerability has been found in PowerDNS which could cause a packet loop of DNS responses.

Impact

A remote attacker could send specially crafted DNS response packets, possibly resulting in a Denial of Service condition.

Workaround

PowerDNS users can set "cache-ttl=0" in /etc/powerdns/pdns.conf and then restart the PowerDNS daemon:

# /etc/init.d/pdns restart

Please review the PowerDNS Security Advisory below for more workaround details.

Resolution

All PowerDNS users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=net-dns/pdns-3.0.1"

References

[ 1 ] CVE-2012-0206 : http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-0206
[ 2 ] PowerDNS Security Advisory 2012-01
http://doc.powerdns.com/powerdns-advisory-2012-01.html

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website:

http://security.gentoo.org/glsa/glsa-201202-04.xml

Original Source

Url : http://security.gentoo.org/glsa/glsa-201202-04.xml

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-399 Resource Management Errors

OVAL Definitions

Definition Id: oval:org.mitre.oval:def:14701
 
Oval ID: oval:org.mitre.oval:def:14701
Title: DSA-2385-1 pdns -- packet loop
Description: Ray Morris discovered that the PowerDNS authoritative sever responds to response packets. An attacker who can spoof the source address of IP packets can cause an endless packet loop between a PowerDNS authoritative server and another DNS server, leading to a denial of service.
Family: unix Class: patch
Reference(s): DSA-2385-1
CVE-2012-0206
 Version: 5
Platform(s): Debian GNU/Linux 5.0
Debian GNU/Linux 6.0
Debian GNU/kFreeBSD 6.0
 Product(s): pdns
Definition Synopsis:

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 4

OpenVAS Exploits

Date Description
2012-04-02 Name : Fedora Update for pdns FEDORA-2012-0263
File : nvt/gb_fedora_2012_0263_pdns_fc16.nasl
2012-03-12 Name : Gentoo Security Advisory GLSA 201202-04 (pdns)
File : nvt/glsa_201202_04.nasl
2012-02-13 Name : Fedora Update for pdns FEDORA-2012-1207
File : nvt/gb_fedora_2012_1207_pdns_fc15.nasl
2012-02-12 Name : FreeBSD Ports: powerdns, powerdns-devel
File : nvt/freebsd_powerdns1.nasl
2012-02-11 Name : Debian Security Advisory DSA 2385-1 (pdns)
File : nvt/deb_2385_1.nasl
2012-01-11 Name : PowerDNS Authoritative Server Remote Denial of Service Vulnerability
File : nvt/gb_powerdns_51355.nasl

Open Source Vulnerability Database (OSVDB)

Id Description
78251 PowerDNS Infinite Loop Response Packet Parsing Remote DoS

Nessus® Vulnerability Scanner

Date Description
2014-06-13 Name : The remote openSUSE host is missing a security update.
File : openSUSE-2012-85.nasl - Type : ACT_GATHER_INFO
2014-06-13 Name : The remote openSUSE host is missing a security update.
File : suse_11_4_pdns-120203.nasl - Type : ACT_GATHER_INFO
2012-02-23 Name : The remote Gentoo host is missing one or more security-related patches.
File : gentoo_GLSA-201202-04.nasl - Type : ACT_GATHER_INFO
2012-02-13 Name : The remote Fedora host is missing a security update.
File : fedora_2012-1207.nasl - Type : ACT_GATHER_INFO
2012-01-19 Name : The remote Fedora host is missing a security update.
File : fedora_2012-0263.nasl - Type : ACT_GATHER_INFO
2012-01-17 Name : The remote name server may be affected by a denial of service vulnerability.
File : powerdns_3_0_1.nasl - Type : ACT_GATHER_INFO
2012-01-13 Name : The remote FreeBSD host is missing one or more security-related updates.
File : freebsd_pkg_3338f87c3d5f11e1a00a000c6eb41cf7.nasl - Type : ACT_GATHER_INFO
2012-01-12 Name : The remote Debian host is missing a security-related update.
File : debian_DSA-2385.nasl - Type : ACT_GATHER_INFO

Alert History

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0
Date Informations
2014-02-17 11:37:11
  • Multiple Updates