CVE-2005-0877: High severity Dnsmasq Dnsmasq vulnerability

Published Mar 26, 2005
·
Updated

Dnsmasq before 2.21 allows remote attackers to poison the DNS cache via answers to queries that were not made by Dnsmasq.

Affected Software

22 affected components
Dnsmasq Dnsmasq=2.14
Dnsmasq Dnsmasq=2.0
Dnsmasq Dnsmasq=2.6
Dnsmasq Dnsmasq=2.19
Dnsmasq Dnsmasq=2.12
Dnsmasq Dnsmasq=2.3
Dnsmasq Dnsmasq=2.8
Dnsmasq Dnsmasq=2.17
Dnsmasq Dnsmasq=2.5
Dnsmasq Dnsmasq=2.9
Dnsmasq Dnsmasq=2.18
Dnsmasq Dnsmasq=2.20
Dnsmasq Dnsmasq=2.11
Dnsmasq Dnsmasq=2.7
Dnsmasq Dnsmasq=2.16
Dnsmasq Dnsmasq=2.15
Dnsmasq Dnsmasq=2.2
Dnsmasq Dnsmasq=2.1
Dnsmasq Dnsmasq=2.4
Dnsmasq Dnsmasq=2.13
Dnsmasq Dnsmasq=2.10
thekelleys dnsmasq<2.21

Event History

Mar 26, 2005
CVE Published
via MITRE·10:00 AM
Data Sourced
via MITRE·10:00 AM
Description
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Frequently Asked Questions

1

What is the severity of CVE-2005-0877?

CVE-2005-0877 is considered a medium-level vulnerability as it allows remote attackers to poison the DNS cache.

2

How do I fix CVE-2005-0877?

You can fix CVE-2005-0877 by upgrading Dnsmasq to version 2.21 or later.

3

What versions of Dnsmasq are affected by CVE-2005-0877?

CVE-2005-0877 impacts all Dnsmasq versions prior to 2.21.

4

What are the potential impacts of CVE-2005-0877?

The potential impacts of CVE-2005-0877 include DNS cache poisoning, which can lead to users being directed to malicious sites.

5

Is there a workaround for CVE-2005-0877 if I cannot upgrade Dnsmasq?

If upgrading is not possible, you may configure Dnsmasq to minimize the attack surface by limiting source IPs and implementing upstream DNS security.

Contact

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