Dnsmasq Remote Denial of Service Vulnerability

BID:54353

Info

Dnsmasq Remote Denial of Service Vulnerability

Bugtraq ID: 54353
Class: Design Error
CVE: CVE-2012-3411
Remote: Yes
Local: No
Published: Jul 09 2012 12:00AM
Updated: Apr 16 2015 05:43PM
Credit: David Woodhouse
Vulnerable: Red Hat Enterprise Virtualization Hypervisor for RHEL 6 0
Red Hat Enterprise Linux Workstation Optional 6
Red Hat Enterprise Linux Workstation 6
Red Hat Enterprise Linux Server Optional 6
Red Hat Enterprise Linux Server 6
Red Hat Enterprise Linux HPC Node Optional 6
Red Hat Enterprise Linux HPC Node 6
Red Hat Enterprise Linux Desktop Optional 6
Red Hat Enterprise Linux Desktop 6
Oracle Enterprise Linux 6.2
Oracle Enterprise Linux 6
Gentoo Linux
Dnsmasq Dnsmasq 2.29
+ Gentoo Linux
Dnsmasq Dnsmasq 2.22
+ Gentoo Linux
Dnsmasq Dnsmasq 2.21
+ Gentoo Linux
Dnsmasq Dnsmasq 2.20
+ Slackware Linux 10.1
Dnsmasq Dnsmasq 2.19
Dnsmasq Dnsmasq 2.18
Dnsmasq Dnsmasq 2.17
Dnsmasq Dnsmasq 2.16
Dnsmasq Dnsmasq 2.15
+ Gentoo Linux
Dnsmasq Dnsmasq 2.14
Dnsmasq Dnsmasq 2.13
+ S.u.S.E. Linux Personal 9.3
+ S.u.S.E. Linux Personal 9.2 x86_64
+ S.u.S.E. Linux Personal 9.2
+ S.u.S.E. Linux Personal 9.1 x86_64
+ S.u.S.E. Linux Personal 9.1
+ S.u.S.E. Linux Personal 9.0 x86_64
+ S.u.S.E. Linux Personal 9.0
Dnsmasq Dnsmasq 2.12
Dnsmasq Dnsmasq 2.11
Dnsmasq Dnsmasq 2.50
Dnsmasq Dnsmasq 2.49
Dnsmasq Dnsmasq 2.48
Dnsmasq Dnsmasq 2.47
Dnsmasq Dnsmasq 2.46
Dnsmasq Dnsmasq 2.45
Dnsmasq Dnsmasq 2.44
Dnsmasq Dnsmasq 2.43
Dnsmasq Dnsmasq 2.42
Dnsmasq Dnsmasq 2.41
Dnsmasq Dnsmasq 2.40
Dnsmasq Dnsmasq 2.35
Dnsmasq Dnsmasq 2.30
CentOS CentOS 6
Not Vulnerable:

Discussion

Dnsmasq Remote Denial of Service Vulnerability

Dnsmasq is prone to a denial-of-service vulnerability.



An attacker can exploit this issue to cause denial-of-service conditions through a stream of spoofed DNS queries producing large results.



Dnsmasq versions 2.62 and prior are vulnerable.

Exploit / POC

Dnsmasq Remote Denial of Service Vulnerability

Attackers can use readily available networking tools to exploit this issue.

Solution / Fix

Dnsmasq Remote Denial of Service Vulnerability

Solution:
Updates are available. Please see the references for more information.

References

Dnsmasq Remote Denial of Service Vulnerability

References:

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