Unbound Multiple Denial of Service Vulnerabilities

BID:51115

Info

Unbound Multiple Denial of Service Vulnerabilities

Bugtraq ID: 51115
Class: Failure to Handle Exceptional Conditions
CVE: CVE-2011-4528
CVE-2011-4869
Remote: Yes
Local: No
Published: Dec 19 2011 12:00AM
Updated: Apr 13 2015 09:41PM
Credit: The vendor reported these issues.
Vulnerable: Unbound Unbound 1.4.10
Unbound Unbound 1.4.9
Unbound Unbound 1.4.4
Unbound Unbound 1.4.3
Unbound Unbound 1.4.2
Unbound Unbound 1.3.4
Unbound Unbound 1.3.3
Gentoo Linux
Debian Linux 6.0 sparc
Debian Linux 6.0 s/390
Debian Linux 6.0 powerpc
Debian Linux 6.0 mips
Debian Linux 6.0 ia-64
Debian Linux 6.0 ia-32
Debian Linux 6.0 arm
Debian Linux 6.0 amd64
Not Vulnerable: Unbound Unbound 1.4.14
Unbound Unbound 1.4.13p2

Discussion

Unbound Multiple Denial of Service Vulnerabilities

Unbound is prone to multiple remote denial-of-service vulnerabilities.

An attacker can exploit these issues to cause the affected application to crash, denying service to legitimate users.

Versions prior to Unbound 1.4.14 are vulnerable.

Exploit / POC

Unbound Multiple Denial of Service Vulnerabilities

An attacker can use readily available network utilities.

Solution / Fix

Unbound Multiple Denial of Service Vulnerabilities

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

References

Unbound Multiple Denial of Service Vulnerabilities

References:
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