Unbound 'sock_list' Structure Allocation Remote Denial Of Service Vulnerability

BID:38701

Info

Unbound 'sock_list' Structure Allocation Remote Denial Of Service Vulnerability

Bugtraq ID: 38701
Class: Design Error
CVE: CVE-2010-0969
Remote: Yes
Local: No
Published: Mar 12 2010 12:00AM
Updated: Oct 17 2011 05:12PM
Credit: Reported by the vendor.
Vulnerable: Unbound Unbound 1.4.2
Unbound Unbound 1.3.4
Unbound Unbound 1.3.3
Gentoo Linux
Not Vulnerable: Unbound Unbound 1.4.3

Discussion

Unbound 'sock_list' Structure Allocation Remote Denial Of Service Vulnerability

Unbound is prone to a remote denial-of-service vulnerability.

Successful exploits may allow an attacker to crash the affected application, resulting in a denial-of-service condition. Given the nature of this issue, attackers may also be able to run arbitrary code, but this has not been confirmed.

Versions prior to Unbound 1.4.3 are vulnerable.

Exploit / POC

Unbound 'sock_list' Structure Allocation Remote Denial Of Service Vulnerability

This vulnerability can be exploited using readily available tools.

Solution / Fix

Unbound 'sock_list' Structure Allocation Remote Denial Of Service Vulnerability

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


Unbound Unbound 1.3.3

Unbound Unbound 1.3.4

Unbound Unbound 1.4.2

References

Unbound 'sock_list' Structure Allocation Remote Denial Of Service Vulnerability

References:

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