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Insecure Library Loading
Highly critical

InspIRCd DNS Response Processing Buffer Overflow Vulnerability

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Release Date:  2012-03-20    Last Update:  2012-04-10    Views:  1,638

Secunia Advisory SA48474

Where:

From remote

Impact:

System access

Solution Status:

Vendor Patch

CVE Reference(s):

Description


A vulnerability has been reported in InspIRCd, which can be exploited by malicious people to compromise a vulnerable system.

The vulnerability is caused due to an error within the "ResultIsReady()" function (dns.cpp) when handling DNS responses and can be exploited to cause a heap-based buffer overflow.

Successful exploitation may allow execution of arbitrary code.

The vulnerability is reported in versions prior to 1.2.9 RC1 and 2.0.6 RC1.


Solution:
Update to version 1.2.9 RC1 or 2.0.6 RC1.

Provided and/or discovered by:
US-CERT credits Tomasz Salacinski, CERT Polska.

Original Advisory:
US-CERT VU#212651:
http://www.kb.cert.org/vuls/id/212651

InspIRCd:
http://inspircd.github.com/2012/04/09/inspircd-v206rc1-released.html

Deep Links:
Links available to Secunia VIM customers

Do you have additional information related to this advisory?

Please provide information about patches, mitigating factors, new versions, exploits, faulty patches, links, and other relevant data by posting comments to this Advisory. You can also send this information to vuln@secunia.com

Subject: InspIRCd DNS Response Processing Buffer Overflow Vulnerability

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