inspircd -- buffer overflow

Description:

InspIRCd reports:

InspIRCd contains a heap corruption vulnerability that exists in the dns.cpp code. The res[] buffer is allocated on the heap and can be overflowed. The res[] buffer can be exploited during its deallocation. The number of overflowed bytes can be controlled with DNS compression features.

References:

• CVE name CVE-2012-1836
• URL: <http://inspircd.github.com/>

Affects:

• inspircd >=1.2 <1.2.9
• inspircd >=2.0 <2.0.5_2

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