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pdnsd DNS Query Handling Memory Leak Vulnerability
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Secunia Advisory:
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SA19835
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Release Date:
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2006-04-26
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Last Update:
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2006-05-03
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Popularity:
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5,777 views
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Critical:
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Moderately critical
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Impact:
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DoS
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Where:
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From remote
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Solution Status:
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Vendor Patch
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| Software: | pdnsd 1.x
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| CVE reference: | CVE-2006-2076
CVE-2006-2077
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Description:
A vulnerability has been reported in pdnsd, which can be exploited by malicious people to cause a DoS (Denial of Service).
The vulnerability is caused due to a memory leak error within the handling of the QTYPE and QCLASS DNS queries. This can be exploited to cause pdnsd to consume large amount of memory, thus causing it to crash or cause the system to become unstable.
The vulnerability has been reported in versions prior to 1.2.4.
Solution:
Update to version 1.2.4.
http://www.phys.uu.nl/~rombouts/pdnsd/dl.html
Provided and/or discovered by:
Reported by vendor based on DNS Test Tool created by Oulu University Secure Programming Group.
Changelog:
2006-05-03: Added CVE references.
Original Advisory:
NISCC:
http://www.niscc.gov.uk/niscc/docs/re-20060425-00312.pdf?lang=en
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About this Secunia Advisory
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Please note: The information that this Secunia Advisory is based on comes from a third party unless stated otherwise.
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