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libevent DNS Response Denial of Service
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Secunia Advisory:
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SA24181
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Release Date:
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2007-02-19
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Last Update:
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2007-02-22
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Popularity:
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4,677 views
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Critical:
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Less 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: | libevent 1.x
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Instant alerts on relevant vulnerabilities 
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| CVE reference: | CVE-2007-1030
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Description:
Jon Oberheide has reported a vulnerability in libevent, which can be exploited by malicious people to cause a DoS (Denial of Service) of applications using the library.
The vulnerability is caused due to an error in the handling of label pointers in DNS responses. This can be exploited to cause libevent to enter an infinite loop by sending a specially crafted DNS response.
The vulnerability is reported in versions 1.2 through 1.2a. Other versions may also be affected.
Solution:
Update to version 1.3 or later.
Provided and/or discovered by:
Jon Oberheide
Changelog:
2007-02-22: Added CVE reference.
Original Advisory:
http://lists.grok.org.uk/pipermail/full-disclosure/2007-February/052530.html
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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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