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nss-mdns Denial of Service Vulnerability
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Secunia Advisory:
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SA27690
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Release Date:
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2007-11-22
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Popularity:
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4,887 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 local network
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Solution Status:
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Vendor Patch
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| Software: | nss-mdns 0.x
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Description:
A vulnerability has been reported in nss-mdns, which can be exploited by malicious people to cause a DoS (Denial of Service).
The vulnerability is caused due to the use of miss-aligned data structures within the "_nss_mdns_gethostbyname2_r()" function in nss.c and can be exploited to crash an application using the library.
The vulnerability is reported in versions prior to 0.10 running on the ARM and SPARC architectures.
Solution:
Update to version 0.10.
Provided and/or discovered by:
Daniel Smolik
Original Advisory:
Debian:
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=423222
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=451428
nss-mdns:
http://0pointer.de/lennart/projects/nss-mdns/#news
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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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