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Secunia Security Advisory 27690

Secunia Security Advisory 27690
Posted Nov 26, 2007
Authored by Secunia | Site secunia.com

Secunia Security Advisory - A vulnerability has been reported in nss-mdns, which can be exploited by malicious people to cause a DoS (Denial of Service).

tags | advisory, denial of service
SHA-256 | 5dfdff2731a76c9f2513a416fadc31f5bcb0b8fb7da661d5f2054d5649a8c057

Secunia Security Advisory 27690

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2003: 2,700 advisories published
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TITLE:
nss-mdns Denial of Service Vulnerability

SECUNIA ADVISORY ID:
SA27690

VERIFY ADVISORY:
http://secunia.com/advisories/27690/

CRITICAL:
Less critical

IMPACT:
DoS

WHERE:
>From local network

SOFTWARE:
nss-mdns 0.x
http://secunia.com/product/16629/

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 Advisory was delivered by Secunia as a free service to help
everybody keeping their systems up to date against the latest
vulnerabilities.

Subscribe:
http://secunia.com/secunia_security_advisories/

Definitions: (Criticality, Where etc.)
http://secunia.com/about_secunia_advisories/


Please Note:
Secunia recommends that you verify all advisories you receive by
clicking the link.
Secunia NEVER sends attached files with advisories.
Secunia does not advise people to install third party patches, only
use those supplied by the vendor.

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