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TITLE:
Wireshark Denial of Service Vulnerabilities

SECUNIA ADVISORY ID:
SA31674

VERIFY ADVISORY:
http://secunia.com/advisories/31674/

CRITICAL:
Moderately critical

IMPACT:
DoS

WHERE:
>From remote

SOFTWARE:
Wireshark 1.x
http://secunia.com/product/18083/
Wireshark (formerly Ethereal) 0.x
http://secunia.com/product/1228/

DESCRIPTION:
Some vulnerabilities have been reported in Wireshark, which can be
exploited by malicious people to cause a DoS (Denial of Service).

1) Various errors within epan/dissectors/packet-ncp2222.inc can be
exploited to cause e.g. a crash or an infinite loop via specially
crafted NCP packets.

The vulnerabilities are reported in versions 0.9.7 to 1.0.2.

2) An error while uncompressing zlib-compressed packet data can be
exploited to cause a crash via  specially crafted packets.

The vulnerability is reported in versions 0.10.14 to 1.0.2.

SOLUTION:
Update to version 1.0.3.
http://www.wireshark.org/download.html

PROVIDED AND/OR DISCOVERED BY:
1) Reported by Thomas Nielsen in a Wireshark bug report.

ORIGINAL ADVISORY:
http://www.wireshark.org/security/wnpa-sec-2008-05.html

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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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