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TITLE:
Ethereal Multiple Protocol Dissector and zlib Vulnerabilities

SECUNIA ADVISORY ID:
SA16225

VERIFY ADVISORY:
http://secunia.com/advisories/16225/

CRITICAL:
Highly critical

IMPACT:
DoS, System access

WHERE:
>From remote

SOFTWARE:
Ethereal 0.x
http://secunia.com/product/1228/

DESCRIPTION:
Multiple vulnerabilities have been reported in Ethereal, which can be
exploited by malicious people to cause a DoS (Denial of Service) or
compromise a vulnerable system.

1) Various types of errors including NULL pointer dereference errors,
format string errors, infinite loop errors, and boundary errors exists
in a multitude of protocol dissectors. 

2) Ethereal Windows installer ships with a vulnerable version of zlib
library.

For more information:
SA15949
SA16137

Successful exploitation causes Ethereal to stop responding, consume a
large amount of system resources, crash, or execute arbitrary code.

The vulnerabilities affect versions 0.8.5 through 0.10.11

SOLUTION:
Update to version 0.10.12.
http://www.ethereal.com/download.html

PROVIDED AND/OR DISCOVERED BY:
Discovered by the vendor and the following people:
* Steve Grubb, Red Hat
* iDEFENSE

ORIGINAL ADVISORY:
http://www.ethereal.com/appnotes/enpa-sa-00020.html

OTHER REFERENCES:
SA15949:
http://secunia.com/advisories/15949/

SA16137:
http://secunia.com/advisories/16137/

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


Please Note:
Secunia recommends that you verify all advisories you receive by
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Secunia NEVER sends attached files with advisories.
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