TITLE:
Ethereal Multiple Protocol Dissector and PCRE Vulnerabilities

SECUNIA ADVISORY ID:
SA17254

VERIFY ADVISORY:
http://secunia.com/advisories/17254/

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,
divide by zero error, infinite loop errors, and boundary errors exist
in a multitude of protocol dissectors.

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

For more information:
SA16502

Successful exploitation causes Ethereal to stop responding, exhaust
system memory, crash, or execute arbitrary code.

The vulnerabilities have been reported in versions 0.7.7 through
0.10.12.

SOLUTION:
Update to version 0.10.13.
http://www.ethereal.com/download.html

PROVIDED AND/OR DISCOVERED BY:
The vendor credits iDEFENSE for reporting a buffer overflow in the
SRVLOC dissector.

ORIGINAL ADVISORY:
http://www.ethereal.com/appnotes/enpa-sa-00021.html

OTHER REFERENCES:
SA16502:
http://secunia.com/advisories/16502/

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