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TITLE:
Blue Coat PacketShaper and iShaper DNS Cache Poisoning

SECUNIA ADVISORY ID:
SA31137

VERIFY ADVISORY:
http://secunia.com/advisories/31137/

CRITICAL:
Moderately critical

IMPACT:
Spoofing

WHERE:
>From remote

OPERATING SYSTEM:
PacketWise 8.x
http://secunia.com/product/11169/

DESCRIPTION:
Blue Coat has acknowledged a vulnerability in Blue Coat PacketShaper
and iShaper, which can be exploited by malicious people to poison the
DNS cache.

The vulnerability is caused due to the products not sufficiently
randomising the DNS transaction ID and the source port number, which
can be exploited to poison the DNS cache.

SOLUTION:
Reportedly, this will be fixed in upcoming versions.

PacketShaper:
Versions 8.3.2 and 8.4.0.

iShaper:
Version 8.3.2 (in-line plane).

PROVIDED AND/OR DISCOVERED BY:
Dan Kaminsky

ORIGINAL ADVISORY:
http://www.bluecoat.com/support/security-advisories/dns_cache_poisoning

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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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