TITLE:
HP-UX TCP/IP "Rose Attack" Denial of Service Vulnerability

SECUNIA ADVISORY ID:
SA18082

VERIFY ADVISORY:
http://secunia.com/advisories/18082/

CRITICAL:
Moderately critical

IMPACT:
DoS

WHERE:
>From remote

OPERATING SYSTEM:
HP-UX 11.x
http://secunia.com/product/138/

DESCRIPTION:
A vulnerability has been reported in HP-UX, which can be exploited by
malicious people to cause a DoS (Denial of Service).

The vulnerability is caused due to an error in the handling of
specially crafted IP fragments. This can be exploited by sending a
sequence of specially crafted IP fragments to cause the system to use
too much system resources, potentially resulting in DoS. This is
commonly known as the "Rose Attack.

The vulnerability has been reported in version B.11.00, B.11.04,
B.11.11, and B.11.23 running TCP/IP.

SOLUTION:
Apply updates.
http://www.hp.com/go/softwaredepot

HP-UX B.11.00:
Install PHNE_33395 or later, and run "sqmax 1000".

HP-UX B.11.04:
Install PHNE_33427 or later, and run "sqmax 1000".

HP-UX B.11.11:
Install PHNE_31091 or later, and run "sqmax 1000".

HP-UX B.11.23:
Install PHKL_31500. Alternatively, install IPF-HP revision
A.03.05.10.02 or later.

PROVIDED AND/OR DISCOVERED BY:
Reported by vendor.

ORIGINAL ADVISORY:
HPSBUX02087 SSRT4728:
http://www1.itrc.hp.com/service/cki/docDisplay.do?docId=c00579189

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