From: Secunia Security Advisories (sec-advsecunia.com)
Date: Fri Feb 02 2007 - 03:32:05 CST

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TITLE:
CA BrightStor ARCserve Backup RPC Server Denial of Service

SECUNIA ADVISORY ID:
SA24009

VERIFY ADVISORY:
http://secunia.com/advisories/24009/

CRITICAL:
Less critical

IMPACT:
DoS

WHERE:
From local network

SOFTWARE:
BrightStor ARCserve Backup 11.x
http://secunia.com/product/312/
BrightStor ARCserve Backup 11.x (for Windows)
http://secunia.com/product/3099/

DESCRIPTION:
M. Shirk has discovered a vulnerability in CA BrightStor ARCserve
Backup, which can be exploited by malicious people to cause a DoS
(Denial of Service).

The vulnerability is caused due to a NULL pointer dereference error
when handling TADDR2UADDR (0x08) request types within the CA Remote
Procedure Call Server service (CATIRPC.EXE). This can be exploited to
crash the service by sending a specially crafted packet to port
111/UDP.

The vulnerability is confirmed in version r11.5 SP2. Other versions
may also be affected.

SOLUTION:
Restrict access to the service.

PROVIDED AND/OR DISCOVERED BY:
M. Shirk

ORIGINAL ADVISORY:
http://milw0rm.com/exploits/3248

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