ZDI-08-027: CA BrightStor ARCserve Backup Arbitrary File Writing 
Vulnerability
http://www.zerodayinitiative.com/advisories/ZDI-08-027


-- CVE ID:
CVE-2008-2241

-- Affected Vendors:
Computer Associates

-- Affected Products:
Computer Associates BrightStor ARCserve Server

-- TippingPoint(TM) IPS Customer Protection:
TippingPoint IPS customers have been protected against this
vulnerability by Digital Vaccine protection filter ID 4685. 
For further product information on the TippingPoint IPS, visit:

    http://www.tippingpoint.com

-- Vulnerability Details:
This vulnerability allows remote attackers to execute arbitrary code on
vulnerable installations of Computer Associates ARCserve Backup.
Authentication is not required exploit this vulnerability.

The specific flaw exists within the caloggerd log daemon during the
processing of log messages that contain directory traversal modifiers. A
lack of sanity checking on the provided path allows attackers to append
arbitrary data to a file of their choosing and can easily result in a
full system compromise.

-- Vendor Response:
Computer Associates has issued an update to correct this vulnerability. 
More
details can be found at:

https://support.ca.com/irj/portal/anonymous/phpsupcontent?contentID=176798

-- Disclosure Timeline:
2006-09-12 - Vulnerability reported to vendor


-- Credit:
This vulnerability was discovered by:
    * Damian Put <pucik@overflow.pl>

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