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CA ARCserve Backup RPC "handle_t" Argument Vulnerability

CA ARCserve Backup RPC "handle_t" Argument Vulnerability
Posted Dec 12, 2008
Authored by Dyon Balding | Site secunia.com

Secunia Research has discovered a vulnerability in BrightStor ARCserve Backup, which can be exploited by malicious people to compromise a vulnerable system. The vulnerability is caused due to insufficient validation of "handle_t" arguments passed to RPC endpoints. Passing object pointers to procedures that expect different types can result in arbitrary code execution. CA ARCserve Backup 11.5 SP4 build 4491 is affected.

tags | advisory, arbitrary, code execution
advisories | CVE-2008-5415
SHA-256 | e2a11f405220b9f29248d5ad13bb5f7b5c4b3427fdd20d80cf7519bac87cd5c3

CA ARCserve Backup RPC "handle_t" Argument Vulnerability

Change Mirror Download
====================================================================== 

Secunia Research 11/12/2008

- CA ARCserve Backup RPC "handle_t" Argument Vulnerability -

======================================================================
Table of Contents

Affected Software....................................................1
Severity.............................................................2
Vendor's Description of Software.....................................3
Description of Vulnerability.........................................4
Solution.............................................................5
Time Table...........................................................6
Credits..............................................................7
References...........................................................8
About Secunia........................................................9
Verification........................................................10

======================================================================
1) Affected Software

* CA ARCserve Backup 11.5 SP4 build 4491.

NOTE: Other versions may also be affected.

======================================================================
2) Severity

Rating: Moderately critical
Impact: System access
Where: Local network

======================================================================
3) Vendor's Description of Software

"It is a reliable and comprehensive data protection solution trusted
by hundreds of thousands users. It offers market-leading features,
functionality and performance to provide data protection that
minimizes costs, streamlines administrative tasks and operations and
is part of a comprehensive integrated recovery solution."

Product Link:
http://www.ca.com/us/data-loss-prevention.aspx

======================================================================
4) Description of Vulnerability

Secunia Research has discovered a vulnerability in BrightStor ARCserve
Backup, which can be exploited by malicious people to compromise a
vulnerable system.

The vulnerability is caused due to insufficient validation of
"handle_t" arguments passed to RPC endpoints. Passing object pointers
to procedures that expect different types can result in arbitrary code
execution.

======================================================================
5) Solution

Apply patches released by the vendor.

======================================================================
6) Time Table

24/10/2007 - Vendor notified.
24/10/2007 - Vendor response.
21/11/2007 - Status update requested.
21/11/2007 - Vendor responds that development is working on patches.
07/04/2008 - Status update requested.
08/04/2008 - Vendor notifies expected release in May 2008.
21/05/2008 - Vendor notifies expected release in October 2008.
10/11/2008 - Vendor informed that October release did not fix the
reported vulnerability in version 11.5.
10/11/2008 - Vendor requests additional information.
10/11/2008 - Additional information provided to the vendor.
11/11/2008 - Vendor asks for further clarification.
11/11/2008 - Additional information about testing provided to vendor.
14/11/2008 - Vendor informed that fixes for version 12 correctly
addressed the reported vulnerability.
18/11/2008 - Vendor provides beta patch for version 11.5.
20/11/2008 - Vendor informed that beta patch fixes the vulnerability.
11/12/2008 - Public disclosure.

======================================================================
7) Credits

Discovered by Dyon Balding, Secunia Research.

======================================================================
8) References

The Common Vulnerabilities and Exposures (CVE) project has assigned
CVE-2008-5415 for the vulnerability.

======================================================================
9) About Secunia

Secunia offers vulnerability management solutions to corporate
customers with verified and reliable vulnerability intelligence
relevant to their specific system configuration:

http://secunia.com/advisories/business_solutions/

Secunia also provides a publicly accessible and comprehensive advisory
database as a service to the security community and private
individuals, who are interested in or concerned about IT-security.

http://secunia.com/advisories/

Secunia believes that it is important to support the community and to
do active vulnerability research in order to aid improving the
security and reliability of software in general:

http://secunia.com/secunia_research/

Secunia regularly hires new skilled team members. Check the URL below
to see currently vacant positions:

http://secunia.com/corporate/jobs/

Secunia offers a FREE mailing list called Secunia Security Advisories:

http://secunia.com/advisories/mailing_lists/

======================================================================
10) Verification

Please verify this advisory by visiting the Secunia website:
http://secunia.com/secunia_research/2007-82/

Complete list of vulnerability reports published by Secunia Research:
http://secunia.com/secunia_research/

======================================================================
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