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Moderately critical

CA BrightStor ARCserve Backup Multiple Vulnerabilities

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Release Date:  2007-01-12    Last Update:  2007-01-15    Views:  17,168

Secunia Advisory SA23648

Where:

From local network

Impact:

System access

Solution Status:

Vendor Patch

CVE Reference(s):

Description


Several vulnerabilities have been reported in BrightStor ARCserve Backup, which can be exploited by malicious people to compromise a vulnerable system.

1) An error in the handling of opnum 0xBF RPC requests within the Tape Engine service can be exploited to execute arbitrary code via a specially crafted RPC request sent to the service (default port 6502/TCP).

2) A boundary error in the handling of opnum 0x2F and opnum 0x75 RPC requests within the Message Engine RPC service can be exploited to cause a buffer overflow via a specially crafted RPC request sent to the service (default ports 6503/TCP and 6504/TCP).

3) A boundary error in the handling of opnum 0xCF RPC requests to the Tape Engine RPC service can be exploited to cause a buffer overflow via a specially crafted RPC request sent to the service (default port 6503/TCP).

4) Two boundary errors in the handling of RPC requests within the Mediasrv.exe service can be exploited to cause a stack-based buffer overflow via a specially crafted RPC request sent to the service.

5) A boundary error within ASCORE.dll when handling opnum 0x2F RPC requests within the Message Engine RPC service can be exploited to cause a stack-based buffer overflow via a specially crafted RPC request sent to the service (default ports 6503/TCP and 6504/TCP).

Successful exploitation of the vulnerabilities allow execution of arbitrary code.


Solution:
Apply fixes:

Further details available to Secunia VIM customers

Provided and/or discovered by:
1) Discovered by LSsecurity and reported via ZDI.
2-3) Discovered by Tenable Network Security and reported via ZDI.
4) Paul Mehta, IBM Internet Security Systems X-Force
5) Discovered by an anonymous person and reported via iDefense Labs.

Original Advisory:
CA:
http://supportconnectw.ca.com/public/storage/infodocs/babimpsec-notice.asp

LSsecurity:
http://livesploit.com/advisories/LS-20061002.pdf

ZDI:
http://www.zerodayinitiative.com/advisories/ZDI-07-002.html
http://www.zerodayinitiative.com/advisories/ZDI-07-003.html
http://www.zerodayinitiative.com/advisories/ZDI-07-004.html

IBM ISS:
http://www.iss.net/threats/252.html
http://www.iss.net/threats/253.html

iDefense Labs:
http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=467

Deep Links:
Links available to Secunia VIM customers

Do you have additional information related to this advisory?

Please provide information about patches, mitigating factors, new versions, exploits, faulty patches, links, and other relevant data by posting comments to this Advisory. You can also send this information to vuln@secunia.com

Subject: CA BrightStor ARCserve Backup Multiple Vulnerabilities

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