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Credit:
The information has been provided by iDefense Labs Security Advisories.
The original article can be found at: http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=484
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Vulnerable Systems:
* Computer Associates eTrust Intrusion Detection version 3.0.5.57
The eTrust Intrusion Detection process listens on TCP port 9191 for remote administration functions. Administrator login requires that keys be exchanged including a session key with blowfish encryption of the login and the password.
Since the administration server fails to properly validate the key length value, it is possible to cause the product to crash. During decryption, 4 is subtracted from the specified length and the result used as the length of the data to decrypt. The decryption loop will proceed to overwrite the entire heap segment. This leads to an unhandled exception.
Analysis:
Exploitation of this vulnerability allows attackers to cause the administration service to crash.
Since the heap is not used once corrupted, the heap overflow cannot be exploited for more than a denial of service.
Vendor response:
Computer Associates has issued patches to correct this vulnerability. More information is available in their advisory which can be found at the following URL: http://supportconnectw.ca.com/public/ca_common_docs/eid_secnotice.asp
CVE Information:
CVE-2007-1005
Disclosure Timeline:
01/16/2007 - Initial vendor notification
01/16/2007 - Initial vendor response
02/27/2007 - Coordinated public disclosure
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