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Cisco Unity Multiple Vulnerabilities

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Release Date:  2008-10-09    Last Update:  2008-10-15    Views:  5,888

Secunia Advisory SA32187

Where:

From local network

Impact:

Security Bypass, Exposure of sensitive information, DoS

Solution Status:

Vendor Patch

CVE Reference(s):

Description


Some vulnerabilities and a security issue have been reported in Cisco Unity, which can be exploited by malicious, local users to disclose potentially sensitive information, and by malicious people to bypass certain security restrictions and cause a DoS (Denial of Service).

1) An error exists within the authentication process in the Cisco Unity server, which can be exploited to bypass the authentication mechanism and view or modify certain system configuration parameters.

2) An error in the session handling in the Cisco Unity server can be exploited to cause a DoS by exhausting all available sessions.

Successful exploitation of these vulnerabilities requires that the Cisco Unity server is configured for anonymous authentication (not the default configuration).

3) A security issue is caused due to insecure permissions on "\CommServer\Reports", which can be exploited by domain users to disclose potentially sensitive information.


Solution:
Update to version 4.0ES161, 5.0ES53, or 7.0ES8.

Further details available to Secunia VIM customers

Provided and/or discovered by:
VoIPshield Systems

Original Advisory:
Cisco:
http://www.cisco.com/warp/public/707/cisco-sa-20081008-unity.shtml
http://www.cisco.com/warp/public/707/cisco-sr-20081008-unity.shtml

VoIPshield:
http://www.voipshield.com/research-details.php?id=126&s=1&threats_details=&threats_category=0&threats_vendor=0&limit=20&sort=discovered&sortby=DESC
http://www.voipshield.com/research-details.php?id=128&s=1&threats_details=&threats_category=0&threats_vendor=0&limit=20&sort=discovered&sortby=DESC
http://www.voipshield.com/research-details.php?id=130&s=1&threats_details=&threats_category=0&threats_vendor=0&limit=20&sort=discovered&sortby=DESC

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: Cisco Unity Multiple Vulnerabilities

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