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Category:   Device (Router/Bridge/Hub)  >   Cisco Small Business SRP Series Vendors:   Cisco
Cisco Small Business SRP Series Devices Use Static Certificates and Keys That Let Remote Users Decrypt Potentially Sensitive User Connections
SecurityTracker Alert ID:  1034257
SecurityTracker URL:  http://securitytracker.com/id/1034257
CVE Reference:   CVE-2015-6358   (Links to External Site)
Date:  Nov 26 2015
Impact:   Disclosure of system information, Disclosure of user information
Vendor Confirmed:  Yes  

Description:   A vulnerability was reported in Cisco Small Business SRP Series. A remote user can decrypt user connections to obtain potentially sensitive information in certain cases.

The system uses a hard-coded certificate and hard-coded keys to protect user connections. A remote user that can conduct a man-in-the-middle attack can use the static credentials to decrypt user connections and obtain potentially sensitive information.

The following models are affected:

Small Business SRP520 Models
Small Business SRP520-U Models

The vendor has assigned bug IDs CSCuw46610, CSCuw46620, CSCuw46637, CSCuw46654, CSCuw46665, CSCuw46672, CSCuw46677, CSCuw46682, CSCuw46705, CSCuw46716, CSCuw46979, CSCuw47005, CSCuw47028, CSCuw47040, CSCuw47048, CSCuw47061, CSCuw90860, CSCuw90869, CSCuw90875, CSCuw90881, CSCuw90899, and CSCuw90913 to this vulnerability.

Stefan Viehbck from SEC Consult Vulnerability Lab reported this vulnerability.

Impact:   A remote user that can conduct a man-in-the-middle attack can decrypt user connections and obtain potentially sensitive information.
Solution:   No solution was available at the time of this entry.

The vendor's advisory is available at:

http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20151125-ci

Vendor URL:  tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20151125-ci (Links to External Site)
Cause:   Access control error

Message History:   None.


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