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Vulnerability Alert

Cisco WebEx Social Client-Side Restriction Bypass Attribute Change Vulnerability

 
Threat Type:CWE-20: Input Validation
IntelliShield ID:29338
Version:1
First Published:2013 May 15 19:21 GMT
Last Published:2013 May 15 19:21 GMT
Port: Not available
CVE:CVE-2013-1245
Urgency:Unlikely Use
Credibility:Confirmed
Severity:Mild Damage
CVSS Base:4.0 CVSS Calculator
CVSS Version 2.0
CVSS Temporal:3.5
 
 
Version Summary:Cisco WebEx Social contains a vulnerability that could allow an authenticated, remote attacker to inject arbitrary values into the Screen Name, Email Address, First Name, Middle Name, Last Name, and Job Title fields on a targeted system. Updates are available.
 
 
Description
A vulnerability in the user management page of WebEx Social could allow an authenticated, remote attacker to inject arbitrary values into the Screen Name, Email Address, First Name, Middle Name, Last Name, and Job Title fields.

The vulnerability is due to insufficient server-side validation of user-supplied information. An attacker could exploit this vulnerability by bypassing client-side protections to insert arbitrary values into the vulnerable fields.

Cisco has confirmed the vulnerability in a security notice and has released software updates.
 
Warning Indicators
At the time this alert was first published, the following versions of Cisco WebEx Social were affected:
  • 3.1(1)SR1, SR2, SR3
  • 3.1(0), SR1, SR2 and SR3
  • 3.0(1)
Later versions may also be affected.
 
IntelliShield Analysis
To exploit this vulnerability, an attacker would require authenticated access to the targeted device, and may require access to trusted, internal networks. These access requirements could limit the likelihood of a successful exploit.

Cisco indicates through the CVSS score that the vulnerability is highly exploitable; however, exploit code is not known to be publicly available.
 
Vendor Announcements
Cisco has released a security notice for bug ID CSCue67190 at the following link: CVE-2013-1245
 
Impact
An authenticated, remote attacker could exploit this vulnerability by bypassing client-side protections to insert arbitrary values into the vulnerable fields.
 
Technical Information
Technical details are unavailable.
 
Safeguards
Administrators are advised to apply the appropriate updates.

Administrators are advised to allow only trusted users to access local systems.

Administrators are advised to allow only trusted users to have network access.

Administrators are advised to allow only privileged users to access administration or management systems.

Administrators may consider using IP-based access control lists (ACLs) to allow only trusted systems to access the affected systems.

Administrators are advised to monitor affected systems.
 
Patches/Software
Cisco customers with active contracts can obtain updates through the Software Center at the following link: Cisco. Cisco customers without contracts can obtain upgrades by contacting the Cisco Technical Assistance Center at 1-800-553-2447 or 1-408-526-7209 or via e-mail at tac@cisco.com.
 
Alert History
 
Initial Release


Product Sets
 
The security vulnerability applies to the following combinations of products.

Primary Products:
CiscoCisco WebEx Social 3.0 (1), (1)SR1, (1)SR2, (1)SR3 | 3.1 (0), (1)SR1, (1)SR2, (1)SR3

Associated Products:
N/A




Alerts and bulletins on the Cisco Security Intelligence Operations Portal are highlighted by analysts in the Cisco Threat Operations Center and represent a subset of the comprehensive content that is available through Cisco Security IntelliShield Alert Manager Service. This customizable threat and vulnerability alert service provides security staff with access to timely, accurate, and credible information about threats and vulnerabilities that may affect their environment.


LEGAL DISCLAIMER
The urgency and severity ratings of this alert are not tailored to individual users; users may value alerts differently based upon their network configurations and circumstances. THE ALERT, AND INFORMATION CONTAINED THEREIN, ARE PROVIDED ON AN "AS IS" BASIS AND DO NOT IMPLY ANY KIND OF GUARANTEE OR WARRANTY, INCLUDING THE WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR USE. YOUR USE OF THE ALERT, AND INFORMATION CONTAINED THEREIN, OR MATERIALS LINKED FROM THE ALERT, IS AT YOUR OWN RISK. INFORMATION IN THIS ALERT AND ANY RELATED COMMUNICATIONS IS BASED ON OUR KNOWLEDGE AT THE TIME OF PUBLICATION AND IS SUBJECT TO CHANGE WITHOUT NOTICE. CISCO RESERVES THE RIGHT TO CHANGE OR UPDATE ALERTS AT ANY TIME.
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