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Vulnerability of Cisco IP Phone 8800: Cross Site Request Forgery

Synthesis of the vulnerability 

An attacker can trigger a Cross Site Request Forgery of Cisco IP Phone 8800, in order to force the victim to perform operations.
Vulnerable products: Cisco IP Phone.
Severity of this weakness: 2/4.
Creation date: 21/03/2019.
Références of this bulletin: cisco-sa-20190320-ip-phone-csrf, CSCvn56221, CSCvo57629, CVE-2019-1764, VIGILANCE-VUL-28794.

Description of the vulnerability 

The Cisco IP Phone 8800 product offers a web service.

However, the origin of queries is not checked. They can for example originate from an image included in an HTML document.

An attacker can therefore trigger a Cross Site Request Forgery of Cisco IP Phone 8800, in order to force the victim to perform operations.
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This security alert impacts software or systems such as Cisco IP Phone.

Our Vigil@nce team determined that the severity of this security weakness is medium.

The trust level is of type confirmed by the editor, with an origin of internet client.

An attacker with a expert ability can exploit this security announce.

Solutions for this threat 

Cisco IP Phone 8800: solution CSCvn56221 CSCvo57629.
The solution is described on the Cisco site:
  https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvn56221
  https://tools.cisco.com/bugsearch/bug/CSCvn56221
  https://tools.cisco.com/quickview/bug/CSCvn56221
  https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvo57629
  https://tools.cisco.com/bugsearch/bug/CSCvo57629
  https://tools.cisco.com/quickview/bug/CSCvo57629
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