Executive Summary

Informations
Name CVE-2017-6753 First vendor Publication 2017-07-25
Vendor Cve Last vendor Modification 2019-10-09

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Overall CVSS Score 8.8
Base Score 8.8 Environmental Score 8.8
impact SubScore 5.9 Temporal Score 8.8
Exploitabality Sub Score 2.8
 
Attack Vector Network Attack Complexity Low
Privileges Required None User Interaction Required
Scope Unchanged Confidentiality Impact High
Integrity Impact High Availability Impact High
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:M/Au:N/C:C/I:C/A:C)
Cvss Base Score 9.3 Attack Range Network
Cvss Impact Score 10 Attack Complexity Medium
Cvss Expoit Score 8.6 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

A vulnerability in Cisco WebEx browser extensions for Google Chrome and Mozilla Firefox could allow an unauthenticated, remote attacker to execute arbitrary code with the privileges of the affected browser on an affected system. This vulnerability affects the browser extensions for Cisco WebEx Meetings Server, Cisco WebEx Centers (Meeting Center, Event Center, Training Center, and Support Center), and Cisco WebEx Meetings when they are running on Microsoft Windows. The vulnerability is due to a design defect in the extension. An attacker who can convince an affected user to visit an attacker-controlled web page or follow an attacker-supplied link with an affected browser could exploit the vulnerability. If successful, the attacker could execute arbitrary code with the privileges of the affected browser. The following versions of the Cisco WebEx browser extensions are affected: Versions prior to 1.0.12 of the Cisco WebEx extension on Google Chrome, Versions prior to 1.0.12 of the Cisco WebEx extension on Mozilla Firefox. Cisco Bug IDs: CSCvf15012 CSCvf15020 CSCvf15030 CSCvf15033 CSCvf15036 CSCvf15037.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-6753

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-119 Failure to Constrain Operations within the Bounds of a Memory Buffer

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 3
Application 3
Application 1
Application 15
Application 8
Application 1
Application 3
Application 6
Application 1
Application 1
Application 4
Application 3
Application 1
Application 1
Application 2
Application 2
Application 1
Application 1
Application 3
Application 3

Snort® IPS/IDS

Date Description
2017-01-27 Cisco Webex explicit use of web plugin detected
RuleID : 41409-community - Revision : 7 - Type : POLICY-OTHER
2017-02-25 Cisco Webex explicit use of web plugin detected
RuleID : 41409 - Revision : 6 - Type : POLICY-OTHER
2017-02-25 Cisco WebEx extension command execution attempt
RuleID : 41408 - Revision : 3 - Type : BROWSER-OTHER
2017-02-25 Cisco WebEx extension command execution attempt
RuleID : 41407 - Revision : 3 - Type : BROWSER-OTHER

Nessus® Vulnerability Scanner

Date Description
2017-07-19 Name : A browser extension installed on the remote host is affected by a remote code...
File : cisco_webex_extension_1_0_12_chrome.nasl - Type : ACT_GATHER_INFO
2017-07-19 Name : A browser extension installed on the remote host is affected by a remote code...
File : cisco_webex_extension_1_0_12_firefox.nasl - Type : ACT_GATHER_INFO

Sources (Detail)

Source Url
BID http://www.securityfocus.com/bid/99614
CONFIRM https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-s...
SECTRACK http://www.securitytracker.com/id/1038909
http://www.securitytracker.com/id/1038910
http://www.securitytracker.com/id/1038911

Alert History

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Date Informations
2021-05-04 13:05:04
  • Multiple Updates
2021-04-22 02:19:05
  • Multiple Updates
2020-05-23 01:03:23
  • Multiple Updates
2019-10-10 05:20:03
  • Multiple Updates
2017-08-01 00:21:33
  • Multiple Updates
2017-07-27 09:23:03
  • Multiple Updates
2017-07-26 00:22:24
  • First insertion