Executive Summary

Summary
Title Cisco Webex Network Recording Players Remote Code Execution Vulnerabilities
Informations
Name cisco-sa-20180718-webex-rce First vendor Publication 2018-07-18
Vendor Cisco Last vendor Modification 2018-07-18
Severity (Vendor) N/A Revision N/A

Security-Database Scoring CVSS v3

Cvss vector : N/A
Overall CVSS Score NA
Base Score NA Environmental Score NA
impact SubScore NA Temporal Score NA
Exploitabality Sub Score NA
 
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:M/Au:N/C:P/I:P/A:P)
Cvss Base Score 6.8 Attack Range Network
Cvss Impact Score 6.4 Attack Complexity Medium
Cvss Expoit Score 8.6 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

Multiple vulnerabilities exist in the Cisco Webex Network Recording Player for Advanced Recording Format (ARF) and Webex Recording Format (WRF) files. An attacker could exploit these vulnerabilities by providing a user with a malicious .arf or .wrf file via email or URL and convincing the user to launch the file in the Webex recording players. Exploitation of these vulnerabilities could allow arbitrary code execution on the system of a targeted user. There is no risk when a .arf player that is stored on a Webex site is played in the Webex Network Recording Player.

The Cisco Webex players are applications that are used to play back Webex meetings that have been recorded by an online meeting attendee. The Webex Network Recording Player for .arf files can be automatically installed when the user accesses a recording that is hosted on a Webex server. The Webex Player for .wrf files can be downloaded manually.

Cisco has updated affected versions of the ARF and WRF recording players on Cisco Webex Meetings Suite sites, Cisco Webex Meetings Online sites, and Cisco Webex Meetings Server. There are no workarounds that address these vulnerabilities.

This advisory is available at the following link:

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180718-webex-rce ["https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180718-webex-rce"]

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Original Source

Url : http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco (...)

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 10
Application 1
Application 23

Snort® IPS/IDS

Date Description
2020-12-05 Cisco WebEx Network Recording Player out of bounds write attempt
RuleID : 47395 - Revision : 1 - Type : FILE-OTHER
2020-12-05 Cisco WebEx Network Recording Player out of bounds write attempt
RuleID : 47394 - Revision : 1 - Type : FILE-OTHER
2020-12-05 Cisco WebEx Network Recording Player out of bounds write attempt
RuleID : 47364 - Revision : 1 - Type : FILE-OTHER
2020-12-05 Cisco WebEx Network Recording Player out of bounds write attempt
RuleID : 47363 - Revision : 1 - Type : FILE-OTHER

Alert History

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0
1
2
3
Date Informations
2020-12-05 21:23:46
  • Multiple Updates
2018-09-20 17:21:24
  • Multiple Updates
2018-07-19 05:20:08
  • Multiple Updates
2018-07-18 21:19:01
  • First insertion