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Vulnerability Details : CVE-2017-3823

An issue was discovered in the Cisco WebEx Extension before 1.0.7 on Google Chrome, the ActiveTouch General Plugin Container before 106 on Mozilla Firefox, the GpcContainer Class ActiveX control plugin before 10031.6.2017.0126 on Internet Explorer, and the Download Manager ActiveX control plugin before 2.1.0.10 on Internet Explorer. A vulnerability in these Cisco WebEx browser extensions 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 and Cisco WebEx Centers (Meeting Center, Event Center, Training Center, and Support Center) when they are running on Microsoft Windows. The vulnerability is a design defect in an application programing interface (API) response parser within the extension. An attacker that 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.
Publish Date : 2017-02-01 Last Update Date : 2017-10-09
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- CVSS Scores & Vulnerability Types

CVSS Score
9.3
Confidentiality Impact Complete (There is total information disclosure, resulting in all system files being revealed.)
Integrity Impact Complete (There is a total compromise of system integrity. There is a complete loss of system protection, resulting in the entire system being compromised.)
Availability Impact Complete (There is a total shutdown of the affected resource. The attacker can render the resource completely unavailable.)
Access Complexity Medium (The access conditions are somewhat specialized. Some preconditions must be satistified to exploit)
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s) Execute CodeOverflow
CWE ID 119

- Products Affected By CVE-2017-3823

# Product Type Vendor Product Version Update Edition Language
1 Application Cisco Activetouch General Plugin Container 105 ~~~firefox~~ Version Details Vulnerabilities
2 Application Cisco Download Manager 2.1.0.9 ~~~internet Explorer~~ Version Details Vulnerabilities
3 Application Cisco Gpccontainer Class 10031.6.2017.0125 ~~~internet Explorer~~ Version Details Vulnerabilities
4 Application Cisco Webex 1.0.6 ~~~chrome~~ Version Details Vulnerabilities
5 Application Cisco Webex Meeting Center 2.6 Mr1 P1 Version Details Vulnerabilities
6 Application Cisco Webex Meeting Center 2.6 Mr2 Version Details Vulnerabilities
7 Application Cisco Webex Meeting Center 2.6 Mr2 P1 Version Details Vulnerabilities
8 Application Cisco Webex Meeting Center 2.6 Mr3 Version Details Vulnerabilities
9 Application Cisco Webex Meeting Center 2.6 Base Version Details Vulnerabilities
10 Application Cisco Webex Meeting Center 2.6 Mr3 P1 Version Details Vulnerabilities
11 Application Cisco Webex Meeting Center 2.6 Mr1 Version Details Vulnerabilities
12 Application Cisco Webex Meeting Center 2.7 Mr1 Version Details Vulnerabilities
13 Application Cisco Webex Meeting Center 2.7 Mr1 P1 Version Details Vulnerabilities
14 Application Cisco Webex Meeting Center 2.7 Mr2 Version Details Vulnerabilities
15 Application Cisco Webex Meeting Center 2.7 Base Version Details Vulnerabilities
16 Application Cisco Webex Meeting Center T29 Base Version Details Vulnerabilities
17 Application Cisco Webex Meeting Center T30 Base Version Details Vulnerabilities
18 Application Cisco Webex Meeting Center T31 Base Version Details Vulnerabilities
19 Application Cisco Webex Meetings Server 2.0 Mr9 P3 Version Details Vulnerabilities
20 Application Cisco Webex Meetings Server 2.0 Mr8 Version Details Vulnerabilities
21 Application Cisco Webex Meetings Server 2.0 Mr3 Version Details Vulnerabilities
22 Application Cisco Webex Meetings Server 2.0 Mr8 P1 Version Details Vulnerabilities
23 Application Cisco Webex Meetings Server 2.0 Mr4 Version Details Vulnerabilities
24 Application Cisco Webex Meetings Server 2.0 Mr9 Version Details Vulnerabilities
25 Application Cisco Webex Meetings Server 2.0 Mr5 Version Details Vulnerabilities
26 Application Cisco Webex Meetings Server 2.0 Mr9 P1 Version Details Vulnerabilities
27 Application Cisco Webex Meetings Server 2.0 Mr6 Version Details Vulnerabilities
28 Application Cisco Webex Meetings Server 2.0 Base Version Details Vulnerabilities
29 Application Cisco Webex Meetings Server 2.0 Mr9 P2 Version Details Vulnerabilities
30 Application Cisco Webex Meetings Server 2.0 Mr7 Version Details Vulnerabilities
31 Application Cisco Webex Meetings Server 2.0 Mr2 Version Details Vulnerabilities
32 Application Cisco Webex Meetings Server 2.5 Mr6 P1 Version Details Vulnerabilities
33 Application Cisco Webex Meetings Server 2.5 Mr4 Version Details Vulnerabilities
34 Application Cisco Webex Meetings Server 2.5 Mr6 P2 Version Details Vulnerabilities
35 Application Cisco Webex Meetings Server 2.5 Base Version Details Vulnerabilities
36 Application Cisco Webex Meetings Server 2.5 Mr5 Version Details Vulnerabilities
37 Application Cisco Webex Meetings Server 2.5 Mr6 P3 Version Details Vulnerabilities
38 Application Cisco Webex Meetings Server 2.5 Mr1 Version Details Vulnerabilities
39 Application Cisco Webex Meetings Server 2.5 Mr5 P1 Version Details Vulnerabilities
40 Application Cisco Webex Meetings Server 2.5 Mr2 Version Details Vulnerabilities
41 Application Cisco Webex Meetings Server 2.5 Mr6 Version Details Vulnerabilities
42 Application Cisco Webex Meetings Server 2.5 Mr2 P1 Version Details Vulnerabilities
43 Application Cisco Webex Meetings Server 2.5 Mr3 Version Details Vulnerabilities
44 Application Cisco Webex Meetings Server 2.6 Mr2 Version Details Vulnerabilities
45 Application Cisco Webex Meetings Server 2.6 Mr2 P1 Version Details Vulnerabilities
46 Application Cisco Webex Meetings Server 2.6 Mr3 Version Details Vulnerabilities
47 Application Cisco Webex Meetings Server 2.6 Base Version Details Vulnerabilities
48 Application Cisco Webex Meetings Server 2.6 Mr3 P1 Version Details Vulnerabilities
49 Application Cisco Webex Meetings Server 2.6 Mr1 Version Details Vulnerabilities
50 Application Cisco Webex Meetings Server 2.6 Mr1 P1 Version Details Vulnerabilities
51 Application Cisco Webex Meetings Server 2.7 Mr1 Version Details Vulnerabilities
52 Application Cisco Webex Meetings Server 2.7 Mr1 P1 Version Details Vulnerabilities
53 Application Cisco Webex Meetings Server 2.7 Mr2 Version Details Vulnerabilities
54 Application Cisco Webex Meetings Server 2.7 Base Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Cisco Activetouch General Plugin Container 1
Cisco Download Manager 1
Cisco Gpccontainer Class 1
Cisco Webex 1
Cisco Webex Meeting Center 14
Cisco Webex Meetings Server 36

- References For CVE-2017-3823

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170124-webex CONFIRM
https://www.kb.cert.org/vuls/id/909240
CERT-VN VU#909240
https://bugs.chromium.org/p/project-zero/issues/detail?id=1100
http://www.securitytracker.com/id/1037680
SECTRACK 1037680
https://bugs.chromium.org/p/project-zero/issues/detail?id=1096
https://0patch.blogspot.com/2017/01/micropatching-remote-code-execution-in.html
https://blog.filippo.io/webex-extension-vulnerability/
http://www.securityfocus.com/bid/95737
BID 95737 Cisco WebEx Extension 'magic URL' Remote Command Execution Vulnerability Release Date:2017-02-01

- Metasploit Modules Related To CVE-2017-3823

Cisco WebEx Chrome Extension RCE (CVE-2017-3823)
This module exploits a vulnerability present in the Cisco WebEx Chrome Extension version 1.0.1 which allows an attacker to execute arbitrary commands on a system.
Module type : exploit Rank : great Platforms : Windows


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