ESB-2019.0365 - [Android] Cisco Webex Meetings: Cross-site scripting - Existing account 2019-02-07

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             AUSCERT External Security Bulletin Redistribution

                               ESB-2019.0365
    Cisco Webex Meetings for Android Cross-Site Scripting Vulnerability
                              7 February 2019

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        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           Cisco Webex Meetings
Publisher:         Cisco Systems
Operating System:  Android
Impact/Access:     Cross-site Scripting -- Existing Account
Resolution:        Patch/Upgrade
CVE Names:         CVE-2019-1677  

Original Bulletin: 
   https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190206-webex-andro-xss

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Cisco Security Advisory

Cisco Webex Meetings for Android Cross-Site Scripting Vulnerability

Advisory ID:      cisco-sa-20190206-webex-andro-xss
First Published:  2019 February 6 16:00 GMT
Version 1.0:      Final
Workarounds:      No workarounds available
Cisco Bug IDs:    CSCvn97559
                  CVE-2019-1677
                  CWE-79
CVSS Score:       Base 5.0
CVSS:             3.0/AV:L/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:X/RL:X/RC:X

Summary

  o
    A vulnerability in Cisco Webex Meetings for Android could allow an
    unauthenticated, local attacker to perform a cross-site scripting attack
    against the application.

    The vulnerability is due to insufficient validation of the application
    input parameters. An attacker could exploit this vulnerability by sending a
    malicious request to the Webex Meetings application through an intent. A
    successful exploit could allow the attacker to execute script code in the
    context of the Webex Meetings application.

    There are no workarounds that address this vulnerability.

    This advisory is available at the following link:
    https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/
    cisco-sa-20190206-webex-andro-xss

Affected Products

  o Vulnerable Products

    This vulnerability affects Cisco Webex Meetings for Android. For
    information about affected software releases, consult the Cisco bug ID(s)
    at the top of this advisory.

    Products Confirmed Not Vulnerable

    Only products listed in the Vulnerable Products section of this advisory
    are known to be affected by this vulnerability.

Workarounds

  o There are no workarounds that address this vulnerability.

Fixed Software

  o For information about fixed software releases, consult the Cisco bug ID(s)
    at the top of this advisory.

    When considering software upgrades, customers are advised to regularly
    consult the advisories for Cisco products, which are available from the
    Cisco Security Advisories and Alerts page, to determine exposure and a
    complete upgrade solution.

    In all cases, customers should ensure that the devices to be upgraded
    contain sufficient memory and confirm that current hardware and software
    configurations will continue to be supported properly by the new release.
    If the information is not clear, customers are advised to contact the Cisco
    Technical Assistance Center (TAC) or their contracted maintenance
    providers.

Exploitation and Public Announcements

  o The Cisco Product Security Incident Response Team (PSIRT) is not aware of
    any public announcements or malicious use of the vulnerability that is
    described in this advisory.

Source

  o Cisco would like to thank Yogesh Tantak from TechMahindra for reporting
    this vulnerability.

Cisco Security Vulnerability Policy

  o To learn about Cisco security vulnerability disclosure policies and
    publications, see the Security Vulnerability Policy. This document also
    contains instructions for obtaining fixed software and receiving security
    vulnerability information from Cisco.

Action Links for This Advisory

  o Understanding Cross-Site Scripting (XSS) Threat Vectors

Related to This Advisory

  o Cross-Site Scripting

URL

  o https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/
    cisco-sa-20190206-webex-andro-xss

Revision History

  o
    +---------+---------------------------+---------+--------+-------------------+
    | Version |        Description        | Section | Status |       Date        |
    +---------+---------------------------+---------+--------+-------------------+
    | 1.0     | Initial public release.   | --       | Final  | 2019-February-06  |
    +---------+---------------------------+---------+--------+-------------------+

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