critical
9.3
CWE
787 20
Advisory Published
Updated

CVE-2018-15421: Cisco Webex Network Recording Player Remote Code Execution Vulnerabilities

First published: Fri Oct 05 2018(Updated: )

A vulnerability in the Cisco Webex Network Recording Player for Microsoft Windows and the Cisco Webex Player for Microsoft Windows could allow an attacker to execute arbitrary code on an affected system. The vulnerability exist because the affected software improperly validates Advanced Recording Format (ARF) and Webex Recording Format (WRF) files. An attacker could exploit this vulnerability by sending a user a malicious ARF or WRF file via a link or an email attachment and persuading the user to open the file by using the affected software. A successful exploit could allow the attacker to execute arbitrary code on the affected system.

Credit: ykramarz@cisco.com

Affected SoftwareAffected VersionHow to fix
Cisco Webex Meetings Online<1.3.37
Cisco WebEx Meetings Server=2.5-maintenance_release2_patch1
Cisco WebEx Meetings Server=2.5-maintenance_release5_patch1
Cisco WebEx Meetings Server=2.5-maintenance_release6_patch2
Cisco WebEx Meetings Server=2.5-maintenance_release6_patch3
Cisco WebEx Meetings Server=2.5-maintenance_release6_patch4
Cisco WebEx Meetings Server=2.5.1.29
Cisco WebEx Meetings Server=2.6
Cisco WebEx Meetings Server=2.6-maintenance_release1_patch1
Cisco WebEx Meetings Server=2.6-maintenance_release2_patch1
Cisco WebEx Meetings Server=2.6-maintenance_release3_patch1
Cisco WebEx Meetings Server=2.6-maintenance_release3_patch2
Cisco WebEx Meetings Server=2.7
Cisco WebEx Meetings Server=2.7-base
Cisco WebEx Meetings Server=2.7-maintenance_release1_patch1
Cisco WebEx Meetings Server=2.7-maintenance_release2_patch1
Cisco WebEx Meetings Server=2.7.1
Cisco WebEx Meetings Server=2.8
Cisco WebEx Meetings Server=2.8-base
Cisco Webex Business Suite 32<32.15.10
Cisco Webex Business Suite 33<33.3

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Reference Links

Frequently Asked Questions

  • What is CVE-2018-15421?

    CVE-2018-15421 is a vulnerability in the Cisco Webex Network Recording Player and the Cisco Webex Player for Microsoft Windows that could allow an attacker to execute arbitrary code on an affected system.

  • How severe is CVE-2018-15421?

    CVE-2018-15421 has a severity score of 7.8 (critical).

  • Which software is affected by CVE-2018-15421?

    The Cisco Webex Network Recording Player for Microsoft Windows and the Cisco Webex Player for Microsoft Windows are affected by CVE-2018-15421.

  • How can I fix CVE-2018-15421?

    To fix CVE-2018-15421, apply the necessary security updates provided by Cisco.

  • Where can I find more information about CVE-2018-15421?

    You can find more information about CVE-2018-15421 on the Cisco Security Advisory page, as well as on SecurityFocus and SecurityTracker.

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