Headline
CVE-2018-0387: Cisco Security Advisory: Cisco Webex Teams Remote Code Execution Vulnerability
A vulnerability in Cisco Webex Teams (for Windows and macOS) could allow an unauthenticated, remote attacker to execute arbitrary code on the user’s device, possibly with elevated privileges. The vulnerability occurs because Cisco Webex Teams does not properly sanitize input. An attacker could exploit the vulnerability by sending a user a malicious link and persuading the user to follow the link. A successful exploit could allow the attacker to execute arbitrary code on the user’s system. Cisco Bug IDs: CSCvh66250.
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Summary
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A vulnerability in Cisco Webex Teams could allow an unauthenticated, remote attacker to execute arbitrary code on the user’s device, possibly with elevated privileges.
The vulnerability occurs because Cisco Webex Teams does not properly sanitize input. An attacker could exploit the vulnerability by sending a user a malicious link and persuading the user to follow the link. A successful exploit could allow the attacker to execute arbitrary code on the user’s system.
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Affected Products
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This vulnerability affects Cisco Webex Teams for Windows and Cisco Webex Teams for MacOS. For information about affected software releases, consult the Cisco bug ID(s) at the top of this advisory.
Only products listed in the Vulnerable Products section of this advisory are known to be affected by this vulnerability.
Cisco has confirmed that this vulnerability does not affect Cisco Webex Teams for Android or Cisco Webex Teams for iPhone.
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Workarounds
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- There are no workarounds that address this vulnerability.
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Fixed Software
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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.
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Exploitation and Public Announcements
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- 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.
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Source
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- Cisco would like to thank Alexey Sintsov from HERE Technologies for reporting this vulnerability.
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Cisco Security Vulnerability Policy
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- 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.
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URL
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Revision History
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Version
Description
Section
Status
Date
1.0
Initial public release.
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Final
2018-July-18
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