CVE-2017-6669: Buffer Overflow
Multiple buffer overflow vulnerabilities exist in the Cisco WebEx Network Recording Player for Advanced Recording Format (ARF) files. An attacker could exploit these vulnerabilities by providing a user with a malicious ARF file via email or URL and convincing the user to launch the file. Exploitation of these vulnerabilities could cause an affected player to crash and, in some cases, could allow arbitrary code execution on the system of a targeted user. The Cisco WebEx Network Recording Player is an application that is used to play back WebEx meeting recordings that have been recorded on the computer of an online meeting attendee. The player can be automatically installed when the user accesses a recording file that is hosted on a WebEx server. The following client builds are affected by this vulnerability: Cisco WebEx Business Suite (WBS29) client builds prior to T29.13.130, Cisco WebEx Business Suite (WBS30) client builds prior to T30.17, Cisco WebEx Business Suite (WBS31) client builds prior to T31.10. Cisco Bug IDs: CSCvc47758 CSCvc51227 CSCvc51242.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2017-6669?
CVE-2017-6669 has been rated as high severity due to the potential for remote code execution via specially crafted ARF files.
How do I fix CVE-2017-6669?
To mitigate CVE-2017-6669, users should update to the latest version of Cisco WebEx Network Recording Player that addresses this vulnerability.
What types of devices are affected by CVE-2017-6669?
CVE-2017-6669 specifically affects the Cisco WebEx Advanced Recording Format Player version 29.10.
How could an attacker exploit CVE-2017-6669?
An attacker could exploit CVE-2017-6669 by sending a malicious ARF file to a user and tricking them into running the file.
Is CVE-2017-6669 still a risk if I don't use Cisco WebEx?
If you do not use Cisco WebEx Network Recording Player, CVE-2017-6669 does not pose a risk to your systems.