Advisory Details

June 23rd, 2017

Cisco WebEx Network Recording Player ARF File CImageList Use-After-Free Remote Code Execution Vulnerability

CVE ID	CVE-2017-6669
CVSS SCORE	6.8, AV:N/AC:M/Au:N/C:P/I:P/A:P
AFFECTED VENDORS	Cisco
AFFECTED PRODUCTS	WebEx
VULNERABILITY DETAILS	This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Cisco WebEx Network Recording Player. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the processing of ARF files. The issue results from the lack of validating the existence of an object prior to performing operations on the object. An attacker can leverage this vulnerability to execute arbitrary code under the context of the current process.
ADDITIONAL DETAILS	Cisco has issued an update to correct this vulnerability. More details can be found at: https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170621-wnrp
DISCLOSURE TIMELINE	2016-12-12 - Vulnerability reported to vendor 2017-06-23 - Coordinated public release of advisory
CREDIT	Steven Seeley of Source Incite

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