Advisory Details

October 8th, 2018

Cisco WebEx Network Recording Player PROVIDER ARF File Integer Underflow Remote Code Execution Vulnerability

CVE ID	CVE-2018-15418
CVSS SCORE	5.1, AV:N/AC:H/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 PROVIDER.DLL module. Crafted data in an ARF file can trigger an integer underflow before a memory write operation. An attacker can leverage this vulnerability to execute code in 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-20181003-webex-rce
DISCLOSURE TIMELINE	2018-06-06 - Vulnerability reported to vendor 2018-10-08 - Coordinated public release of advisory 2018-10-08 - Advisory Updated
CREDIT	Steven Seeley (mr_me) of Source Incite

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