Advisory Details

August 31st, 2018

Cisco WebEx Recorder and Player WRF File Heap-based Buffer Overflow Vulnerability

CVE ID	CVE-2018-0379
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 Recorder and 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 parsing of WRF files. Crafted data can trigger an overflow of a heap-based buffer. An attacker can leverage this vulnerability to execute 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-20180718-webex-rce
DISCLOSURE TIMELINE	2018-04-04 - Vulnerability reported to vendor 2018-08-31 - Coordinated public release of advisory 2018-08-31 - Advisory Updated
CREDIT	Steven Seeley (mr_me) of Source Incite

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