Advisory Details

August 31st, 2018

Cisco WebEx Network Recording Player NBRQA Integer Overflow Remote Code Execution Vulnerability

CVE ID	CVE-2018-0379
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 NBRQA.DLL module. Crafted data in an ARF file can trigger an integer overflow before allocating a 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	2018-03-23 - Vulnerability reported to vendor 2018-08-31 - Coordinated public release of advisory 2018-08-31 - Advisory Updated
CREDIT	Steven Seeley (mr_me) of Offensive Security

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