Buffer overflow in Cisco Webex Meetings Server
CVE-2017-12367
A "Cisco WebEx Network Recording Player Denial of Service Vulnerability" exists in Cisco WebEx Network Recording Player for Advanced Recording Format (ARF) and WebEx Recording Format (WRF) files. A remote attacker could exploit this by providing a user with a malicious ARF or WRF file via email or URL and convincing the user to launch the file. Exploitation of this could cause an affected player to crash and, in some cases, could allow arbitrary code execution on the system of a targeted user. Cisco Bug IDs: CSCve11545, CSCve02843, CSCve11548.
Vulnerability class: Buffer Overflow
EPSS: 0.028 (85.7th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.6 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H.
Affected products
- Cisco Webex_meetings_server — versions t29, t30, t31.11.2
- N/a Cisco Webex Recording Format And Advanced Players — versions Cisco WebEx Recording Format and Advanced Recording Format Players
Weakness classification (CWE)
References
- psirt@cisco.com (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
- psirt@cisco.com (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_SECTRACK)
- psirt@cisco.com (x_refsource_CONFIRM, Vendor Advisory)
Frequently asked questions
- What is CVE-2017-12367?
- CVE-2017-12367 is a critical-severity vulnerability in Cisco Webex Meetings Server, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 9.6/10. Published 2017-11-30.
- How severe is CVE-2017-12367?
- Critical severity. CVSS v3 base score is 9.6 out of 10.