Buffer overflow in Cisco Webex Meetings

CVE-2017-12369

A "Cisco WebEx Network Recording Player Out-of-Bounds 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: CSCve30208, CSCve30214, CSCve30268.

Vulnerability class: Buffer Overflow

EPSS: 0.030 (86.4th 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 — versions t29, t30, t31
  • N/a Cisco Webex Recording Format And Advanced Players — versions Cisco WebEx Recording Format and Advanced Recording Format Players

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2017-12369?
CVE-2017-12369 is a critical-severity vulnerability in Cisco Webex Meetings, 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-2017-12369?
Critical severity. CVSS v3 base score is 9.6 out of 10.