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

Published · last modified .

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.

EPSS exploit prediction

EPSS: 0.028 (86.5th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 87th percentile — 86.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2017-12367: held from 0.028 to 0.028.

EPSS over last 30 days · oldest: 0.028 · newest: 0.028 · change: 0.000

Affected products

  • Cisco Webex Meetings Server — versions t29, t30, t31.11.2
  • 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-2017-12367?
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.