CVE-2017-12367 Memory corruption in Cisco WebEx Recording Format and Advanced Recording Format Players
A remote attacker can cause a crash or execute arbitrary code by tricking a user into opening a malicious WebEx recording file.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2017-12367?
CVE-2017-12367 is a critical memory corruption vulnerability in Cisco Webex Meetings Server, published on 30 Nov 2017. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
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.
Which versions are affected by CVE-2017-12367?
It affects 1 product.
Products include Cisco Webex Meetings Server.
How do I fix CVE-2017-12367?
No fix has been published for CVE-2017-12367 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2017-12367 being exploited?
There is no known exploitation of CVE-2017-12367 in the wild and no public exploit code.
Other vulnerabilities in Cisco Webex Meetings Server
Sources
Also known as GHSA-64cr-34vr-ch4q.