CVE-2017-6669 Memory corruption in Cisco WebEx Network Recording Player
Buffer overflows in Cisco WebEx Network Recording Player allow arbitrary code execution or crashes when users open malicious ARF files.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2017-6669?
CVE-2017-6669 is a high-severity memory corruption vulnerability in Cisco WebEx Network Recording Player, published on 26 Jun 2017. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
Multiple buffer overflow vulnerabilities exist in the Cisco WebEx Network Recording Player for Advanced Recording Format (ARF) files. An attacker could exploit these vulnerabilities by providing a user with a malicious ARF file via email or URL and convincing the user to launch the file. Exploitation of these vulnerabilities could cause an affected player to crash and, in some cases, could allow arbitrary code execution on the system of a targeted user. The Cisco WebEx Network Recording Player is an application that is used to play back WebEx meeting recordings that have been recorded on the computer of an online meeting attendee. The player can be automatically installed when the user accesses a recording file that is hosted on a WebEx server. The following client builds are affected by this vulnerability: Cisco WebEx Business Suite (WBS29) client builds prior to T29.13.130, Cisco WebEx Business Suite (WBS30) client builds prior to T30.17, Cisco WebEx Business Suite (WBS31) client builds prior to T31.10. Cisco Bug IDs: CSCvc47758 CSCvc51227 CSCvc51242.
Weakness: CWE-119
Which versions are affected by CVE-2017-6669?
It affects 1 product.
Products include Cisco Webex Advanced Recording Format Player.
How do I fix CVE-2017-6669?
No fix has been published for CVE-2017-6669 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-2017-6669 being exploited?
There is no known exploitation of CVE-2017-6669 in the wild and no public exploit code.
Other vulnerabilities in Cisco WebEx Network Recording Player
Sources
Also known as GHSA-rvqf-c4mj-p3xw.