CVE-2019-16001 Cisco Webex Teams for Windows DLL Hijacking Vulnerability
An authenticated local attacker can execute arbitrary code with another user's privileges via DLL hijacking in Cisco Webex Teams for Windows.
- 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-2019-16001?
CVE-2019-16001 is a medium-severity code injection vulnerability in Cisco Webex Meetings, published on 26 Nov 2019. 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
A vulnerability in the loading mechanism of specific dynamic link libraries in Cisco Webex Teams for Windows could allow an authenticated, local attacker to perform a DLL hijacking attack. To exploit this vulnerability, the attacker would need to have valid credentials on the Windows system. The vulnerability is due to insufficient validation of the resources loaded by the application at run time. An attacker could exploit this vulnerability by crafting a malicious DLL file and placing it in a specific location on the targeted system. The malicious DLL file would execute when the vulnerable application is launched. A successful exploit could allow the attacker to execute arbitrary code on the target machine with the privileges of another user account.
Weakness: CWE-427
Which versions are affected by CVE-2019-16001?
It affects 2 products.
Products include Cisco Webex Meetings, Cisco Webex Teams.
How do I fix CVE-2019-16001?
No fix has been published for CVE-2019-16001 yet. Limit exposure of the affected software until one is available.
Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.
Is CVE-2019-16001 being exploited?
There is no known exploitation of CVE-2019-16001 in the wild and no public exploit code.
Other vulnerabilities in Cisco Webex Meetings
- CVE-2017-12368 Memory corruption in Cisco WebEx Recording Format and Advanced Recording Format Players
- CVE-2017-12369 Memory corruption in Cisco WebEx Recording Format and Advanced Recording Format Players
- CVE-2017-12370 Memory corruption in Cisco WebEx Recording Format and Advanced Recording Format Players
- CVE-2017-12371 Memory corruption in Cisco WebEx Recording Format and Advanced Recording Format Players
- CVE-2017-12372 Memory corruption in Cisco WebEx Recording Format and Advanced Recording Format Players
Sources
Also known as GHSA-fvwq-fqr3-fwqf.