CVE-2019-1674 Cisco Webex Meetings Desktop App and Cisco Webex Productivity Tools Update Service Command Injection Vulnerability
Local attackers can execute arbitrary commands with SYSTEM privileges via the update service, potentially escalating privileges in Active Directory environments.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2019-1674?
CVE-2019-1674 is a high-severity command injection vulnerability in Cisco Webex Meetings, published on 28 Feb 2019. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A vulnerability in the update service of Cisco Webex Meetings Desktop App and Cisco Webex Productivity Tools for Windows could allow an authenticated, local attacker to execute arbitrary commands as a privileged user. The vulnerability is due to insufficient validation of user-supplied parameters. An attacker could exploit this vulnerability by invoking the update service command with a crafted argument. An exploit could allow the attacker to run arbitrary commands with SYSTEM user privileges. While the CVSS Attack Vector metric denotes the requirement for an attacker to have local access, administrators should be aware that in Active Directory deployments, the vulnerability could be exploited remotely by leveraging the operating system remote management tools. This vulnerability is fixed in Cisco Webex Meetings Desktop App Release 33.6.6 and 33.9.1 releases. This vulnerability is fixed in Cisco Webex Productivity Tools Release 33.0.7.
Weakness: CWE-78
Which versions are affected by CVE-2019-1674?
It affects 3 products.
Products include Cisco Webex Meetings, Cisco Webex Meetings Online, Cisco Webex Productivity Tools.
How do I fix CVE-2019-1674?
No fix has been published for CVE-2019-1674 yet. Limit exposure of the affected software until one is available.
Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.
Is CVE-2019-1674 being exploited?
There is no known exploitation of CVE-2019-1674 in the wild and no public exploit code.
Public exploit code: 1 Exploit-DB entry.
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-r6w6-ww22-j2ff.