CVE-2018-0437 Cisco Umbrella Enterprise Roaming Client and Enterprise Roaming Module Privilege Escalation Vulnerability
Local authenticated attackers can elevate privileges to Administrator by placing executables in restricted directories due to improper file system permissions.
- 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-2018-0437?
CVE-2018-0437 is a high-severity vulnerability in Cisco Umbrella, published on 5 Oct 2018. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A vulnerability in the Cisco Umbrella Enterprise Roaming Client (ERC) could allow an authenticated, local attacker to elevate privileges to Administrator. To exploit the vulnerability, the attacker must authenticate with valid local user credentials. This vulnerability is due to improper implementation of file system permissions, which could allow non-administrative users to place files within restricted directories. An attacker could exploit this vulnerability by placing an executable file within the restricted directory, which when executed by the ERC client, would run with Administrator privileges.
Which versions are affected by CVE-2018-0437?
It affects 2 products.
Products include Cisco Umbrella Enterprise Roaming Client, Cisco Umbrella Roaming Module.
How do I fix CVE-2018-0437?
No fix has been published for CVE-2018-0437 yet. Limit exposure of the affected software until one is available.
Is CVE-2018-0437 being exploited?
There is no known exploitation of CVE-2018-0437 in the wild and no public exploit code.
Public exploit code: 1 Exploit-DB entry.
Other vulnerabilities in Cisco Umbrella
Sources
Also known as GHSA-3qw3-rvqg-98qf.