CVE-2018-4009 Privilege escalation in Shimo VPN
A local attacker can escalate privileges to root in Shimo VPN due to improper code signing validation in the helper service.
- 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-2018-4009?
CVE-2018-4009 is a high-severity vulnerability in Shimo VPN, published on 15 Apr 2019. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
An exploitable privilege escalation vulnerability exists in the Shimo VPN helper service due to improper validation of code signing. A user with local access can use this vulnerability to raise their privileges to root. An attacker would need local access to the machine to successfully exploit this bug.
Weakness: CWE-494
Which versions are affected by CVE-2018-4009?
It affects 1 product.
Products include Shimovpn Shimo Vpn.
How do I fix CVE-2018-4009?
No fix has been published for CVE-2018-4009 yet. Limit exposure of the affected software until one is available.
Is CVE-2018-4009 being exploited?
There is no known exploitation of CVE-2018-4009 in the wild and no public exploit code.
Other vulnerabilities in Shimo VPN
Sources
Also known as GHSA-2442-7w3j-mf4f.