CVE-2019-3999 Command injection in Druva inSync Windows Client
A local attacker can execute arbitrary OS commands with SYSTEM privileges via improper neutralization in the Druva inSync Windows Client.
- 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-2019-3999?
CVE-2019-3999 is a high-severity command injection vulnerability in Druva inSync Windows Client, published on 25 Feb 2020. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Improper neutralization of special elements used in an OS command in Druva inSync Windows Client 6.5.0 allows a local, unauthenticated attacker to execute arbitrary operating system commands with SYSTEM privileges.
Weakness: CWE-78
Which versions are affected by CVE-2019-3999?
It affects 1 product.
Products include Druva Insync Client.
How do I fix CVE-2019-3999?
No fix has been published for CVE-2019-3999 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-2019-3999 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2019-3999 exists.
Public exploit code: 1 Metasploit module and 1 Exploit-DB entry.
Other vulnerabilities in Druva inSync Windows Client
Sources
Also known as GHSA-xm72-wm3m-qgm7.