CVE-2019-19470 Deserialization in n/a
Local attackers can escalate privileges to SYSTEM via unsafe .NET deserialization in TinyWall's named pipe processing.
- 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-2019-19470?
CVE-2019-19470 is a high-severity unsafe deserialization vulnerability in n/a, published on 30 Dec 2019. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Unsafe usage of .NET deserialization in Named Pipe message processing allows privilege escalation to NT AUTHORITY\SYSTEM for a local attacker. Affected product is TinyWall, all versions up to and including 2.1.12. Fixed in version 2.1.13.
Weakness: CWE-502
Which versions are affected by CVE-2019-19470?
It affects 1 product.
Products include Tinywall Tinywall.
How do I fix CVE-2019-19470?
No fix has been published for CVE-2019-19470 yet. Limit exposure of the affected software until one is available.
Upgrade, and only deserialise data from trusted sources or with an allow-list of types. More about Unsafe deserialization.
Is CVE-2019-19470 being exploited?
There is no known exploitation of CVE-2019-19470 in the wild and no public exploit code.
Public exploit code: 1 proofs of concept on GitHub.
Sources
Also known as GHSA-fx9h-h562-86qx.