CVE-2023-6247 Null dereference in OpenVPN 3 Core Library
A null pointer dereference in the PKCS#7 parser allows attackers to crash the application, requiring an upgrade to the OpenVPN 3 Core Library.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2023-6247?
CVE-2023-6247 is a medium-severity vulnerability in OpenVPN 3 Core Library, published on 20 Feb 2024. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
The PKCS#7 parser in OpenVPN 3 Core Library versions through 3.8.3 did not properly validate the parsed data, which would result in the application crashing.
Weakness: CWE-476
Which versions are affected by CVE-2023-6247?
It affects 1 product.
Products include Openvpn Openvpn 3.
How do I fix CVE-2023-6247?
No fix has been published for CVE-2023-6247 yet. Limit exposure of the affected software until one is available.
Is CVE-2023-6247 being exploited?
There is no known exploitation of CVE-2023-6247 in the wild and no public exploit code.
Sources
Also known as GHSA-7j74-rq7m-gr5m.