CVE-2022-4952 Denial of service in csharp-language-server-protocol
Attackers can cause resource consumption in OmniSharp csharp-language-server-protocol via the JSON Serializer, leading to denial of 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-2022-4952?
CVE-2022-4952 is a low-severity denial of service vulnerability in OmniSharp csharp-language-server-protocol, published on 17 Jul 2023. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A vulnerability has been found in OmniSharp csharp-language-server-protocol up to 0.19.6 and classified as problematic. This vulnerability affects the function CreateSerializerSettings of the file src/JsonRpc/Serialization/SerializerBase.cs of the component JSON Serializer. The manipulation leads to resource consumption. Upgrading to version 0.19.7 is able to address this issue. The patch is identified as 7fd2219f194a9ef2a8901bb131c5fa12272305ce. It is recommended to upgrade the affected component. VDB-234238 is the identifier assigned to this vulnerability.
Weakness: CWE-400
Which versions are affected by CVE-2022-4952?
It affects 1 product.
Products include Dotnetfoundation C\# Language Server Protocol.
How do I fix CVE-2022-4952?
No fix has been published for CVE-2022-4952 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2022-4952 being exploited?
There is no known exploitation of CVE-2022-4952 in the wild and no public exploit code.
Sources
Also known as GHSA-g656-2879-jqrc.