Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1336 CNY

100%
Buy Us a Coffee

CVE-2022-4952— OmniSharp csharp-language-server-protocol JSON Serializer SerializerBase.cs CreateSerializerSettings resource consumption

Quick assessment

Affected
OmniSharp csharp-language-server-protocol
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

OmniSharp csharp-language-server-protocol是OmniSharp的C语言服务器协议。 OmniSharp csharp-language-server-protocol 0.19.7之前版本存在资源管理错误漏洞，该漏洞源于文件src/JsonRpc/Serialization/SerializerBase.cs中的CreateSerializerSettings函数会导致资源消耗。

CVSS 3.5 · Low EPSS 0.89% · P57

Possible ATT&CK Techniques 1 AI

T1496 · Resource Hijacking
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2022-4952

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
OmniSharp csharp-language-server-protocol JSON Serializer SerializerBase.cs CreateSerializerSettings resource consumption
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
未加控制的资源消耗(资源穷尽)
Source: CVE Program / CVE List V5
Vulnerability Title
OmniSharp csharp-language-server-protocol 资源管理错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
OmniSharp csharp-language-server-protocol是OmniSharp的C# 语言服务器协议。 OmniSharp csharp-language-server-protocol 0.19.7之前版本存在资源管理错误漏洞，该漏洞源于文件src/JsonRpc/Serialization/SerializerBase.cs中的CreateSerializerSettings函数会导致资源消耗。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
OmniSharp csharp-language-server-protocol 0.19.0 -

II. Public POCs for CVE-2022-4952

# POC Description Source Link Shenlong Link
AI-Generated POC Premium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2022-4952

请登录查看更多情报信息。

Patches & Fixes for CVE-2022-4952 (2)

Vendor Advisories for CVE-2022-4952 (1)

Other References for CVE-2022-4952 (1)

IV. Related Vulnerabilities

Same weakness: CWE-400

V. Comments for CVE-2022-4952

No comments yet

Leave a comment