CVE-2022-35540: AgileConfig.Client Use Of Hard-coded Credentials Vulnerability

CRITICAL
Advisory Identifier: GHSA-mj5w-w588-j6xg
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CVSS 9.8
CWE-798
Published
Advisory Summary

CVE-2022-35540 is a CRITICAL (CVSS 9.8) use of hard-coded credentials vulnerability (CWE-798: Use of Hard-coded Credentials) affecting AgileConfig.Client libraries in the NuGet ecosystem. The issue involves use of hard-coded credentials in agileconfig.client. Remediation is available by upgrading affected packages to version 1.6.8.

CVE-2022-35540 at a Glance

CVE Identifier CVE-2022-35540
GHSA Identifier GHSA-mj5w-w588-j6xg
Severity CRITICAL
CVSS v3.1 Base Score 9.8
CWE Classification CWE-798: Use of Hard-coded Credentials
Affected Product AgileConfig.Client
Package Ecosystem NuGet
Published Date
Last Updated

Security Impact

CVSS: 9.8

The security impact metrics below are parsed directly from the CVSS v3.1 vector string (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H).

Attack Vector Network (AV:N)
Attack Complexity Low (AC:L)
Privileges Required None (PR:N)
User Interaction None (UI:N)
Scope Unchanged (S:U)
Confidentiality High (C:H)
Integrity High (I:H)
Availability High (A:H)

How to Fix CVE-2022-35540

To remediate this vulnerability, upgrade all affected AgileConfig.Client dependencies to a patched release. Both direct and transitive dependencies should be checked, as frameworks or security libraries may pull in vulnerable versions transitively.

AgileConfig.Client fixed: 1.6.8 
Upgrade AgileConfig.Client to 1.6.8
Verify Direct and Transitive Dependencies

Run the following command in your project directory to verify that all resolved dependencies use the patched release: 

inspect dependencies for AgileConfig.Client

How to Check if You Are Affected

To determine whether your application is affected by CVE-2022-35540, inspect your project dependencies for AgileConfig.Client:

inspect dependencies for AgileConfig.Client

Analyze the terminal output to locate any version of AgileConfig.Client in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 1.6.8), your application is affected.

Note: Verify declared build manifests and deployed runtime container environments.

Technical Details

Vulnerability Mechanism & Technical Analysis

This vulnerability is classified under CWE-798: Use of Hard-coded Credentials, where the product contains hard-coded credentials, such as a password or cryptographic key. In AgileConfig.Client, software state validation or input boundaries are circumvented during processing. Review the official source advisory statement below for specific affected components, classes, and reproduction details.

Source Advisory Statement

Hardcoded JWT Secret in AgileConfig <1.6.8 Server allows remote attackers to use the generated JWT token to gain administrator access.

CVE-2022-35540 Affected AgileConfig.Client Versions

1 component(s)
Fixed Versions:
1.6.8
Product / Package Ecosystem Affected Versions Fixed Version
AgileConfig.Client
nuget/AgileConfig.Client
NuGet
< 1.6.8
1.6.8

References

NVD — CVE-2022-35540 NVD
https://nvd.nist.gov/vuln/detail/CVE-2022-35540
AgileConfig.Client Source Repository REPOSITORY
https://github.com/dotnetcore/AgileConfig/issues/91
AgileConfig.Client Source Repository REPOSITORY
https://github.com/dotnetcore/AgileConfig

Frequently Asked Questions

What is CVE-2022-35540?
CVE-2022-35540 is a security vulnerability in AgileConfig.Client involving Use of Hard-coded Credentials in AgileConfig.Client under CWE-798: Use of Hard-coded Credentials.
Which AgileConfig.Client versions are affected?
Affected versions include releases prior to 1.6.8 across affected packages: AgileConfig.Client.
What version fixes CVE-2022-35540?
Upgrading to 1.6.8 (or the latest patched release for your respective branch) resolves the vulnerability.
Is AgileConfig.Client affected?
Yes, AgileConfig.Client is affected in releases prior to 1.6.8. Upgrade your dependency to 1.6.8 or later.
What is the CVSS score of CVE-2022-35540?
CVE-2022-35540 has a CVSS v3.1 base score of 9.8 (CRITICAL) with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
What CWE is associated with CVE-2022-35540?
CVE-2022-35540 is classified under CWE-798: Use of Hard-coded Credentials (The product contains hard-coded credentials, such as a password or cryptographic key.).
How can I check NuGet dependencies for CVE-2022-35540?
Run the dependency tree command: 'inspect dependencies for AgileConfig.Client'. This command lists direct and transitive dependencies in your build configuration so you can verify if a vulnerable version is resolved.
Machine-readable OSV JSON OSV v1.5 Schema
Normalized schema output
View Raw JSON 
{
  "schema_version" : "1.4.0",
  "id" : "GHSA-mj5w-w588-j6xg",
  "modified" : "2022-08-30T20:19:47Z",
  "published" : "2022-08-19T00:00:16Z",
  "aliases" : [ "CVE-2022-35540" ],
  "summary" : "Use of Hard-coded Credentials in AgileConfig.Client",
  "details" : "Hardcoded JWT Secret in AgileConfig <1.6.8 Server allows remote attackers to use the generated JWT token to gain administrator access.",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "NuGet",
      "name" : "AgileConfig.Client"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "fixed" : "1.6.8"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2022-35540"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/dotnetcore/AgileConfig/issues/91"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/dotnetcore/AgileConfig"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-798" ],
    "severity" : "CRITICAL",
    "github_reviewed" : true,
    "github_reviewed_at" : "2022-08-30T20:19:47Z",
    "nvd_published_at" : "2022-08-18T23:15:00Z"
  }
}