CVE-2024-34146: Git server Jenkins Git Server Plugin Does Vulnerability

MODERATE
Advisory Identifier: GHSA-xh9c-vcf9-h94m
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CVSS 5.3
CWE-269
Published
Advisory Summary

CVE-2024-34146 is a MODERATE (CVSS 5.3) jenkins git server plugin does vulnerability (CWE-269: Improper Privilege Management) affecting Git server libraries in the Maven ecosystem. The issue involves jenkins git server plugin does not perform a permission check. Remediation is available by upgrading affected packages to version 117.veb.

CVE-2024-34146 at a Glance

CVE Identifier CVE-2024-34146
GHSA Identifier GHSA-xh9c-vcf9-h94m
Severity MODERATE
CVSS v3.1 Base Score 5.3
CWE Classification CWE-269: Improper Privilege Management
Affected Product Git server
Package Ecosystem Maven
Published Date
Last Updated

Security Impact

CVSS: 5.3

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:L/I:N/A:N).

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 Low (C:L)
Integrity None (I:N)
Availability None (A:N)

How to Fix CVE-2024-34146

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

org.jenkins-ci.plugins:git-server fixed: 117.veb 
<dependency>
    <groupId>org.jenkins-ci.plugins</groupId>
    <artifactId>git-server</artifactId>
    <version>117.veb</version>
</dependency>
Verify Direct and Transitive Dependencies

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

mvn dependency:tree -Dincludes=org.jenkins-ci.plugins

How to Check if You Are Affected

To determine whether your Java application is affected by CVE-2024-34146, inspect your build dependencies using the Maven Dependency Plugin:

mvn dependency:tree -Dincludes=org.jenkins-ci.plugins

Analyze the terminal output to locate any version of Git server in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 117.veb), your application is affected.

Note: The mvn dependency:tree -Dincludes=org.jenkins-ci.plugins command inspects the resolved dependency graph declared in your project's POM files; it does not perform automated security scanning or inspect runtime dynamic classpaths. Always verify runtime container classpaths and shaded JARs.

Technical Details

Vulnerability Mechanism & Technical Analysis

This vulnerability is classified under CWE-269: Improper Privilege Management, where the product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. In Git server, 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

Jenkins Git server Plugin 114.v068a_c7cc2574 and earlier does not perform a permission check for read access to a Git repository over SSH. This allows attackers with a previously configured SSH public key but lacking Overall/Read permission to access Git repositories. Git server Plugin 117.veb_68868fa_027 requires Overall/Read permission to access Git repositories over SSH.

CVE-2024-34146 Affected Git server Versions

1 component(s)
Fixed Versions:
117.veb
Product / Package Ecosystem Affected Versions Fixed Version
org.jenkins-ci.plugins:git-server
maven/org.jenkins-ci.plugins/git-server
Maven
< 117.veb
117.veb

References

NVD — CVE-2024-34146 NVD
https://nvd.nist.gov/vuln/detail/CVE-2024-34146
Git server Security Information SECURITY
https://www.jenkins.io/security/advisory/2024-05-02/#SECURITY-3342
Git server Security Information SECURITY
http://www.openwall.com/lists/oss-security/2024/05/02/3

Frequently Asked Questions

What is CVE-2024-34146?
CVE-2024-34146 is a security vulnerability in Git server involving Jenkins Git server Plugin does not perform a permission check under CWE-269: Improper Privilege Management.
Which Git server versions are affected?
Affected versions include releases prior to 117.veb across affected packages: org.jenkins-ci.plugins:git-server.
What version fixes CVE-2024-34146?
Upgrading to 117.veb (or the latest patched release for your respective branch) resolves the vulnerability.
Is git-server affected?
Yes, org.jenkins-ci.plugins:git-server is affected in releases prior to 117.veb. Upgrade your dependency to 117.veb or later.
What is the CVSS score of CVE-2024-34146?
CVE-2024-34146 has a CVSS v3.1 base score of 5.3 (MODERATE) with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.
What CWE is associated with CVE-2024-34146?
CVE-2024-34146 is classified under CWE-269: Improper Privilege Management (The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor.).
How can I check Maven dependencies for CVE-2024-34146?
Run the dependency tree command: 'mvn dependency:tree -Dincludes=org.jenkins-ci.plugins'. 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-xh9c-vcf9-h94m",
  "modified" : "2024-07-03T20:10:32Z",
  "published" : "2024-05-02T15:30:35Z",
  "aliases" : [ "CVE-2024-34146" ],
  "summary" : "Jenkins Git server Plugin does not perform a permission check",
  "details" : "Jenkins Git server Plugin 114.v068a_c7cc2574 and earlier does not perform a permission check for read access to a Git repository over SSH.\n\nThis allows attackers with a previously configured SSH public key but lacking Overall/Read permission to access Git repositories.\n\nGit server Plugin 117.veb_68868fa_027 requires Overall/Read permission to access Git repositories over SSH.",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "Maven",
      "name" : "org.jenkins-ci.plugins:git-server"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "fixed" : "117.veb"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2024-34146"
  }, {
    "type" : "WEB",
    "url" : "https://www.jenkins.io/security/advisory/2024-05-02/#SECURITY-3342"
  }, {
    "type" : "WEB",
    "url" : "http://www.openwall.com/lists/oss-security/2024/05/02/3"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-269" ],
    "severity" : "MODERATE",
    "github_reviewed" : true,
    "github_reviewed_at" : "2024-05-03T20:16:28Z",
    "nvd_published_at" : "2024-05-02T14:15:10Z"
  }
}