CVE-2023-40338: Cloudbees folder Jenkins Folders Plugin Information Disclosure Vulnerability

MODERATE
Advisory Identifier: GHSA-36hq-v2fc-rpqp
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CVSS 4.3
CWE-532 CWE-209
Published
Advisory Summary

CVE-2023-40338 is a MODERATE (CVSS 4.3) jenkins folders plugin information disclosure vulnerability (CWE-532: Insertion of Sensitive Information into Log File) affecting Cloudbees folder libraries in the Maven ecosystem. The issue involves jenkins folders plugin information disclosure vulnerability. Remediation is available by upgrading affected packages to version 6.848.ve3b.

CVE-2023-40338 at a Glance

CVE Identifier CVE-2023-40338
GHSA Identifier GHSA-36hq-v2fc-rpqp
Severity MODERATE
CVSS v3.1 Base Score 4.3
CWE Classification CWE-532: Insertion of Sensitive Information into Log File
Affected Product Cloudbees folder
Package Ecosystem Maven
Published Date
Last Updated

Security Impact

CVSS: 4.3

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

Attack Vector Network (AV:N)
Attack Complexity Low (AC:L)
Privileges Required Low (PR:L)
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-2023-40338

To remediate this vulnerability, upgrade all affected Cloudbees folder 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:cloudbees-folder fixed: 6.848.ve3b 
<dependency>
    <groupId>org.jenkins-ci.plugins</groupId>
    <artifactId>cloudbees-folder</artifactId>
    <version>6.848.ve3b</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-2023-40338, 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 Cloudbees folder in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 6.848.ve3b), 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-532: Insertion of Sensitive Information into Log File, where the product writes sensitive information to a log file. In Cloudbees folder, 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 Folders Plugin displays an error message when attempting to access the Scan Organization Folder Log if no logs are available. In Folders Plugin 6.846.v23698686f0f6 and earlier, this error message includes the absolute path of a log file, exposing information about the Jenkins controller file system. Folders Plugin 6.848.ve3b_fd7839a_81 does not display the absolute path of a log file in the error message.

CVE-2023-40338 Affected Cloudbees folder Versions

1 component(s)
Fixed Versions:
6.848.ve3b
Product / Package Ecosystem Affected Versions Fixed Version
org.jenkins-ci.plugins:cloudbees-folder
maven/org.jenkins-ci.plugins/cloudbees-folder
Maven
< 6.848.ve3b
6.848.ve3b

References

NVD — CVE-2023-40338 NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-40338
Cloudbees folder Security Information SECURITY
https://www.jenkins.io/security/advisory/2023-08-16/#SECURITY-3109
Cloudbees folder Security Information SECURITY
http://www.openwall.com/lists/oss-security/2023/08/16/3

Frequently Asked Questions

What is CVE-2023-40338?
CVE-2023-40338 is a security vulnerability in Cloudbees folder involving Jenkins Folders Plugin information disclosure vulnerability under CWE-532: Insertion of Sensitive Information into Log File.
Which Cloudbees folder versions are affected?
Affected versions include releases prior to 6.848.ve3b across affected packages: org.jenkins-ci.plugins:cloudbees-folder.
What version fixes CVE-2023-40338?
Upgrading to 6.848.ve3b (or the latest patched release for your respective branch) resolves the vulnerability.
Is cloudbees-folder affected?
Yes, org.jenkins-ci.plugins:cloudbees-folder is affected in releases prior to 6.848.ve3b. Upgrade your dependency to 6.848.ve3b or later.
What is the CVSS score of CVE-2023-40338?
CVE-2023-40338 has a CVSS v3.1 base score of 4.3 (MODERATE) with vector string CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.
What CWE is associated with CVE-2023-40338?
CVE-2023-40338 is classified under CWE-532: Insertion of Sensitive Information into Log File (The product writes sensitive information to a log file.).
How can I check Maven dependencies for CVE-2023-40338?
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-36hq-v2fc-rpqp",
  "modified" : "2023-08-16T21:13:57Z",
  "published" : "2023-08-16T15:30:17Z",
  "aliases" : [ "CVE-2023-40338" ],
  "summary" : "Jenkins Folders Plugin information disclosure vulnerability",
  "details" : "Jenkins Folders Plugin displays an error message when attempting to access the Scan Organization Folder Log if no logs are available.\n\nIn Folders Plugin 6.846.v23698686f0f6 and earlier, this error message includes the absolute path of a log file, exposing information about the Jenkins controller file system.\n\nFolders Plugin 6.848.ve3b_fd7839a_81 does not display the absolute path of a log file in the error message.",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "Maven",
      "name" : "org.jenkins-ci.plugins:cloudbees-folder"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "fixed" : "6.848.ve3b"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2023-40338"
  }, {
    "type" : "WEB",
    "url" : "https://www.jenkins.io/security/advisory/2023-08-16/#SECURITY-3109"
  }, {
    "type" : "WEB",
    "url" : "http://www.openwall.com/lists/oss-security/2023/08/16/3"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-209", "CWE-532" ],
    "severity" : "MODERATE",
    "github_reviewed" : true,
    "github_reviewed_at" : "2023-08-16T21:13:57Z",
    "nvd_published_at" : "2023-08-16T15:15:11Z"
  }
}