CVE-2023-40342: Flaky test handler Cross-Site Scripting Vulnerability

HIGH
Advisory Identifier: GHSA-hv48-hgp6-xpqf
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CVSS 8.0
CWE-79
Published
Advisory Summary

CVE-2023-40342 is a HIGH (CVSS 8.0) cross-site scripting vulnerability (CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')) affecting Flaky test handler libraries in the Maven ecosystem. The issue involves jenkins flaky test handler plugin stored cross-site scripting vulnerability. Remediation is available by upgrading affected packages to version 1.2.3.

CVE-2023-40342 at a Glance

CVE Identifier CVE-2023-40342
GHSA Identifier GHSA-hv48-hgp6-xpqf
Severity HIGH
CVSS v3.1 Base Score 8.0
CWE Classification CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Affected Product Flaky test handler
Package Ecosystem Maven
Published Date
Last Updated

Security Impact

CVSS: 8.0

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:R/S:U/C:H/I:H/A:H).

Attack Vector Network (AV:N)
Attack Complexity Low (AC:L)
Privileges Required Low (PR:L)
User Interaction Required (UI:R)
Scope Unchanged (S:U)
Confidentiality High (C:H)
Integrity High (I:H)
Availability High (A:H)

How to Fix CVE-2023-40342

To remediate this vulnerability, upgrade all affected Flaky test handler 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:flaky-test-handler fixed: 1.2.3 
<dependency>
    <groupId>org.jenkins-ci.plugins</groupId>
    <artifactId>flaky-test-handler</artifactId>
    <version>1.2.3</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-2023-40342, 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 Flaky test handler in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 1.2.3), 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-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting'), where the product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. In Flaky test handler, 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 Flaky Test Handler Plugin 1.2.2 and earlier does not escape JUnit test contents when showing them on the Jenkins UI. This results in a stored cross-site scripting (XSS) vulnerability exploitable by attackers able to control JUnit report file contents. Flaky Test Handler Plugin 1.2.3 escapes JUnit test contents when showing them on the Jenkins UI.

CVE-2023-40342 Affected Flaky test handler Versions

1 component(s)
Fixed Versions:
1.2.3
Product / Package Ecosystem Affected Versions Fixed Version
org.jenkins-ci.plugins:flaky-test-handler
maven/org.jenkins-ci.plugins/flaky-test-handler
Maven
< 1.2.3
1.2.3

References

NVD — CVE-2023-40342 NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-40342
Flaky test handler Security Information SECURITY
https://www.jenkins.io/security/advisory/2023-08-16/#SECURITY-3223
Flaky test handler Security Information SECURITY
http://www.openwall.com/lists/oss-security/2023/08/16/3

Frequently Asked Questions

What is CVE-2023-40342?
CVE-2023-40342 is a security vulnerability in Flaky test handler involving Jenkins Flaky Test Handler Plugin stored cross-site scripting vulnerability under CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting').
Which Flaky test handler versions are affected?
Affected versions include releases prior to 1.2.3 across affected packages: org.jenkins-ci.plugins:flaky-test-handler.
What version fixes CVE-2023-40342?
Upgrading to 1.2.3 (or the latest patched release for your respective branch) resolves the vulnerability.
Is flaky-test-handler affected?
Yes, org.jenkins-ci.plugins:flaky-test-handler is affected in releases prior to 1.2.3. Upgrade your dependency to 1.2.3 or later.
What is the CVSS score of CVE-2023-40342?
CVE-2023-40342 has a CVSS v3.1 base score of 8.0 (HIGH) with vector string CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H.
What CWE is associated with CVE-2023-40342?
CVE-2023-40342 is classified under CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') (The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.).
How can I check Maven dependencies for CVE-2023-40342?
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-hv48-hgp6-xpqf",
  "modified" : "2023-08-16T21:12:56Z",
  "published" : "2023-08-16T15:30:18Z",
  "aliases" : [ "CVE-2023-40342" ],
  "summary" : "Jenkins Flaky Test Handler Plugin stored cross-site scripting vulnerability",
  "details" : "Jenkins Flaky Test Handler Plugin 1.2.2 and earlier does not escape JUnit test contents when showing them on the Jenkins UI.\n\nThis results in a stored cross-site scripting (XSS) vulnerability exploitable by attackers able to control JUnit report file contents.\n\nFlaky Test Handler Plugin 1.2.3 escapes JUnit test contents when showing them on the Jenkins UI.",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "Maven",
      "name" : "org.jenkins-ci.plugins:flaky-test-handler"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "fixed" : "1.2.3"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2023-40342"
  }, {
    "type" : "WEB",
    "url" : "https://www.jenkins.io/security/advisory/2023-08-16/#SECURITY-3223"
  }, {
    "type" : "WEB",
    "url" : "http://www.openwall.com/lists/oss-security/2023/08/16/3"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-79" ],
    "severity" : "HIGH",
    "github_reviewed" : true,
    "github_reviewed_at" : "2023-08-16T21:12:56Z",
    "nvd_published_at" : "2023-08-16T15:15:11Z"
  }
}