CVE-2023-50764: Scriptler Arbitrary File Deletion Vulnerability Vulnerability

HIGH
Advisory Identifier: GHSA-xcrr-x93h-rv4v
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CVSS 8.1
Published
Advisory Summary

CVE-2023-50764 is a HIGH (CVSS 8.1) arbitrary file deletion vulnerability vulnerability (General Security Weakness) affecting Scriptler libraries in the Maven ecosystem. The issue involves arbitrary file deletion vulnerability in jenkins scriptler plugin. Remediation is available in the latest vendor maintenance releases.

CVE-2023-50764 at a Glance

CVE Identifier CVE-2023-50764
GHSA Identifier GHSA-xcrr-x93h-rv4v
Severity HIGH
CVSS v3.1 Base Score 8.1
CWE Classification General Security Weakness
Affected Product Scriptler
Package Ecosystem Maven
Published Date
Last Updated

Security Impact

CVSS: 8.1

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:N/I:H/A:H).

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 None (C:N)
Integrity High (I:H)
Availability High (A:H)

How to Fix CVE-2023-50764

To remediate this vulnerability, upgrade all affected Scriptler 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:scriptler fixed: Latest secure release 
<dependency>
    <groupId>org.jenkins-ci.plugins</groupId>
    <artifactId>scriptler</artifactId>
    <version>Latest secure release</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-2023-50764, 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 Scriptler in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than the patched release), 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 General Security Weakness. In Scriptler, 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 Scriptler Plugin 342.v6a_89fd40f466 and earlier does not restrict a file name query parameter in an HTTP endpoint, allowing attackers with Scriptler/Configure permission to delete arbitrary files on the Jenkins controller file system.

CVE-2023-50764 Affected Scriptler Versions

1 component(s)
Product / Package Ecosystem Affected Versions Fixed Version
org.jenkins-ci.plugins:scriptler
maven/org.jenkins-ci.plugins/scriptler
Maven
≤ 342.v6a

References

NVD — CVE-2023-50764 NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-50764
Scriptler Security Information SECURITY
https://www.jenkins.io/security/advisory/2023-12-13/#SECURITY-3205
Scriptler Security Information SECURITY
http://www.openwall.com/lists/oss-security/2023/12/13/4

Frequently Asked Questions

What is CVE-2023-50764?
CVE-2023-50764 is a security vulnerability in Scriptler involving Arbitrary file deletion vulnerability in Jenkins Scriptler Plugin under General Security Weakness.
Which Scriptler versions are affected?
Affected versions include releases prior to current release patches across affected packages: org.jenkins-ci.plugins:scriptler.
What version fixes CVE-2023-50764?
Upgrading to current release patches (or the latest patched release for your respective branch) resolves the vulnerability.
Is scriptler affected?
Yes, org.jenkins-ci.plugins:scriptler is affected in releases prior to Latest secure release. Upgrade your dependency to Latest secure release or later.
What is the CVSS score of CVE-2023-50764?
CVE-2023-50764 has a CVSS v3.1 base score of 8.1 (HIGH) with vector string CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H.
What CWE is associated with CVE-2023-50764?
CVE-2023-50764 is classified under General Security Weakness.
How can I check Maven dependencies for CVE-2023-50764?
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-xcrr-x93h-rv4v",
  "modified" : "2023-12-18T18:38:22Z",
  "published" : "2023-12-13T18:31:04Z",
  "aliases" : [ "CVE-2023-50764" ],
  "summary" : "Arbitrary file deletion vulnerability in Jenkins Scriptler Plugin ",
  "details" : "Jenkins Scriptler Plugin 342.v6a_89fd40f466 and earlier does not restrict a file name query parameter in an HTTP endpoint, allowing attackers with Scriptler/Configure permission to delete arbitrary files on the Jenkins controller file system.",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "Maven",
      "name" : "org.jenkins-ci.plugins:scriptler"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "last_affected" : "342.v6a"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2023-50764"
  }, {
    "type" : "WEB",
    "url" : "https://www.jenkins.io/security/advisory/2023-12-13/#SECURITY-3205"
  }, {
    "type" : "WEB",
    "url" : "http://www.openwall.com/lists/oss-security/2023/12/13/4"
  } ],
  "database_specific" : {
    "cwe_ids" : [ ],
    "severity" : "HIGH",
    "github_reviewed" : true,
    "github_reviewed_at" : "2023-12-13T23:13:15Z",
    "nvd_published_at" : "2023-12-13T18:15:43Z"
  }
}