CVE-2018-1000110: Git Incorrect Authorization Vulnerability

MODERATE
Advisory Identifier: GHSA-46p2-fwqg-3h6m
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CVSS 5.3
CWE-863
Published
Advisory Summary

CVE-2018-1000110 is a MODERATE (CVSS 5.3) incorrect authorization vulnerability (CWE-863: Incorrect Authorization) affecting Git libraries in the Maven ecosystem. The issue involves incorrect authorization in jenkins git plugin. Remediation is available by upgrading affected packages to version 3.8.0.

CVE-2018-1000110 at a Glance

CVE Identifier CVE-2018-1000110
GHSA Identifier GHSA-46p2-fwqg-3h6m
Severity MODERATE
CVSS v3.1 Base Score 5.3
CWE Classification CWE-863: Incorrect Authorization
Affected Product Git
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:3.0/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-2018-1000110

To remediate this vulnerability, upgrade all affected Git 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 fixed: 3.8.0 
<dependency>
    <groupId>org.jenkins-ci.plugins</groupId>
    <artifactId>git</artifactId>
    <version>3.8.0</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-2018-1000110, 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 in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 3.8.0), 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-863: Incorrect Authorization, where the product performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check. In Git, 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

An improper authorization vulnerability exists in Jenkins Git Plugin version 3.7.0 and earlier in GitStatus.java that allows an attacker with network access to obtain a list of nodes and users.

CVE-2018-1000110 Affected Git Versions

1 component(s)
Fixed Versions:
3.8.0
Product / Package Ecosystem Affected Versions Fixed Version
org.jenkins-ci.plugins:git
maven/org.jenkins-ci.plugins/git
Maven
< 3.8.0
3.8.0

References

NVD — CVE-2018-1000110 NVD
https://nvd.nist.gov/vuln/detail/CVE-2018-1000110
Security Fix Commit FIX COMMIT
https://github.com/jenkinsci/git-plugin/commit/a3d3a7eb7f75bfe97a0291e3b6d074aafafa86c9
Git Source Repository REPOSITORY
https://github.com/jenkinsci/git-plugin
Git Security Information SECURITY
https://jenkins.io/security/advisory/2018-02-26/#SECURITY-723

Frequently Asked Questions

What is CVE-2018-1000110?
CVE-2018-1000110 is a security vulnerability in Git involving Incorrect Authorization in Jenkins Git Plugin under CWE-863: Incorrect Authorization.
Which Git versions are affected?
Affected versions include releases prior to 3.8.0 across affected packages: org.jenkins-ci.plugins:git.
What version fixes CVE-2018-1000110?
Upgrading to 3.8.0 (or the latest patched release for your respective branch) resolves the vulnerability.
Is git affected?
Yes, org.jenkins-ci.plugins:git is affected in releases prior to 3.8.0. Upgrade your dependency to 3.8.0 or later.
What is the CVSS score of CVE-2018-1000110?
CVE-2018-1000110 has a CVSS v3.1 base score of 5.3 (MODERATE) with vector string CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.
What CWE is associated with CVE-2018-1000110?
CVE-2018-1000110 is classified under CWE-863: Incorrect Authorization (The product performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check.).
How can I check Maven dependencies for CVE-2018-1000110?
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-46p2-fwqg-3h6m",
  "modified" : "2022-06-30T18:52:28Z",
  "published" : "2022-05-13T01:48:31Z",
  "aliases" : [ "CVE-2018-1000110" ],
  "summary" : "Incorrect Authorization in Jenkins Git Plugin",
  "details" : "An improper authorization vulnerability exists in Jenkins Git Plugin version 3.7.0 and earlier in GitStatus.java that allows an attacker with network access to obtain a list of nodes and users.",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.0/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"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "fixed" : "3.8.0"
      } ]
    } ],
    "database_specific" : {
      "last_known_affected_version_range" : "<= 3.7.0"
    }
  } ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2018-1000110"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/jenkinsci/git-plugin/commit/a3d3a7eb7f75bfe97a0291e3b6d074aafafa86c9"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/jenkinsci/git-plugin"
  }, {
    "type" : "WEB",
    "url" : "https://jenkins.io/security/advisory/2018-02-26/#SECURITY-723"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-863" ],
    "severity" : "MODERATE",
    "github_reviewed" : true,
    "github_reviewed_at" : "2022-06-30T18:52:28Z",
    "nvd_published_at" : "2018-03-13T13:29:00Z"
  }
}