CVE-2023-27902: Jenkins core Incorrect Permission Preservation Vulnerability
MODERATECVE-2023-27902 is a MODERATE (CVSS 4.3) incorrect permission preservation vulnerability (General Security Weakness) affecting Jenkins core libraries in the Maven ecosystem. The issue involves incorrect permission preservation in jenkins core. Remediation is available by upgrading affected packages to version 2.387.1, 2.375.4, 2.394.
CVE-2023-27902 at a Glance
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).
How to Fix CVE-2023-27902
To remediate this vulnerability, upgrade all affected Jenkins core dependencies to a patched release. Both direct and transitive dependencies should be checked, as frameworks or security libraries may pull in vulnerable versions transitively.
<dependency>
<groupId>org.jenkins-ci.main</groupId>
<artifactId>jenkins-core</artifactId>
<version>2.387.1</version>
</dependency><dependency>
<groupId>org.jenkins-ci.main</groupId>
<artifactId>jenkins-core</artifactId>
<version>2.375.4</version>
</dependency><dependency>
<groupId>org.jenkins-ci.main</groupId>
<artifactId>jenkins-core</artifactId>
<version>2.394</version>
</dependency>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.mainHow to Check if You Are Affected
To determine whether your Java application is affected by CVE-2023-27902, inspect your build dependencies using the Maven Dependency Plugin:
mvn dependency:tree -Dincludes=org.jenkins-ci.mainAnalyze the terminal output to locate any version of Jenkins core in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 2.387.1), your application is affected.
Note: The mvn dependency:tree -Dincludes=org.jenkins-ci.main 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 Jenkins core, 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
CVE-2023-27902 Affected Jenkins core Versions
3 component(s)| Product / Package | Ecosystem | Affected Versions | Fixed Version |
|---|---|---|---|
|
org.jenkins-ci.main:jenkins-core
|
Maven |
≥ 2.376
< 2.387.1
|
2.387.1
|
|
org.jenkins-ci.main:jenkins-core
|
Maven |
< 2.375.4
|
2.375.4
|
|
org.jenkins-ci.main:jenkins-core
|
Maven |
≥ 2.388
< 2.394
|
2.394
|
References
Frequently Asked Questions
What is CVE-2023-27902?
Which Jenkins core versions are affected?
What version fixes CVE-2023-27902?
Is jenkins-core affected?
What is the CVSS score of CVE-2023-27902?
What CWE is associated with CVE-2023-27902?
How can I check Maven dependencies for CVE-2023-27902?
Machine-readable OSV JSON
OSV v1.5 Schema
{
"schema_version" : "1.4.0",
"id" : "GHSA-cj6r-8pxj-5jv6",
"modified" : "2024-01-04T12:24:56Z",
"published" : "2023-03-10T21:30:19Z",
"aliases" : [ "CVE-2023-27902" ],
"summary" : "Incorrect Permission Preservation in Jenkins Core",
"details" : "Jenkins uses temporary directories adjacent to workspace directories, usually with the @tmp name suffix, to store temporary files related to the build. In pipelines, these temporary directories are adjacent to the current working directory when operating in a subdirectory of the automatically allocated workspace. Jenkins-controlled processes, like SCMs, may store credentials in these directories.\n\nJenkins 2.393 and earlier, LTS 2.375.3 and earlier, and prior to LTS 2.387.1 shows these temporary directories when viewing job workspaces, which allows attackers with Item/Workspace permission to access their contents.\n\nJenkins 2.394, LTS 2.375.4, and LTS 2.387.1 does not list these temporary directories in job workspaces.\n\nAs a workaround, do not grant Item/Workspace permission to users who lack Item/Configure permission, if you’re concerned about this issue but unable to immediately update Jenkins.",
"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.main:jenkins-core"
},
"ranges" : [ {
"type" : "ECOSYSTEM",
"events" : [ {
"introduced" : "2.376"
}, {
"fixed" : "2.387.1"
} ]
} ]
}, {
"package" : {
"ecosystem" : "Maven",
"name" : "org.jenkins-ci.main:jenkins-core"
},
"ranges" : [ {
"type" : "ECOSYSTEM",
"events" : [ {
"introduced" : "0"
}, {
"fixed" : "2.375.4"
} ]
} ]
}, {
"package" : {
"ecosystem" : "Maven",
"name" : "org.jenkins-ci.main:jenkins-core"
},
"ranges" : [ {
"type" : "ECOSYSTEM",
"events" : [ {
"introduced" : "2.388"
}, {
"fixed" : "2.394"
} ]
} ]
} ],
"references" : [ {
"type" : "ADVISORY",
"url" : "https://nvd.nist.gov/vuln/detail/CVE-2023-27902"
}, {
"type" : "WEB",
"url" : "https://github.com/jenkinsci/jenkins/commit/80452662b31ac6c9f4418cffae1af6af4daf479a"
}, {
"type" : "WEB",
"url" : "https://github.com/CVEProject/cvelist/blob/master/2023/27xxx/CVE-2023-27902.json"
}, {
"type" : "WEB",
"url" : "https://www.jenkins.io/security/advisory/2023-03-08/#SECURITY-1807"
} ],
"database_specific" : {
"cwe_ids" : [ ],
"severity" : "MODERATE",
"github_reviewed" : true,
"github_reviewed_at" : "2023-03-17T14:44:16Z",
"nvd_published_at" : "2023-03-10T21:15:00Z"
}
}