CVE-2023-3276: Hutool core HuTool XML Parsing Module Has Vulnerability

HIGH
Advisory Identifier: GHSA-p2qf-9vp6-3jjq
Share
CVSS 7.5
CWE-611
Published
Advisory Summary

CVE-2023-3276 is a HIGH (CVSS 7.5) hutool xml parsing module has vulnerability (CWE-611: Improper Restriction of XML External Entity Reference) affecting Hutool core libraries in the Maven ecosystem. The issue involves hutool xml parsing module has blind xxe vulnerability. Remediation is available in the latest vendor maintenance releases.

CVE-2023-3276 at a Glance

CVE Identifier CVE-2023-3276
GHSA Identifier GHSA-p2qf-9vp6-3jjq
Severity HIGH
CVSS v3.1 Base Score 7.5
CWE Classification CWE-611: Improper Restriction of XML External Entity Reference
Affected Product Hutool core
Package Ecosystem Maven
Published Date
Last Updated

Security Impact

CVSS: 7.5

The security impact metrics below are parsed directly from the CVSS v3.1 vector string (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/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 High (C:H)
Integrity None (I:N)
Availability None (A:N)

How to Fix CVE-2023-3276

To remediate this vulnerability, upgrade all affected Hutool 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.

cn.hutool:hutool-core fixed: Latest secure release 
<dependency>
    <groupId>cn.hutool</groupId>
    <artifactId>hutool-core</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=cn.hutool

How to Check if You Are Affected

To determine whether your Java application is affected by CVE-2023-3276, inspect your build dependencies using the Maven Dependency Plugin:

mvn dependency:tree -Dincludes=cn.hutool

Analyze the terminal output to locate any version of Hutool core 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=cn.hutool 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-611: Improper Restriction of XML External Entity Reference, where the product processes an xml document that can contain xml entities with uris that resolve to documents outside of the intended sphere of control, causing the product to embed incorrect documents into its output. In Hutool 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

A vulnerability, which was classified as problematic, has been found in Dromara HuTool up to 5.8.19. Affected by this issue is the function readBySax of the file XmlUtil.java of the component XML Parsing Module. The manipulation leads to xml external entity reference.

CVE-2023-3276 Affected Hutool core Versions

1 component(s)
Product / Package Ecosystem Affected Versions Fixed Version
cn.hutool:hutool-core
maven/cn.hutool/hutool-core
Maven
≤ 5.8.19

References

NVD — CVE-2023-3276 NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-3276
fbdhhhh47.github.io/2023/06/06/hutool-x... WEB
https://fbdhhhh47.github.io/2023/06/06/hutool-XXE
Hutool core Source Repository REPOSITORY
https://github.com/dromara/hutool
vuldb.com/ WEB
https://vuldb.com/?ctiid.231626
vuldb.com/ WEB
https://vuldb.com/?id.231626

Frequently Asked Questions

What is CVE-2023-3276?
CVE-2023-3276 is a security vulnerability in Hutool core involving HuTool XML parsing module has blind XXE vulnerability under CWE-611: Improper Restriction of XML External Entity Reference.
Which Hutool core versions are affected?
Affected versions include releases prior to current release patches across affected packages: cn.hutool:hutool-core.
What version fixes CVE-2023-3276?
Upgrading to current release patches (or the latest patched release for your respective branch) resolves the vulnerability.
Is hutool-core affected?
Yes, cn.hutool:hutool-core 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-2023-3276?
CVE-2023-3276 has a CVSS v3.1 base score of 7.5 (HIGH) with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.
What CWE is associated with CVE-2023-3276?
CVE-2023-3276 is classified under CWE-611: Improper Restriction of XML External Entity Reference (The product processes an XML document that can contain XML entities with URIs that resolve to documents outside of the intended sphere of control, causing the product to embed incorrect documents into its output.).
How can I check Maven dependencies for CVE-2023-3276?
Run the dependency tree command: 'mvn dependency:tree -Dincludes=cn.hutool'. 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-p2qf-9vp6-3jjq",
  "modified" : "2024-03-01T14:32:41Z",
  "published" : "2023-06-15T15:30:15Z",
  "aliases" : [ "CVE-2023-3276" ],
  "summary" : "HuTool XML parsing module has blind XXE vulnerability",
  "details" : "A vulnerability, which was classified as problematic, has been found in Dromara HuTool up to 5.8.19. Affected by this issue is the function readBySax of the file XmlUtil.java of the component XML Parsing Module. The manipulation leads to xml external entity reference.",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "Maven",
      "name" : "cn.hutool:hutool-core"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "last_affected" : "5.8.19"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2023-3276"
  }, {
    "type" : "WEB",
    "url" : "https://fbdhhhh47.github.io/2023/06/06/hutool-XXE"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/dromara/hutool"
  }, {
    "type" : "WEB",
    "url" : "https://vuldb.com/?ctiid.231626"
  }, {
    "type" : "WEB",
    "url" : "https://vuldb.com/?id.231626"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-611" ],
    "severity" : "HIGH",
    "github_reviewed" : true,
    "github_reviewed_at" : "2023-06-16T19:39:29Z",
    "nvd_published_at" : "2023-06-15T13:15:09Z"
  }
}