CVE-2022-0219: Jadx core Improper Restriction Of XML External Vulnerability

MODERATE
Advisory Identifier: GHSA-r8j4-96mx-rjcc
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CVSS 5.5
CWE-611
Published
Advisory Summary

CVE-2022-0219 is a MODERATE (CVSS 5.5) improper restriction of xml external vulnerability (CWE-611: Improper Restriction of XML External Entity Reference) affecting Jadx core libraries in the Maven ecosystem. The issue involves improper restriction of xml external entity reference in skylot/jadx. Remediation is available by upgrading affected packages to version 1.3.2.

CVE-2022-0219 at a Glance

CVE Identifier CVE-2022-0219
GHSA Identifier GHSA-r8j4-96mx-rjcc
Severity MODERATE
CVSS v3.1 Base Score 5.5
CWE Classification CWE-611: Improper Restriction of XML External Entity Reference
Affected Product Jadx core
Package Ecosystem Maven
Published Date
Last Updated

Security Impact

CVSS: 5.5

The security impact metrics below are parsed directly from the CVSS v3.1 vector string (CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N).

Attack Vector Local (AV:L)
Attack Complexity Low (AC:L)
Privileges Required None (PR:N)
User Interaction Required (UI:R)
Scope Unchanged (S:U)
Confidentiality High (C:H)
Integrity None (I:N)
Availability None (A:N)

How to Fix CVE-2022-0219

To remediate this vulnerability, upgrade all affected Jadx 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.

io.github.skylot:jadx-core fixed: 1.3.2 
<dependency>
    <groupId>io.github.skylot</groupId>
    <artifactId>jadx-core</artifactId>
    <version>1.3.2</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=io.github.skylot

How to Check if You Are Affected

To determine whether your Java application is affected by CVE-2022-0219, inspect your build dependencies using the Maven Dependency Plugin:

mvn dependency:tree -Dincludes=io.github.skylot

Analyze the terminal output to locate any version of Jadx core in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 1.3.2), your application is affected.

Note: The mvn dependency:tree -Dincludes=io.github.skylot 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 Jadx 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

skylot/jadx prior to 1.3.2 is vulnerable to Improper Restriction of XML External Entities when a user is tricked into exporting a malicious APK file (via the -e option) containing a crafted AndroidManifest.xml / strings.xml to gradle, leading to possible local file disclosure.

CVE-2022-0219 Affected Jadx core Versions

1 component(s)
Fixed Versions:
1.3.2
Product / Package Ecosystem Affected Versions Fixed Version
io.github.skylot:jadx-core
maven/io.github.skylot/jadx-core
Maven
< 1.3.2
1.3.2

References

NVD — CVE-2022-0219 NVD
https://nvd.nist.gov/vuln/detail/CVE-2022-0219
Security Fix Commit FIX COMMIT
https://github.com/skylot/jadx/commit/d22db30166e7cb369d72be41382bb63ac8b81c52
Jadx core Source Repository REPOSITORY
https://github.com/skylot/jadx
huntr.dev/bounties/0d093863-2... WEB
https://huntr.dev/bounties/0d093863-29e8-4dd7-a885-64f76d50bf5e

Frequently Asked Questions

What is CVE-2022-0219?
CVE-2022-0219 is a security vulnerability in Jadx core involving Improper Restriction of XML External Entity Reference in skylot/jadx under CWE-611: Improper Restriction of XML External Entity Reference.
Which Jadx core versions are affected?
Affected versions include releases prior to 1.3.2 across affected packages: io.github.skylot:jadx-core.
What version fixes CVE-2022-0219?
Upgrading to 1.3.2 (or the latest patched release for your respective branch) resolves the vulnerability.
Is jadx-core affected?
Yes, io.github.skylot:jadx-core is affected in releases prior to 1.3.2. Upgrade your dependency to 1.3.2 or later.
What is the CVSS score of CVE-2022-0219?
CVE-2022-0219 has a CVSS v3.1 base score of 5.5 (MODERATE) with vector string CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N.
What CWE is associated with CVE-2022-0219?
CVE-2022-0219 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-2022-0219?
Run the dependency tree command: 'mvn dependency:tree -Dincludes=io.github.skylot'. 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-r8j4-96mx-rjcc",
  "modified" : "2022-02-24T18:37:30Z",
  "published" : "2022-01-21T18:13:42Z",
  "aliases" : [ "CVE-2022-0219" ],
  "summary" : "Improper Restriction of XML External Entity Reference in skylot/jadx",
  "details" : "skylot/jadx prior to 1.3.2 is vulnerable to Improper Restriction of XML External Entities when a user is tricked into exporting a malicious APK file (via the -e option) containing a crafted AndroidManifest.xml / strings.xml to gradle, leading to possible local file disclosure.",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "Maven",
      "name" : "io.github.skylot:jadx-core"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "fixed" : "1.3.2"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2022-0219"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/skylot/jadx/commit/d22db30166e7cb369d72be41382bb63ac8b81c52"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/skylot/jadx"
  }, {
    "type" : "WEB",
    "url" : "https://huntr.dev/bounties/0d093863-29e8-4dd7-a885-64f76d50bf5e"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-611" ],
    "severity" : "MODERATE",
    "github_reviewed" : true,
    "github_reviewed_at" : "2022-01-21T16:54:58Z",
    "nvd_published_at" : "2022-01-20T17:15:00Z"
  }
}