CVE-2022-31166: Xwiki platform oldcore XWiki.WebHome Vulnerable To Improper Privilege Vulnerability

HIGH
Advisory Identifier: GHSA-g4h6-qp44-wqvx
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CVSS 8.1
CWE-269
Published
Advisory Summary

CVE-2022-31166 is a HIGH (CVSS 8.1) xwiki.webhome vulnerable to improper privilege vulnerability (CWE-269: Improper Privilege Management) affecting Xwiki platform oldcore libraries in the Maven ecosystem. The issue involves xwiki.webhome vulnerable to improper privilege management in xwiki resolving groups. Remediation is available by upgrading affected packages to version 13.10.4, 14.2-rc-1.

CVE-2022-31166 at a Glance

CVE Identifier CVE-2022-31166
GHSA Identifier GHSA-g4h6-qp44-wqvx
Severity HIGH
CVSS v3.1 Base Score 8.1
CWE Classification CWE-269: Improper Privilege Management
Affected Product Xwiki platform oldcore
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:H/I:H/A:N).

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

How to Fix CVE-2022-31166

To remediate this vulnerability, upgrade all affected Xwiki platform oldcore 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.xwiki.platform:xwiki-platform-oldcore fixed: 13.10.4 
<dependency>
    <groupId>org.xwiki.platform</groupId>
    <artifactId>xwiki-platform-oldcore</artifactId>
    <version>13.10.4</version>
</dependency>
org.xwiki.platform:xwiki-platform-oldcore fixed: 14.2-rc-1 
<dependency>
    <groupId>org.xwiki.platform</groupId>
    <artifactId>xwiki-platform-oldcore</artifactId>
    <version>14.2-rc-1</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.xwiki.platform

How to Check if You Are Affected

To determine whether your Java application is affected by CVE-2022-31166, inspect your build dependencies using the Maven Dependency Plugin:

mvn dependency:tree -Dincludes=org.xwiki.platform

Analyze the terminal output to locate any version of Xwiki platform oldcore in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 13.10.4), your application is affected.

Note: The mvn dependency:tree -Dincludes=org.xwiki.platform 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-269: Improper Privilege Management, where the product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. In Xwiki platform oldcore, 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

### Impact It's possible to exploit a bug in XWikiRights resolution of groups to obtain privilege escalation. More specifically, editing a right with the object editor leads to adding a supplementary empty value to groups which is then resolved as a reference to XWiki.WebHome page. Adding an XWikiGroup xobject to that page then transforms it to a group, any user put in that group would then obtain the privileges related to the edited right. Note that this security issue is normally mitigated by the fact that XWiki.WebHome (and XWiki space in general) should be protected by default for edit rights. ### Patches The problem has been patched in XWiki 13.10.4 and 14.2RC1 to not consider anymore empty values in XWikiRights. ### Workarounds It's possible to workaround the problem by setting appropriate rights on XWiki.WebHome page to prevent users to edit it. ### References * https://jira.xwiki.org/browse/XWIKI-18386 * https://jira.xwiki.org/browse/XWIKI-15776 ### For more information If you have any questions or comments about this advisory: * Open an issue in [Jira XWiki.org](https://jira.xwiki.org) * Email us at [Security Mailing List](mailto:security@xwiki.org)

CVE-2022-31166 Affected Xwiki platform oldcore Versions

2 component(s)
Fixed Versions:
13.10.414.2-rc-1
Product / Package Ecosystem Affected Versions Fixed Version
org.xwiki.platform:xwiki-platform-oldcore
maven/org.xwiki.platform/xwiki-platform-oldcore
Maven
≥ 11.3.7
< 13.10.4
13.10.4
org.xwiki.platform:xwiki-platform-oldcore
maven/org.xwiki.platform/xwiki-platform-oldcore
Maven
≥ 14.0-rc-1
< 14.2-rc-1
14.2-rc-1

References

GitHub Advisory / Wiki ADVISORY
https://github.com/xwiki/xwiki-platform/security/advisories/GHSA-g4h6-qp44-wqvx
NVD — CVE-2022-31166 NVD
https://nvd.nist.gov/vuln/detail/CVE-2022-31166
Xwiki platform oldcore Source Repository REPOSITORY
https://github.com/xwiki/xwiki-platform/pull/1800
Xwiki platform oldcore Source Repository REPOSITORY
https://github.com/xwiki/xwiki-platform
jira.xwiki.org/browse/xwiki-15776 WEB
https://jira.xwiki.org/browse/XWIKI-15776
jira.xwiki.org/browse/xwiki-18386 WEB
https://jira.xwiki.org/browse/XWIKI-18386

Frequently Asked Questions

What is CVE-2022-31166?
CVE-2022-31166 is a security vulnerability in Xwiki platform oldcore involving XWiki.WebHome vulnerable to Improper Privilege Management in XWiki resolving groups under CWE-269: Improper Privilege Management.
Which Xwiki platform oldcore versions are affected?
Affected versions include releases prior to 13.10.4, 14.2-rc-1 across affected packages: org.xwiki.platform:xwiki-platform-oldcore.
What version fixes CVE-2022-31166?
Upgrading to 13.10.4, 14.2-rc-1 (or the latest patched release for your respective branch) resolves the vulnerability.
Is xwiki-platform-oldcore affected?
Yes, org.xwiki.platform:xwiki-platform-oldcore is affected in releases prior to 13.10.4, 14.2-rc-1. Upgrade your dependency to 13.10.4, 14.2-rc-1 or later.
What is the CVSS score of CVE-2022-31166?
CVE-2022-31166 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:H/I:H/A:N.
What CWE is associated with CVE-2022-31166?
CVE-2022-31166 is classified under CWE-269: Improper Privilege Management (The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor.).
How can I check Maven dependencies for CVE-2022-31166?
Run the dependency tree command: 'mvn dependency:tree -Dincludes=org.xwiki.platform'. 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-g4h6-qp44-wqvx",
  "modified" : "2022-09-20T21:19:52Z",
  "published" : "2022-09-20T21:19:52Z",
  "aliases" : [ "CVE-2022-31166" ],
  "summary" : "XWiki.WebHome vulnerable to Improper Privilege Management in XWiki resolving groups",
  "details" : "### Impact\n\nIt's possible to exploit a bug in XWikiRights resolution of groups to obtain privilege escalation. \n\nMore specifically, editing a right with the object editor leads to adding a supplementary empty value to groups which is then resolved as a reference to XWiki.WebHome page. Adding an XWikiGroup xobject to that page then transforms it to a group, any user put in that group would then obtain the privileges related to the edited right.\n\nNote that this security issue is normally mitigated by the fact that XWiki.WebHome (and XWiki space in general) should be protected by default for edit rights. \n\n### Patches\n\nThe problem has been patched in XWiki 13.10.4 and 14.2RC1 to not consider anymore empty values in XWikiRights. \n\n### Workarounds\n\nIt's possible to workaround the problem by setting appropriate rights on XWiki.WebHome page to prevent users to edit it. \n\n### References\n\n* https://jira.xwiki.org/browse/XWIKI-18386\n* https://jira.xwiki.org/browse/XWIKI-15776\n\n### For more information\nIf you have any questions or comments about this advisory:\n* Open an issue in [Jira XWiki.org](https://jira.xwiki.org)\n* Email us at [Security Mailing List](mailto:security@xwiki.org)\n",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "Maven",
      "name" : "org.xwiki.platform:xwiki-platform-oldcore"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "11.3.7"
      }, {
        "fixed" : "13.10.4"
      } ]
    } ]
  }, {
    "package" : {
      "ecosystem" : "Maven",
      "name" : "org.xwiki.platform:xwiki-platform-oldcore"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "14.0-rc-1"
      }, {
        "fixed" : "14.2-rc-1"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "WEB",
    "url" : "https://github.com/xwiki/xwiki-platform/security/advisories/GHSA-g4h6-qp44-wqvx"
  }, {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2022-31166"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/xwiki/xwiki-platform/pull/1800"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/xwiki/xwiki-platform"
  }, {
    "type" : "WEB",
    "url" : "https://jira.xwiki.org/browse/XWIKI-15776"
  }, {
    "type" : "WEB",
    "url" : "https://jira.xwiki.org/browse/XWIKI-18386"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-269" ],
    "severity" : "HIGH",
    "github_reviewed" : true,
    "github_reviewed_at" : "2022-09-20T21:19:52Z",
    "nvd_published_at" : "2022-09-07T14:15:00Z"
  }
}