Vulnerabilities in pkg:maven/org.apache.sling/org.apache.sling.servlets.post

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Advisory Identifier: GHSA-342c-f869-5m44
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Advisory Summary

CVE-2012-2138 is a MODERATE denial of service vulnerability (CWE-400: Uncontrolled Resource Consumption) affecting Org.apache.sling.servlets.post libraries in the Maven ecosystem. The issue involves apache sling post servlets denial of service vulnerability. Remediation is available by upgrading affected packages to version 2.1.2.

4 Known Advisory Record(s)
Package Vulnerability Intelligence

pkg:maven/org.apache.sling/org.apache.sling.servlets.post

4 Known Advisory Record(s)

Vulnerability advisories affecting package pkg:maven/org.apache.sling/org.apache.sling.servlets.post. Select an advisory below to view technical details or fixes.

Advisory ID CVE / NVD Severity Summary
GHSA-342c-f869-5m44 CVE-2012-2138 MODERATE Apache Sling POST Servlets Denial of Service Vulnerability
GHSA-rxvx-44w5-44r7 CVE-2015-2944 MODERATE Improper Neutralization of Input During Web Page Generation in Apache Sling
GHSA-m27m-628v-xxp2 CVE-2016-0956 HIGH Exposure of Sensitive Information to an Unauthorized Actor in Apache Sling Servlets Post
GHSA-8c82-9rgp-4qvr CVE-2017-9802 MODERATE Improper Neutralization of Input During Web Page Generation Apache Sling Servlets Post

CVE-2012-2138 at a Glance

CVE Identifier CVE-2012-2138
GHSA Identifier GHSA-342c-f869-5m44
Severity MODERATE
CVSS v3.1 Base Score N/A
CWE Classification CWE-400: Uncontrolled Resource Consumption
Affected Product Org.apache.sling.servlets.post
Package Ecosystem Maven
Published Date
Last Updated

How to Fix CVE-2012-2138

To remediate this vulnerability, upgrade all affected Org.apache.sling.servlets.post 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.apache.sling:org.apache.sling.servlets.post fixed: 2.1.2 
<dependency>
    <groupId>org.apache.sling</groupId>
    <artifactId>org.apache.sling.servlets.post</artifactId>
    <version>2.1.2</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=org.apache.sling

How to Check if You Are Affected

To determine whether your Java application is affected by CVE-2012-2138, inspect your build dependencies using the Maven Dependency Plugin:

mvn dependency:tree -Dincludes=org.apache.sling

Analyze the terminal output to locate any version of Org.apache.sling.servlets.post in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 2.1.2), your application is affected.

Note: The mvn dependency:tree -Dincludes=org.apache.sling 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-400: Uncontrolled Resource Consumption, where the product does not properly control the allocation and maintenance of a limited resource. In Org.apache.sling.servlets.post, 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

The `@CopyFrom` operation in the POST servlet in the `org.apache.sling.servlets.post` bundle before 2.1.2 in Apache Sling does not prevent attempts to copy an ancestor node to a descendant node, which allows remote attackers to cause a denial of service (infinite loop) via a crafted HTTP request.

CVE-2012-2138 Affected Org.apache.sling.servlets.post Versions

1 component(s)
Fixed Versions:
2.1.2
Product / Package Ecosystem Affected Versions Fixed Version
org.apache.sling:org.apache.sling.servlets.post
maven/org.apache.sling/org.apache.sling.servlets.post
Maven
< 2.1.2
2.1.2

References

NVD — CVE-2012-2138 NVD
https://nvd.nist.gov/vuln/detail/CVE-2012-2138
Security Fix Commit FIX COMMIT
https://github.com/apache/sling-org-apache-sling-servlets-post/commit/0205892908d6ea755645be5fc16e9df53e2e7261
issues.apache.org/jira/browse/sling-2... WEB
https://issues.apache.org/jira/browse/SLING-2517
mail-archives.apache.org/mod_mbox/www-announ... WEB
http://mail-archives.apache.org/mod_mbox/www-announce/201207.mbox/%3CCAEWfVJ=PwoQmwJg0KmbrC17Gw51kgfKRsqgy=4RpMQsdGh0bVg@mail.gmail.com%3E
svn.apache.org/viewvc WEB
http://svn.apache.org/viewvc?view=revision&revision=1352865

Frequently Asked Questions

What is CVE-2012-2138?
CVE-2012-2138 is a security vulnerability in Org.apache.sling.servlets.post involving Apache Sling POST Servlets Denial of Service Vulnerability under CWE-400: Uncontrolled Resource Consumption.
Which Org.apache.sling.servlets.post versions are affected?
Affected versions include releases prior to 2.1.2 across affected packages: org.apache.sling:org.apache.sling.servlets.post.
What version fixes CVE-2012-2138?
Upgrading to 2.1.2 (or the latest patched release for your respective branch) resolves the vulnerability.
Is org.apache.sling.servlets.post affected?
Yes, org.apache.sling:org.apache.sling.servlets.post is affected in releases prior to 2.1.2. Upgrade your dependency to 2.1.2 or later.
What CWE is associated with CVE-2012-2138?
CVE-2012-2138 is classified under CWE-400: Uncontrolled Resource Consumption (The product does not properly control the allocation and maintenance of a limited resource.).
How can I check Maven dependencies for CVE-2012-2138?
Run the dependency tree command: 'mvn dependency:tree -Dincludes=org.apache.sling'. 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-342c-f869-5m44",
  "modified" : "2023-08-29T22:53:50Z",
  "published" : "2022-05-17T05:28:00Z",
  "aliases" : [ "CVE-2012-2138" ],
  "summary" : "Apache Sling POST Servlets Denial of Service Vulnerability",
  "details" : "The `@CopyFrom` operation in the POST servlet in the `org.apache.sling.servlets.post` bundle before 2.1.2 in Apache Sling does not prevent attempts to copy an ancestor node to a descendant node, which allows remote attackers to cause a denial of service (infinite loop) via a crafted HTTP request.",
  "severity" : [ ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "Maven",
      "name" : "org.apache.sling:org.apache.sling.servlets.post"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "fixed" : "2.1.2"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2012-2138"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/apache/sling-org-apache-sling-servlets-post/commit/0205892908d6ea755645be5fc16e9df53e2e7261"
  }, {
    "type" : "WEB",
    "url" : "https://issues.apache.org/jira/browse/SLING-2517"
  }, {
    "type" : "WEB",
    "url" : "http://mail-archives.apache.org/mod_mbox/www-announce/201207.mbox/%3CCAEWfVJ=PwoQmwJg0KmbrC17Gw51kgfKRsqgy=4RpMQsdGh0bVg@mail.gmail.com%3E"
  }, {
    "type" : "WEB",
    "url" : "http://svn.apache.org/viewvc?view=revision&revision=1352865"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-400" ],
    "severity" : "MODERATE",
    "github_reviewed" : true,
    "github_reviewed_at" : "2023-08-29T22:53:50Z",
    "nvd_published_at" : "2012-07-09T22:55:00Z"
  }
}