CVE-2012-2138
5.0 · MEDIUMThe @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…
Overview
CVE-2012-2138 is a medium-severity vulnerability affecting apache org.apache.sling.servlets.post. It was published on July 9, 2012 and has a CVSS 2.0 base score of 5.0 (MEDIUM).
This vulnerability has a CVSS 2.0 base score of 5.0, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical description
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.
Remediation
Check the references section for vendor advisories and patches from apache. Update org.apache.sling.servlets.post to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| apache | org.apache.sling.servlets.post | 0 | Affected |
References
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Frequently asked questions
What is CVE-2012-2138?
CVE-2012-2138 is a medium-severity vulnerability affecting apache org.apache.sling.servlets.post. It was published on July 9, 2012 and has a CVSS 2.0 base score of 5.0 (MEDIUM).
How severe is CVE-2012-2138?
This vulnerability has a CVSS 2.0 base score of 5.0, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2012-2138?
Check the references section for vendor advisories and patches from apache. Update org.apache.sling.servlets.post to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2012-2138?
CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2012-2138 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.
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