CVE-2012-2138 EXPLOIT
5.0
MEDIUM · CVSS 2.0 · EPSS 14.1% (pctl 96)
Patch early
A public exploit exists.
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.
Scoring
| CVSS | 5.0 (MEDIUM, v2.0) |
|---|---|
| Vector | AV:N/AC:L/Au:N/C:N/I:N/A:P |
| EPSS | 14.12% — more likely to be exploited than 96% of all CVEs |
| Weakness | CWE-264 |
| On CISA KEV | no |
| Public exploit | yes |
| Published | 2012-07-09 |
| Last modified | 2026-06-16 |
Affected (2)
| Vendor | Product |
|---|---|
| apache | org.apache.sling.servlets.post |
| apache | sling |
Public exploits
| Source | Title | Date |
|---|---|---|
| exploit-db | Apache Sling - Denial of Service | 2012-07-06 |
References
- http://mail-archives.apache.org/mod_mbox/www-announce/201207.mbox/%3CCAEWfVJ=PwoQmwJg0KmbrC17Gw51kgfKRsqgy=4RpMQsdGh0bVg%40mail.gmail.com%3E
- http://svn.apache.org/viewvc?view=revision&revision=1352865
- https://issues.apache.org/jira/browse/SLING-2517
- http://mail-archives.apache.org/mod_mbox/www-announce/201207.mbox/%3CCAEWfVJ=PwoQmwJg0KmbrC17Gw51kgfKRsqgy=4RpMQsdGh0bVg%40mail.gmail.com%3E
- http://svn.apache.org/viewvc?view=revision&revision=1352865
- https://issues.apache.org/jira/browse/SLING-2517
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