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GHSA-58p8-9g59-q2hr

Potential DOS attack due to unrestricted attachment count in messages

Source: GitHub Advisory Database (reviewed) Moderate CVE-2019-12406

Packages

EcosystemPackageAffectedFixed in
Maven org.apache.cxf:cxf < 3.2.11 3.2.11
Maven org.apache.cxf:cxf >= 3.3.0, < 3.3.4 3.3.4
Maven org.apache.cxf:apache-cxf < 3.2.11 3.2.11
Maven org.apache.cxf:apache-cxf >= 3.3.0, < 3.3.4 3.3.4

Details

As written in the advisory (Markdown source, shown as plain text).

Apache CXF before 3.3.4 and 3.2.11 does not restrict the number of message attachments present in a given message. This leaves open the possibility of a denial of service type attack, where a malicious user crafts a message containing a very large number of message attachments. From the 3.3.4 and 3.2.11 releases, a default limit of 50 message attachments is enforced. This is configurable via the message property "attachment-max-count".

References

External links from the advisory. They lead to third-party sites.