A vulnerability has been reported in the Servlets Post component for Apache Sling, which can be exploited by malicious people to cause a DoS (Denial of Service).
The vulnerability is caused due to an input verification error when handling the @CopyFrom operation in the Sling POST servlet. This can be exploited to cause an infinite loop and subsequently exhaust memory and storage resources via a specially crafted HTTP request.
The vulnerability is reported in versions 2.1.0 and prior.
Solution: Update to version 2.1.2. Additionally fixed within the SVN repository.
Provided and/or discovered by: The vendor credits IO Active.
Original Advisory: Apache:
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Subject: Apache Sling Servlets Post Component @CopyFrom Denial of Service Vulnerability
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