Lightbend Play Framework

XML external entity (XXE) vulnerability in the Java XML processing functionality in Play before 2.2.6 and 2.3.x before 2.3.5 might allow remote attackers to read arbitrary files, cause a denial of service, or have unspecified other impact via crafted XML data.

Netty before 3.9.8.Final, 3.10.x before 3.10.3.Final, 4.0.x before 4.0.28.Final, and 4.1.x before 4.1.0.Beta5 and Play Framework 2.x before 2.3.9 might allow remote attackers to bypass the httpOnly flag on cookies and obtain sensitive information by leveraging improper validation of cookie name and value characters.

A directory traversal vulnerability has been found in the Assets controller in Play Framework 2.6.12 through 2.6.15 (fixed in 2.6.16) when running on Windows. It allows a remote attacker to download arbitrary files from the target server via specially crafted HTTP requests.

Denial of service binding form from JSON in Play Framework

In Play Framework 2.6.0 through 2.8.2, data amplification can occur when an application accepts multipart/form-data JSON input.

In Play Framework 2.6.0 through 2.8.2, stack consumption can occur because of unbounded recursion during parsing of crafted JSON documents.

An issue was discovered in PlayJava in Play Framework 2.6.0 through 2.8.2. The body parsing of HTTP requests eagerly parses a payload given a Content-Type header. A deep JSON structure sent to a valid POST endpoint (that may or may not expect JSON payloads) causes a StackOverflowError and Denial of Service.

Dev error stack trace leaking into prod in Play Framework

An issue was discovered in Lightbend Play Framework 2.5.x through 2.6.23. When configured to make requests using an authenticated HTTP proxy, play-ws may sometimes, typically under high load, when connecting to a target host using https, expose the proxy credentials to the target host.

In Play Framework 2.6.0 through 2.8.1, the CSRF filter can be bypassed by making CORS simple requests with content types that contain parameters that can't be parsed.

An issue was discovered in Play Framework 2.8.0 through 2.8.4. Carefully crafted JSON payloads sent as a form field lead to Data Amplification. This affects users migrating from a Play version prior to 2.8.0 that used the Play Java API to serialize classes with protected or private fields to JSON.