First published: Mon Sep 16 2019(Updated: )
Manipulating classpath asset file URLs, an attacker could guess the path to a known file in the classpath and have it downloaded. If the attacker found the file with the value of the tapestry.hmac-passphrase configuration symbol, most probably the webapp's AppModule class, the value of this symbol could be used to craft a Java deserialization attack, thus running malicious injected Java code. The vector would be the t:formdata parameter from the Form component.
Credit: security@apache.org
Affected Software | Affected Version | How to fix |
---|---|---|
Apache Tapestry | >=5.4.0<=5.4.3 |
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