Re: libxstream-java blacklist EOL?

2021-06-02 Thread Markus Koschany
Hi Emilio, Am Mittwoch, den 02.06.2021, 12:26 +0200 schrieb Emilio Pozuelo Monfort: > I think it is time > we declare the block list unsupported, asking users to switch to the allow > list. > > Thoughts? I believe it is sensible to switch to the whitelist by default after we have tested the re

libxstream-java blacklist EOL?

2021-06-02 Thread Emilio Pozuelo Monfort
Hi, libxstream-java allows deserializing objects from XML. It can use a list of allowed types or a list of blocked ones. If using the latter, that list may be incomplete, causing security issues if an attacker deserializes unsecure objects. That blocklist has repeatedly found to be incomplete