Re: libxstream-java blacklist EOL?

2021-06-28 Thread Sylvain Beucler
Hi, On Fri, Jun 18, 2021 at 06:35:11PM +0200, Sylvain Beucler wrote: > On 07/06/2021 09:40, Emilio Pozuelo Monfort wrote: > > On 02/06/2021 14:24, Markus Koschany wrote: > > > Am Mittwoch, den 02.06.2021, 12:26 +0200 schrieb Emilio Pozuelo Monfort: > > > >   I think it is time > > > > we declare

Re: libxstream-java blacklist EOL?

2021-06-18 Thread Sylvain Beucler
Hi, On 07/06/2021 09:40, Emilio Pozuelo Monfort wrote: On 02/06/2021 14:24, Markus Koschany wrote: 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

Re: libxstream-java blacklist EOL?

2021-06-07 Thread Emilio Pozuelo Monfort
On 02/06/2021 14:24, Markus Koschany wrote: 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

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

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