We don't have to make it consumable. If we can use his code and reproduce it in the JDBC driver that is enough.
Dave Cramer On Sat, 28 Mar 2020 at 11:31, Brett Okken <brett.okken...@gmail.com> wrote: > Dave, any thoughts on best way to reproduce Vladimir’s described workflow > in a way that is consumable by the postgresql team? > > On Thu, Mar 26, 2020 at 10:21 AM Tom Lane <t...@sss.pgh.pa.us> wrote: > >> Brett Okken <brett.okken...@gmail.com> writes: >> > Using a client and server encoding of SQL_ASCII makes it possible to get >> > 0x00 into a text value column when using a bind variable. >> >> Having looked at the code again, I flat out don't believe you. >> textin is certainly not going to read past a nul character, >> and textrecv goes through pg_client_to_server (via pq_getmsgtext), >> which AFAICS is careful in all code paths to reject nuls. >> >> If I'm missing something, I'd really like to see a concrete example, >> because this would be a bug, and it'd suggest that somebody's managed >> to reopen CVE-2006-2313. If we're missing nul rejection in some code >> path, then we're probably not doing encoding validation at all. >> >> regards, tom lane >> >
