Re: BUG #19422: Malformed raius packet - Mailing list pgsql-bugs

From Michael Paquier
Subject Re: BUG #19422: Malformed raius packet
Date
Msg-id adiW4N9Boo2xUTSI@paquier.xyz
Whole thread Raw
In response to Re: BUG #19422: Malformed raius packet  (Michael Paquier <michael@paquier.xyz>)
List pgsql-bugs
On Tue, Mar 03, 2026 at 04:20:37PM +0900, Michael Paquier wrote:
> Looking at RFC 2865, there is nothing about a limit of size for the
> attributes.  This means that we are only limited by our
> RADIUS_BUFFER_SIZE.  Hence, we could bump radius_attribute.length to
> uint16 and add some casts in the check for RADIUS_BUFFER_SIZE so as
> we don't overflow the addition before adding an attribute to the
> packet?  On the other hand, we could aim for simpler and just reject
> any attributes larger than 255 bytes.  I doubt that anybody would be
> insane enough to use fields larger than that 255 bytes anyway.  Both
> solutions are equal in simplicity here.

It is worth noting that RADIUS support has been removed as of Postgres
19 in commit a1643d40b308, so I doubt that we need to take any action
here.

Or would somebody be interested enough to send a patch?
--
Michael

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