All,
I use PostgreSQL 8.1.3 extensively. Currently all my PHP 5.1.4 code is using the pgsql extension to connect. My newer development code is connecting through the newer PDO/pgsql extension.
Is the PostgreSQL 8.1.4 SQL injection bug fix necessary if I've been well
behaved by passing *all* sql values through either of these escaping functions?:
* pgsql: pg_escape_string(...)
* PDO: bindValue(..., ..., ...)
A question similar was recently posted over in general, but I didn't see any response and a reply suggested we ask internals.
See the recent Slashdot post:
======================================================================
Developers: PostgreSQL 8.1.4 Released to Plug Injection Hole
======================================================================
Posted by [1]ScuttleMonkey on Tuesday May 23, @09:42PM from the
good-little-dutch-boy dept.
alurkar writes to tell us that PostgreSQL released version 8.1.4 today
in order to combat a security flaw allowing a [2]SQL injection attack.
From the article: "The vulnerability affects PostgreSQL servers
exposed to untrusted input, such as input coming from Web forms, in
conjunction with multi-byte encodings like (Shift-JIS (SJIS), 8-bit
Unicode Transformation Format (UTF-8), 16-bit Unicode Transformation
Format (UTF-16), and BIG5. In particular, Berkus says that
applications using 'ad-hoc methods to "escape" strings going into the
database, such as regexes, or PHP3's addslashes() and magic_quotes'
are particularly unsafe. 'Since these bypass database-specific code
for safe handling of strings, many such applications will need to be
re-written to become secure.'"
[1] http://slashdot.org/~ScuttleMonkey/
[2] http://www.newsforge.com/article.pl?sid=06/05/23/2141246
[3] http://developers.slashdot.org/developers/06/05/23/2228225.shtml
[4] http://developers.slashdot.org/developers/06/05/23/2228225.shtml
[5] http://developers.slashdot.org/article.pl?sid=06/05/23/2228225&threshold=-1
[6] http://developers.slashdot.org/
Dante
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