full-disclosure - Re: Vulnerabilities in phpCOIN

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Date: Fri, 09 Apr 2010 10:12:28 -0400
From: Valdis.Kletnieks@...edu
To: "Jan G.B." <ro0ot.w00t@...glemail.com>
Cc: full-disclosure@...ts.grok.org.uk, MustLive <mustlive@...security.com.ua>
Subject: Re: Vulnerabilities in phpCOIN

On Fri, 09 Apr 2010 15:49:58 +0200, "Jan G.B." said:

> And where's the point in reporting several projects that use a -say-
> library which has a reported problem? (I mean, you've send quite the
> same mail with a different software to bugtraq, today.)

A few years ago, a rather nasty vulnerability was found in the zlib
compression library.  We then saw a whole raft of advisories for things
that included the zlib libraries, because often the package shipped with
a private copy of zlib so patching the system zlib did *not* actually
fix the problem for the zlib-using package.

And quite frankly, if it's a very low-level package, the average system
admin may not even *realize* that his very important MobyFoo package that
he remembers uses something called FooBar (or at least he remembers MobyFoo
wanting FooBar when he installed it 3 years ago), and the year after that,
FooBar started using QuuxBaz, which (a) the sysadmin didn't even know was
installed on his box, and (b) has a security hole.

You think I'm kidding?  Even *after* some vigorous pruning, my Fedora laptop
has 1,782 RPMs installed - back around Red Hat 9 it was more like 600. Lotta
software bloat going on, and most sysadmins don't have the combo of time and
clue to fight it.  For instance, it's a losing battle to keep Bluetooth
software off this laptop, even though it doesn't *have* Bluetooth hardware,
because more and more packages link in Bluetooth "in case you have it".

And not one of those package developers understands the concept of a linker
"weak reference". Argh.

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