OSEC

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Re: Hijacking Apache 2 via mod_perl

From: André Malo (ndperlig.de)
Date: Thu Jan 22 2004 - 11:42:28 CST


* 3APA3A <3APA3ASECURITY.NNOV.RU> wrote:

> You're right: mod_perl is inside apache memory space and can access any
> descriptor, so it's impossible to blame apache descriptor is leaked. But
> you're wrong. mod_perl has access to memory, not perl script. At least,
> it's possible to store descriptors table and implement check for
> descriptor in every perl file/socket function inside mod_perl (and
> mod_php and mod_something) and only allow access to std descriptors and
> to descriptors open inside same script. The choice is between speed and
> security.

Then one just writes a perl extension in C. Who's responsible then?
Who's responsible if you just write a C module which hijacks the
descriptors? Where do you draw the line?

nd