Author: Jeremy Harris Date: To: exim-users Subject: Re: [exim] [4.94.2] "tainted string" in paniclog in somewhat weird
circumstance
On 07/07/2021 21:44, Jeremy Harris via Exim-users wrote: > On 07/07/2021 16:17, Jeremy Harris via Exim-users wrote:
>> I'm failing to find in the code where that might happen,
>> unfortunately.
>
> Found it. And, yes, that's a bug.
>
> Should be an easy fix.
Thinking on it, this is a poster-child for taint-tracking.
The bug was there at initial feature-introduction in 2004.
Nobody noticed, for seventeen years.
And it was potentially exploitable, until taint-tracking
was introduced.
--
Cheers,
Jeremy
