Author: Michal Soltys Date: To: Jeremy Harris, exim-users Subject: Re: [exim] [4.94.2] "tainted string" in paniclog in somewhat weird
circumstance
On 7/10/21 7:40 PM, Jeremy Harris via Exim-users wrote: > 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.
