Re: Possibly Bash explot

2016-04-22 Thread Nikolay Kolev
Well, you never know. It crashes consistently - I will try to create a reproducible code snippet for you. On Fri, Apr 22, 2016 at 8:06 AM, Chet Ramey wrote: > On 4/21/16 7:12 PM, Nikolay Kolev wrote: > > Basically, after doing a bunch of unset -f, I can crash Bash, version GNU > > bash, version

Re: Possibly Bash explot

2016-04-22 Thread Chet Ramey
On 4/21/16 7:12 PM, Nikolay Kolev wrote: > Basically, after doing a bunch of unset -f, I can crash Bash, version GNU > bash, version 4.3.42(1)-release (x86_64-apple-darwin15.0.0), which could > possibly be an attack vector. Here's the info from /var/log/system.log It's unlikely that this is an exp

Re: Possibly Bash explot

2016-04-22 Thread Piotr Grzybowski
hi, I cannot replicate this in anyway, I just created 1024 functions and then ran unset -f in a while [ 1 ]; do done; loop on the very same bash version but on earlier version of darwin, and everything seems fine. Could you please provide the exact code that triggers the problem, together wit

Possibly Bash explot

2016-04-21 Thread Nikolay Kolev
Basically, after doing a bunch of unset -f, I can crash Bash, version GNU bash, version 4.3.42(1)-release (x86_64-apple-darwin15.0.0), which could possibly be an attack vector. Here's the info from /var/log/system.log Apr 21 15:45:00 NikolayKolev-mac iTerm2[87962]: ReceiveMessageAndFileDescriptor