reassign 495879 pam
found 495879 1.0.1-1
retitle 495879 pam_unix returns success when child process dies with signal
severity 495879 minor
tags 495879 = confirmed upstream
reopen 495879
thanks

On Thu, Aug 21, 2008 at 01:46:40PM +1000, Ben Finney wrote:
> The segfault in pam_authenticate needs to be addressed in the pam 
> package.

> However, screen's behaviour in this instance is also buggy and 
> insecure: i.e., that screen treats "segfault in pam_authenticate" as 
> "successful authentication".

> Cloning and retitling for this screen bug.

No, there is no error in screen that I've found.  I would have done this
clone/reassign myself if I had been able to find one.  The failure is that,
when the child process that was spawned for unix_chkpwd dies with a signal,
pam_unix itself returns PAM_SUCCESS.

Julien Cristau has already worked on a patch for this, which is now in my
possession and will be forwarded upstream when I get a chance.

-- 
Steve Langasek                   Give me a lever long enough and a Free OS
Debian Developer                   to set it on, and I can move the world.
Ubuntu Developer                                    http://www.debian.org/
[EMAIL PROTECTED]                                     [EMAIL PROTECTED]



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