Bug 670 - need summary
need summary
Status: CLOSED CURRENTRELEASE
Product: Red Hat Linux
Classification: Retired
Component: util-linux (Show other bugs)
5.1
i386 Linux
medium Severity medium
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Assigned To: David Lawrence
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Depends On:
Blocks:
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Reported: 1999-01-02 16:07 EST by n.lathiotakis
Modified: 2008-05-01 11:37 EDT (History)
0 users

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Doc Type: Bug Fix
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Last Closed: 1999-01-12 16:51:30 EST
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Description n.lathiotakis 1999-01-02 16:07:04 EST
If a succesful login at the console (e.g. user 'phnl')
FOLLOWS an unsuccesful one (e.g. false user name, 'Shit' in
the example), then if user phnl does a 'ps axu' one of the
entries is the following:

phnl     16792  0.1  1.5  1500   988   1 S    20:33   0:00
/bin/login -- Shit

The particular process is the succesfull login of phnl but
appears with the name 'Shit' which is the previous
unsuccesfull login.

It is not important of course but its is a fault. And on the
other hand it could be a 'secutity hole' for someone who
by mistake types the pass instead of username. Then everyone
could see his password simply doing a 'ps axu'!

I tried two different machines with kernels 2.0.34 and
2.0.36 both with redhat 5.1 and the result was the same.
Comment 1 David Lawrence 1999-01-12 16:51:59 EST
I have been able to replicate this bug with 5.1. The failed login name
does show up in a ps -ax listing.

On the other hand I could not get this to happen using 5.2. My
suggestion would be to upgrade to 5.2.

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