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Bug 88

Summary: Security hole in adduser/useradd tool
Product: [Retired] Red Hat Linux Reporter: soucym
Component: basesystemAssignee: David Lawrence <dkl>
Status: CLOSED NOTABUG QA Contact:
Severity: medium Docs Contact:
Priority: high    
Version: 5.1Keywords: Security
Target Milestone: ---   
Target Release: ---   
Hardware: i386   
OS: Linux   
Fixed In Version: Doc Type: Bug Fix
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 1998-11-16 13:49:54 UTC Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:

Description soucym 1998-11-16 13:19:22 UTC
When you add a user with 5.1 it appears to be breaking a
standard (discussed this with a long-time linux user) but
the big problem I found was when adding an account for
myself other than root my password showed up in
/etc/password file IN PLAIN VIEW! It was NOT encrypted until
I ran passwd on it. Then it was encrypted. This is a serious
bug that needs to be rectified due to ANYONE monitoring that
file (/etc/password) they would be able to get users
passwords. I mailed and got a response to
come and post the bug here. So here it is.  Email me if
there is a patch out to fix this already, but I haven't
located one.

Comment 1 Bill Nottingham 1998-11-16 13:49:59 UTC
The -p option to adduser is to set the *encrypted* password;
it assumes whatever you give it is already encrypted. Notice
if you try to use whatever you specified to -p to login that
it won't work...

Comment 2 openshift-github-bot 2016-07-05 17:48:01 UTC
Commits pushed to master at
fix issue#88 - generate unique cookie based on vtep
Merge pull request #89 from rajatchopra/master

fix issue#88 - generate unique cookie based on vtep