Full Disclosure mailing list archives

Re: User bypass privs for Mysql??


From: Maarten <fulldisc () ultratux org>
Date: Tue, 18 May 2004 19:46:24 +0200

On Tuesday 18 May 2004 18:24, Esler, Joel - Contractor wrote:
I did not have the grant priv, I had select, insert on mysql db.  (I did
log in as a different user --i.e. not root)  Using MysqlCC I changed the
Grant field from N to Y, and then could grand myself all privs to every
database.

Of course, I did have select, insert on mysql..  probably why huh?

I'm not a mysql guru but... yes.  That would be akin to disallowing the use of 
'chsh' and 'chfn' but in the meantime having /etc/passwd world-writeable... 

Maarten

-----Original Message-----
From: Ben Nelson [mailto:lists () venom600 org]
Sent: Tuesday, May 18, 2004 11:48 AM
To: Esler, Joel - Contractor
Cc: full-disclosure () lists netsys com
Subject: Re: [Full-disclosure] User bypass privs for Mysql??

What permissions DID you have prior to editing your grants.  How did you
edit the grant (i.e.  update user set Grant_priv = 'Y' where user =
'floobie' ).  What version of mysql?  Did you log in as yourself to edit
the grants, or as another user?  Also, you say you edited your 'Grant'
from N to Y and then you instantly had all privs?  Or did you edit you
Grant from N to Y and then go grant yourself all privs?

More information please.

--Ben

Esler, Joel - Contractor wrote:
| Not having any grant permissions.  I went into the mysql/user table

and

| edited the Grant from N to Y.  Logged out and logged back in, and I

had

| full privs including Grant.  I shouldn't be able to do this...
|
| Joel
|
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