[UNIX] Slashcode Login VulnerabilityFrom: firstname.lastname@example.org
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From: firstname.lastname@example.org To: email@example.com Date: Fri, 11 Jan 2002 15:50:51 +0100 (CET)
The following security advisory is sent to the securiteam mailing list, and can be found at the SecuriTeam web site: http://www.securiteam.com
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Slashcode Login Vulnerability
Slash, the code that runs Slashdot and many other web sites, has a
vulnerability in recent versions that allows any logged-in user to log in
as any other user.
This allows users to take nearly full control of a Slash system (post and
delete stories, posting stories, edit users, post as other users, etc.,
and do anything that a Slash user can do) by logging in to an
administrator's Slash account.
Any system running Slash version 2.1.x (development versions for 2.2),
2.2.0, 2.2.1, or 2.2.2, and sites using the development code from CVS.
Slash 2.0.x and previous are unaffected
Slash version 2.2.3
In the meantime, if upgrading is not possible or will not happen
immediately, site administrators should either shut down the web site or
disable admin.pl and users.pl by moving them elsewhere or disabling the
execution bits (Apache may need to be restarted following this).
Further, site administrators should change their passwords, and check the
"seclev" field in the users table to make sure no one has a seclev greater
to or equal than "100" who should not have administrator privileges:
mysql> SELECT uid, nickname, seclev FROM users WHERE seclev >= 100;
That should list only users with some administrator privileges.
Site administrators should subscribe to the slashcode-general or
slashcode-announce mailing lists, to keep up to date on the latest
releases and security notices. Subscription information is on the
Slashcode site at <http://slashcode.com/> http://slashcode.com/.
The information has been provided by <mailto:firstname.lastname@example.org> Daniel
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The information in this bulletin is provided "AS IS" without warranty of any kind.
In no event shall we be liable for any damages whatsoever including direct, indirect, incidental, consequential, loss of business profits or special damages.