Hi!
On Mar 18, Pavlov, Lesha wrote:
> Anybody, who get login and password to mysql can use it as DoS or r00t
> exploit because mysql accepts '../blah-blah' as valid database name and
> each table represented by 3 files tablename.ISD, tablename.ISM and
> tablename.frm, But, when mysqld checks table already exists or not
> exists, it checks _only_ tablename.frm :
[skip]
> Vulnerable versions:
> This DoS/exploit tested on mysql-3.20.32a but i see another versions of
> mysql also vulnerabile.
3.20 is not simply outdated - it's VERY old.
Official supported is 3.23 branch now.
3.23.1 was releases more than a year ago.
And 3.23 doesn't has that bug.
>
> Recomendations:
> * Patch mysql to treat database names, started by '..' as incorrect
> database names.
3.23 does it.
> Patches:
> not yet
Why, there are for several years !
Regards,
Sergei
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MySQL Development Team
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/ |/ /_ __/ __/ __ \/ / Sergei Golubchik <[EMAIL PROTECTED]>
/ /|_/ / // /\ \/ /_/ / /__ MySQL AB, http://www.mysql.com/
/_/ /_/\_, /___/\___\_\___/ Osnabrueck, Germany
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