Re: DoS via tables corruption in WordPress

[Aris Adamantiadis <aris () 0xbadc0de be>]

Le 11/02/14 09:34, Andrew Nacin a écrit :
> Aris mentions he experienced corruption in his own WordPress setup. It's
> most likely the options table simply crashed, not as a result of any
> particular exploit. This is, after all, why MySQL has a REPAIR command
> (and why we have a script for users to use).
This happened again last night. The mysql corruption was caused by an
OOM random kill (thanks linux) that chose mysql daemon as a victim. The
cause of the OOM was either wordpress or piwik, probably made possible
through apache misconfiguration (too many children). I have yet to
determine if that was an accident or an attack.

If Mustlive has any real and concrete information (URL, exploit code),
please share with us.

Aris

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