full-disclosure - Linux Kernel 2.6.x PRCTL Core Dump Handling

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Message-ID: <44B5F1B2.6090502@carbon14.dk>
Date: Thu Jul 13 08:09:46 2006
From: lbn at carbon14.dk (lars brun nielsen)
Subject: Linux Kernel 2.6.x PRCTL Core Dump Handling
	- simple workaround

hi,

setting 750 on /etc/cron.* would stop this exploit

/lars
>
>     if ( !( child = fork() )) {
>         chdir("/etc/cron.d");
>         prctl(PR_SET_DUMPABLE, 2);
>         sleep(200);
>         exit(1);