bugtraq - Re: Linux Kernel 2.6.x PRCTL Core Dump Handling

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <44B5F1B2.6090502@carbon14.dk>
Date: Thu, 13 Jul 2006 09:09:38 +0200
From: lars brun nielsen <lbn@...bon14.dk>
To: Roman Medina-Heigl Hernandez <roman@...labs.com>
Cc: full-disclosure@...ts.grok.org.uk, bugtraq@...urityfocus.com
Subject: Re: 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);

_______________________________________________
Full-Disclosure - We believe in it.
Charter: http://lists.grok.org.uk/full-disclosure-charter.html
Hosted and sponsored by Secunia - http://secunia.com/