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Message-ID: <451D1680.7040809@rs-labs.com> Date: Fri, 29 Sep 2006 14:50:08 +0200 From: Roman Medina-Heigl Hernandez <roman@...labs.com> To: str0ke <str0ke@...w0rm.com> Cc: vuln-dev@...urityfocus.com, bugtraq@...urityfocus.com, full-disclosure@...ts.grok.org.uk, dailydave@...ts.immunitysec.com Subject: Portable shell-exploit for buffer-overflow bugs Hello str0ke, I reviewed the exploits listed. Yes, all of them use the shell but they exploit trivially shell-exploitable bugs (like race conditions, ld-preload, etc) or include other "external" programs (like cc, perl, etc) or assume Linux/bash as well as other more or less recent environments. The nearest exploit to what I was looking for (buffer overflow exploit in shell-scripting) is: http://milw0rm.com/exploits/18 But it lacks compatibility. For instance, "echo" command is very variable, depending on OS/Shell version. I've uploaded a proof of concept which I wrote some time ago, showing my approach, to: http://www.rs-labs.com/exploitsntools/rs_aix_host.sh (~6 KB) It may not be perfect but my goal was to make it work in a very old minimal Unix environment (the exploit yields local root on AIX 4.1.4.0, abusing a known and ancient bug: ~ 10 years old!) and at the same time compatible with some recent systems like Linux/bash (logically, the vulnerability is not present in such systems, I'm referring to the skel of the exploit). Feedback would be appreciated. PS: I'm cc'ing some lists where this post could suit. Moderators should decide. Cheers, -Roman str0ke escribió: > How goes it Roman, > >> Which other "curious" exploits in shell do you know of? > > Attached is a list of the known exploits that are in shell, some call > other languages some don't. > > Be safe, > /str0ke > > > ------------------------------------------------------------------------ > > date exploit title exploit author platform > ------------------------------------------------------------------------------------------------------------------------------------------------------------------------ > 2003-04-23 Snort <=1.9.1 Remote Root Exploit (p7snort191.sh) http://milw0rm.com/exploits/18 truff linux > 2003-05-02 OpenSSH/PAM <= 3.6.1p1 Remote Users Ident (gossh.sh) http://milw0rm.com/exploits/26 Nicolas Couture linux > 2003-07-22 Cisco IOS (using hping) Remote Denial of Service Exploit http://milw0rm.com/exploits/62 zerash hardware > 2004-01-25 MS Windows XP/2003 Samba Share Resource Exhaustion Exploit http://milw0rm.com/exploits/148 Steve Ladjabi windows > 2000-11-16 /sbin/restore exploit (rh6.2) http://milw0rm.com/exploits/182 n/a linux > 2000-11-17 Slackware Linux /usr/bin/ppp-off Insecure /tmp Call Exploit http://milw0rm.com/exploits/185 sinfony linux > 2000-11-19 dump 0.4b15 Local Root Exploit http://milw0rm.com/exploits/193 Mat linux > 2000-11-19 HP-UX 11.00/10.20 crontab Overwrite Files Exploit http://milw0rm.com/exploits/195 dubhe hp-ux > 2000-11-21 vixie-cron Local Root Exploit http://milw0rm.com/exploits/203 Michal Zalewski linux > 2000-12-15 Pine (Local Message Grabber) Exploit http://milw0rm.com/exploits/231 Mat linux > 2001-01-02 Redhat 6.1 / 6.2 TTY Flood Users Exploit http://milw0rm.com/exploits/236 teleh0r linux > 2001-01-03 Solaris 2.6 / 7 / 8 Lock Users Out of mailx Exploit http://milw0rm.com/exploits/240 optyx solaris > 2001-01-25 glibc-2.2 and openssh-2.3.0p1 exploits glibc >= 2.1.9x http://milw0rm.com/exploits/258 krochos linux > 2001-05-07 IRIX (5.3/6.2/6.3/6.4/6.5/6.5.11) /usr/bin/lpstat Local Exploit http://milw0rm.com/exploits/265 LSD-PLaNET irix > 2001-05-08 IRIX (5.3/6.2/6.3/6.4/6.5/6.5.11) /usr/lib/print/netprint Local Exploit http://milw0rm.com/exploits/270 LSD-PLaNET irix > 2001-03-04 GLIBC 2.1.3 ld_preload Local Exploit http://milw0rm.com/exploits/290 shadow linux > 1997-05-03 Solaris 2.5.1 lp and lpsched Symlink Vulnerabilities http://milw0rm.com/exploits/330 Chris Sheldon solaris > 1997-05-19 Solaris 2.5.0/2.5.1 ps & chkey Data Buffer Exploit http://milw0rm.com/exploits/332 Joe Zbiciak solaris > 2004-07-22 Xitami Web Server Denial of Service Exploit http://milw0rm.com/exploits/362 CoolICE windows > 2004-09-07 CDRDAO Local Root Exploit http://milw0rm.com/exploits/434 Karol Wiêsek linux > 2004-09-22 MS Windows JPEG Processing Buffer Overrun Exploit (MS04-028) http://milw0rm.com/exploits/474 perplexy windows > 2004-09-23 MS Windows JPEG GDI+ Overflow Administrator Exploit (MS04-028) http://milw0rm.com/exploits/475 Elia Florio windows > 2004-09-28 Serendipity 0.7-beta1 SQL Injection Proof of Concept http://milw0rm.com/exploits/561 aCiDBiTS php > 2004-10-16 BSD bmon <= 1.2.1_2 Local Exploit http://milw0rm.com/exploits/579 Idan Nahoum bsd > 2004-12-21 AIX 5.1 to 5.3 lsmcode Local Root Command Execution http://milw0rm.com/exploits/701 cees-bart aix > 2005-01-30 Linux ncpfs Local Exploit http://milw0rm.com/exploits/779 super linux > 2005-02-07 Exim <= 4.42 Local Root Exploit http://milw0rm.com/exploits/796 Dark Eagle linux > 2005-03-25 AIX <= 5.3.0 (invscout) Local Command Execution Vulnerability http://milw0rm.com/exploits/898 ri0t aix > 2005-04-07 PHP-Nuke 6.x - 7.6 Top module Remote Sql Injection Exploit http://milw0rm.com/exploits/921 Fabrizi Andrea php > 2005-05-17 Linux Mandrake <= 10.2 cdrdao Local Root Exploit http://milw0rm.com/exploits/997 newbug linux > 2005-08-05 Lantronix Secure Console Server (edituser) Local Root Exploit http://milw0rm.com/exploits/1136 c0ntex linux > 2005-09-24 Qpopper <= 4.0.8 (poppassd) Local Root Exploit (linux) http://milw0rm.com/exploits/1229 kcope linux > 2005-09-24 Qpopper <= 4.0.8 (poppassd) Local Root Exploit (freebsd) http://milw0rm.com/exploits/1230 kcope bsd > 2005-11-08 SuSE Linux <= 9.3, 10 (chfn) Local Root Privilege Escalation Exploit http://milw0rm.com/exploits/1299 Hunger linux > 2005-11-09 Operator Shell (osh) 1.7-14 Local Root Exploit http://milw0rm.com/exploits/1300 Charles Stevenson linux > 2006-02-08 QNX Neutrino 6.2.1 (phfont) Race Condition Local Root Exploit http://milw0rm.com/exploits/1479 kokanin QNX > 2006-02-08 QNX RTOS 6.3.0 Insecure rc.local Permissions Plus System Crash Exploit http://milw0rm.com/exploits/1481 kokanin QNX > 2005-10-10 SGI IRIX <= 6.5.28 (runpriv) Design Error Vulnerability http://milw0rm.com/exploits/1577 n/a irix > 2006-07-14 Linux Kernel 2.6.13 <= 2.6.17.4 sys_prctl() Local Root Exploit (4) http://milw0rm.com/exploits/2011 Sunay linux > 2006-07-15 Rocks Clusters <= 4.1 (mount-loop) Local Root Exploit http://milw0rm.com/exploits/2016 Xavier de Leon linux > 2006-07-21 MS Internet Explorer (MDAC) Remote Code Execution Exploit (MS06-014) http://milw0rm.com/exploits/2052 redsand windows > 2006-08-01 Mac OS X <= 10.4.7 fetchmail Privilege Escalation Exploit http://milw0rm.com/exploits/2108 Kevin Finisterre osX > 2006-08-08 liblesstif <= 2-0.93.94-4mdk (DEBUG_FILE) Local Root Exploit http://milw0rm.com/exploits/2144 Karol Wiesek linux > 2006-08-21 Apache < 1.3.37, 2.0.59, 2.2.3 (mod_rewrite) Remote Overflow PoC http://milw0rm.com/exploits/2237 Jacobo Avariento multiple > 2006-08-22 Solaris 8 / 9 (/usr/ucb/ps) Local Information Leak Exploit http://milw0rm.com/exploits/2242 Marco Ivaldi solaris > 2006-09-27 OpenSSH <= 4.3 p1 (Duplicated Block) Remote Denial of Service Exploit http://milw0rm.com/exploits/2444 Tavis Ormandy multiple > _______________________________________________ Full-Disclosure - 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