xscreensaver Symlink Attack

xscreensaver local arbitrary file disclosure | symlink attack The ´xscreensaver´ program distributed normally with Xorg can be abused to disclose local files owned by other users also of the root account. Xscreensaver has the setuid bit on by default Example: Opensolaris The xscreensaver program...

Linux/x86 - Disable Shadowing Shellcode (42 bytes)

Linux/x86 - Disable Shadowing Shellcode 42 bytes. Shellcode exploit for Linuxx86 platform include const char sc= "\x31\xdb" //xor ebx,ebx "\x8d\x43\x17" //LEA eax,ebx + 0x17 /LEA is FASTER than push and pop! "\x99" //cdq "\xcd\x80" //int 80 //setuid0 shouldn't returns -1 right? ; "\xb0\x0b" //mov...

Linux/x86 - setuid(0) + execve(/bin/sh) Shellcode (27 bytes)

Linux/x86 - setuid0 + execve/bin/sh Shellcode 27 bytes. Shellcode exploit for Linuxx86 platform include const char sc= "\x31\xdb" //xor ebx,ebx "\x8d\x43\x17" //LEA eax,ebx + 0x17 /LEA is FASTER tha push/pop "\x99" //cdq "\xcd\x80" //int 80 //setuid0 shouldn't returns -1 right? ; "\xb0\x0b" //mov...

Linux/x86 - setuid(0) + setgid(0) + execve(/bin/sh,[/bin/sh,NULL])) Shellcode (25 bytes)

Linux/x86 - setuid0 + setgid0 + execve/bin/sh,/bin/sh,NULL Shellcode 25 bytes. Shellcode exploit for Linuxx86 platform include const char shellcode= "\x6a\x17" // push $0x17 "\x58" // pop %eax "\x31\xdb" // xor %ebx,%ebx "\xcd\x80" // int $0x80 "\xb0\x2e" // mov $0x2e,%al "\xcd\x80" // int $0x80...

Linux/x86 - setuid(0) + execve(/bin/sh,0) Shellcode (25 bytes)

Linux/x86 - setuid0 + execve/bin/sh,0 Shellcode 25 bytes. Shellcode exploit for Linuxx86 platform include const char shellcode= "\x6a\x17" // push $0x17 "\x58" // pop %eax "\x31\xdb" // xor %ebx,%ebx "\xcd\x80" // int $0x80 "\xb0\x0b" // mov $0xb,%al So you'll get segfault if it's not able to do...

AIX 6.1 TL 1 : bos.rte.cron (U825668)

The remote host is missing AIX PTF U825668, which is related to the security of the package bos.rte.cron. The at command does not drop permissions when reading certain files. A local attacker may exploit this error to read any file on the system because the command is setuid root. The following...

AIX 6.1 TL 2 : bos.rte.cron (U825550)

The remote host is missing AIX PTF U825550, which is related to the security of the package bos.rte.cron. The at command does not drop permissions when reading certain files. A local attacker may exploit this error to read any file on the system because the command is setuid root. The following...

Important: Red Hat Security Advisory: kernel security and bug fix update

Updated kernel packages that fix two security issues and two bugs are now available for Red Hat Enterprise Linux 4.7 Extended Update Support. This update has been rated as having important security impact by the Red Hat Security Response Team. The kernel packages contain the Linux kernel, the cor...

kernel: exit_notify: kill the wrong capable(CAP_KILL) check

The exitnotify function in kernel/exit.c in the Linux kernel before 2.6.30-rc1 does not restrict exit signals when the CAPKILL capability is held, which allows local users to send an arbitrary signal to a process by running a program that modifies the exitsignal field and then uses an exec system...

kernel: exit_notify: kill the wrong capable(CAP_KILL) check

The exitnotify function in kernel/exit.c in the Linux kernel before 2.6.30-rc1 does not restrict exit signals when the CAPKILL capability is held, which allows local users to send an arbitrary signal to a process by running a program that modifies the exitsignal field and then uses an exec system...

Important: Red Hat Security Advisory: Red Hat Enterprise Linux 4.8 kernel security and bug fix update

Updated kernel packages are now available as part of the ongoing support and maintenance of Red Hat Enterprise Linux version 4. This is the eighth regular update. These updated packages fix two security issues, hundreds of bugs, and add numerous enhancements. Space precludes a detailed descriptio...

Linux Kernel 2.6.29 ptrace_attach() Local Root Race Condition Exploit

No description provided by source. / GNU/Linux kernel 2.6.29 ptraceattach local root race condition exploit. ========================================================================== This is a local root exploit for the 2.6.29 ptraceattach race condition that allows a process to gain elevated...

linux/x86-64 setuid(0) + execve(/bin/sh) 49 bytes

No description provided by source. / setuid0 + execve/bin/sh - just 4 fun. xi4oyu at 80sec.com main asm "xorq %rdi,%rdi\n\t" "mov $0x69,%al\n\t" "syscall \n\t" "xorq %rdx, %rdx \n\t" "movq $0x68732f6e69622fff,%rbx; \n\t" "shr $0x8, %rbx; \n\t" "push %rbx; \n\t" "movq %rsp,%rdi; \n\t" "xorq...

Linux Kernel 2.6.29 ptrace_attach() Local Root Race Condition Exploit

Exploit for linux platform in category local exploits ===================================================================== Linux Kernel 2.6.29 ptraceattach Local Root Race Condition Exploit ===================================================================== / GNU/Linux kernel 2.6.29 ptraceatta...

linux/x86-64 setuid(0) + execve(/bin/sh) 49 bytes

Exploit for linux/x86 platform in category shellcode ================================================= linux/x86-64 setuid0 + execve/bin/sh 49 bytes ================================================= / setuid0 + execve/bin/sh - just 4 fun. main asm "xorq %rdi,%rdi\n\t" "mov $0x69,%al\n\t" "syscall...

Linux Kernel 2.6.29 - ptrace_attach() Race Condition Privilege Escalation

Linux Kernel 2.6.29 - ptraceattach Race Condition Privilege Escalation / GNU/Linux kernel 2.6.29 ptraceattach local root race condition exploit. ========================================================================== This is a local root exploit for the 2.6.29 ptraceattach race condition that...

RHEL 5 : kernel (RHSA-2009:0473)

Updated kernel packages that fix several security issues and several bugs are now available for Red Hat Enterprise Linux 5. This update has been rated as having important security impact by the Red Hat Security Response Team. The kernel packages contain the Linux kernel, the core of any Linux...

kernel security update

CentOS Errata and Security Advisory CESA-2009:0473 Updated kernel packages that fix several security issues and several bugs are now available for Red Hat Enterprise Linux 5. This update has been rated as having important security impact by the Red Hat Security Response Team. The kernel packages...

kernel: exit_notify: kill the wrong capable(CAP_KILL) check

The exitnotify function in kernel/exit.c in the Linux kernel before 2.6.30-rc1 does not restrict exit signals when the CAPKILL capability is held, which allows local users to send an arbitrary signal to a process by running a program that modifies the exitsignal field and then uses an exec system...

CVE-2009-1527

Race condition in the ptraceattach function in kernel/ptrace.c in the Linux kernel before 2.6.30-rc4 allows local users to gain privileges via a PTRACEATTACH ptrace call during an exec system call that is launching a setuid application, related to locking an incorrect credexecmutex object...