Exploit development can be an advanced penetration testing skill that takes time to master. Additionally, when on a job, pen testers often don’t have the resources to create a new exploit. Many resort to searching for and using pre-written exploits that have not been tested and must go through the timely effort of quality assurance testing in order to ensure they are secure and effective.
Core Impact users can save time by finding all the up-to-date exploits they need in one place. We provide a robust library of exploits designed to enable pen testers to safely and efficiently conduct successful penetration tests. Witten by our own internal team, you can trust they have been thoroughly tested and validated by our experts.
The universe of vulnerabilities is huge and not all of them represent the same risk for the customers. Vulnerabilities do not all have the same level of criticality. Some may be easily exploitable by a low-level user, while others may not be exploitable at all. To increase the efficiency of the attacks and the quality of the exploits provided, the Core Impact team has developed selection criteria to prioritize its analysis and implementation. We determine which exploits warrant creation based on the following questions:
What are the most critical attacks from the attacker’s perspective?
What new vulnerabilities are more likely to be exploited in real attacks?
What exploits are the most valuable for Core Impact?
Once an exploit is approved, its priority order considers the following variables:
Vulnerability Properties: CVE, disclosure date, access mechanism and privileges needed.
Target Environment Setup: OS, application prevalence, version and special configurations needed.
Value Provided to Core Impact: Customer request, usage in multiple attacks, allows the installation of an agent, etc.
Technical Cost vs. Benefit: An analysis weighing the resources needed to build an exploit with the internal and external knowledge gained in its creation.
Each one of these variables has a different weight and provides a ranking of the potential exploits to be developed. Following those criteria, the top of the list would contain, for example, a vulnerability on Windows (most popular OS) that can be exploited remotely, without authentication and that provides super user privileges.
Correspondingly, a vulnerability on an application that is rarely installed, needs special configurations, and requires User Interaction, would be at the bottom.
Stay Informed of New Core Certified Exploits
Subscribe to receive regular email updates on new exploits available for Core Impact
Browse the Core Certified Exploit Library
We provide pen testers with real-time updates for a wide range of exploits for different platforms, operating systems, and applications.
Search our continuously growing library to discover an exploit that will allow you to gain and retain access on the target host or application.
Title
Description
Date Added
CVE Link
Exploit Platform
Exploit Type
Product Name
FreeBSD Kernel linux_ifconf Local Privilege Escalation Exploit
This module exploits a kernel memory corruption in the Linux compatibility layer.
The FreeBSD kernel provides support for a variety of different types of communications sockets, including IPv4, IPv6, ISDN, ATM, routing protocol, link-layer, netgraph(4), and bluetooth sockets.Some function pointers for netgraph and bluetooth sockets are not properly initialized. This can be exploited to e.g. read or write to arbitrary kernel memory via a specially crafted "socket()" system call, and allows an unprivileged process to elevate privileges to root or escape a FreeBSD jail.
This module exploits a vulnerability in FreeBSD. The FreeBSD virtual memory system allows files to be memory-mapped. All or parts of a file can be made available to a process via its address space. The process can then access the file using memory operations rather than filesystem I/O calls. Due to insufficient permission checks in the virtual memory system, a tracing process (such as a debugger) may be able to modify portions of the traced process's address space to which the traced process itself does not have write access.
Stack-based buffer overflow in sys/kern/vfs_mount.c in the kernel in FreeBSD 7.0 and 7.1, when vfs.usermount is enabled, allows local users to gain privileges via a crafted mount or nmount system call, related to copying of "user defined data" in "certain error conditions".
Improper input validation in the FreeBSD kernel's NFS client-side implementation allows local unprivileged users to escalate their privileges and execute arbitrary code with root permissions. The function nfs_mount() in file src/sys/nfsclient/nfs_vfsops.c, which is reachable from the mount and nmount system calls, employs an insufficient input validation method for copying data passed in a structure of type nfs_args from userspace to kernel. Specifically, the file handle buffer to be mounted (args.fh) and its size (args.fhsize) are completely user-controllable.
Due to spurious call to pfs_unlock() in pfs_getattr() (as defined in sys/fs/pseudofs/pseudofs_vnops.c), null pointer is dereferenced after calling extattr_get_attribute() on pseudofs vnode. By allocating page at address 0x0, attacker can overwrite arbitrarily chosen portion of kernel memory, leading to crash or local root escalation. This module exploits the vulnerability via the procfs file system, obtaining root privileges.
On Intel CPUs, sysret to non-canonical addresses causes a fault on the sysret instruction itself after the stack pointer is set to guest value but before the current privilege level (CPL) is changed. FreeBSD is vulnerable to this issue due to insufficient sanity checks when returning from a system call. This module exploits the vulnerability and installs an agent with root privileges.
FreeBSD Telnetd Server Privilege Escalation Exploit
Local attackers can exploit this issue to execute arbitrary code with superuser privileges. Successfully exploiting this issue will facilitate the complete compromise of affected computers.
The bdfReadCharacters() function in the libXfont component of X.Org is prone to a stack-based buffer overflow vulnerability when parsing a specially crafted BDF font file. This vulnerability can be exploited by a local unprivileged attacker to gain root privileges.
GNU Glibc ld.so ORIGIN Privilege Escalation Exploit
The GNU C library (GNU glibc) is prone to a local privilege-escalation vulnerability. This module exploits the vulnerability to install an agent with root privileges.
GNU ld.so Arbitrary Dlopen Privilege Escalation Exploit
The GNU C dynamic linker (ld.so) is prone to a local privilege-escalation vulnerability. This module exploits the vulnerability to create a world writable file in the /etc/cron.d directory. Then it uses the file to install an agent with root privileges. Finally the world writable file is deleted.
IBM Director CIM Server Privilege Escalation Exploit
IBM Director is prone to a privilege-escalation vulnerability that affects the CIM server. Attackers can leverage this issue to execute arbitrary code with elevated privileges in the context of the CIM server process.
There is an exploitable buffer overflow in the SSINC.DLL file used by Microsoft IIS 5.0. The problem is triggered while including long enough filenames in any ASP file. After successful exploitation an agent will be installed. The process being exploited is usually run as an IUSR or IWAM user, specially created for IIS to answer anonymous requests. If this condition is present, the newly deployed agent will run with an unprivileged user.
Libdbus 1.5.x and earlier, when used in setuid processes not clearing the environment variables, allows local users to gain privileges and execute arbitrary code via the DBUS_SYSTEM_BUS_ADDRESS environment variable. This module exploits the vulnerability as present on the Xorg setuid binary and installs an agent with root privileges.
This module exploits a buffer overflow vulnerability in linuxconf. The vulnerability is due to insufficient bounds checking of the LINUXCONF_LANG environment variable.
Linux apport Race Condition Privilege Escalation Exploit
This module exploits a vulnerability in the Linux apport application. The apport application can be forced to drop privileges to uid 0 and write a corefile anywhere on the system. This can be used to write a corefile with crafted contents in a suitable location to gain root privileges.
The Composite extension for the X.org X11 server before 1.4 is vulnerable to a buffer overflow that allows an attacker to run arbitrary code as root. The error is located in the compNewPixmap function. This module triggers the overflow while creating a window with a high bit depth and a second child window with a lower bit depth. The overflow is only possible when windows of different depth can be created on the display, so most servers on 24 or 32 bit modes are not vulnerable, because the X server usually stores 24 bit pixels in 4 bytes.
Linux Kernel compat_alloc_user_space Privilege Escalation Exploit
The "compat_alloc_user_space" function, which belongs to the 32-bit compatibility layer for 64-bit versions of Linux, can produce a stack pointer underflow when it's called with an arbitrary length input. This vulnerability can be used by local unprivileged users to corrupt the kernel memory in order to gain root privileges.
Linux Kernel CONFIG_X86_X32 Privilege Escalation Exploit
This module exploits a privilege escalation vulnerability in the Linux Kernel. The X86_X32 recvmmsg syscall does not properly sanitize the timeout pointer passed from userspace and allows a local attacker to escalate privileges.
The Linux kernel function do_brk(), which handles the brk() syscall used by programs to increase or decrease the amount of heap memory they are using, does not sanity-check its argument. This module exploits this bug and writes to kernel memory in order to execute privileged code. This bug can even be exploited on a hardened Linux kernel, patched with PaX or grsecurity for instance.
Linux Kernel IA32 Syscall Emulation Privilege Escalation Exploit
This module exploits a vulnerability in Linux for x86-64. The IA32 system call emulation functionality does not zero-extend the EAX register after the 32bit entry path to ptrace is used, which might allow local users to trigger an out-of-bounds access to the system call table using the RAX register and gain root privileges. This vulnerability is a regression of CVE-2007-4573.
Linux Kernel libfutex Privilege Escalation Exploit
This module exploits a vulnerability in the Linux Kernel. The futex_requeue function in kernel/futex.c in the Linux kernel does not ensure that calls have two different futex addresses, which allows local attackers to gain privileges via a crafted FUTEX_REQUEUE command.