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Files from Brendan Coles

Email addressbcoles at gmail.com
First Active2011-06-24
Last Active2020-09-21
VyOS restricted-shell Escape / Privilege Escalation
Posted Sep 21, 2020
Authored by Brendan Coles, Rich Mirch | Site metasploit.com

This Metasploit module exploits command injection vulnerabilities and an insecure default sudo configuration on VyOS versions 1.0.0 through 1.1.8 to execute arbitrary system commands as root. VyOS features a restricted-shell system shell intended for use by low privilege users with operator privileges. This module exploits a vulnerability in the telnet command to break out of the restricted shell, then uses sudo to exploit a command injection vulnerability in /opt/vyatta/bin/sudo-users/vyatta-show-lldp.pl to execute commands with root privileges. This module has been tested successfully on VyOS 1.1.8 amd64 and VyOS 1.0.0 i386.

tags | exploit, arbitrary, shell, root, vulnerability
advisories | CVE-2018-18556
MD5 | 3d5d65d5e0f254ce3c9343e508e95b9d
Mida Solutions eFramework ajaxreq.php Command Injection
Posted Sep 16, 2020
Authored by Brendan Coles, elbae | Site metasploit.com

This Metasploit module exploits a command injection vulnerability in Mida Solutions eFramework version 2.9.0 and prior. The ajaxreq.php file allows unauthenticated users to inject arbitrary commands in the PARAM parameter to be executed as the apache user. The sudo configuration permits the apache user to execute any command as root without providing a password, resulting in privileged command execution as root. This module has been successfully tested on Mida Solutions eFramework-C7-2.9.0 virtual appliance.

tags | exploit, arbitrary, root, php
advisories | CVE-2020-15920
MD5 | 1b7215ff6d3355202c2e796fb94a2cac
FreeBSD ip6_setpktopt Use-After-Free Privilege Escalation
Posted Jul 31, 2020
Authored by Brendan Coles, Andy Nguyen | Site metasploit.com

This Metasploit module exploits a race and use-after-free vulnerability in the FreeBSD kernel IPv6 socket handling. A missing synchronization lock in the IPV6_2292PKTOPTIONS option handling in setsockopt permits racing ip6_setpktopt access to a freed ip6_pktopts struct. This exploit overwrites the ip6po_pktinfo pointer of a ip6_pktopts struct in freed memory to achieve arbitrary kernel read/write.

tags | exploit, arbitrary, kernel
systems | freebsd, bsd
advisories | CVE-2020-7457
MD5 | 1349f7155a1c7dce0d1fdef5aa98748a
Druva inSync inSyncCPHwnet64.exe RPC Type 5 Privilege Escalation
Posted May 12, 2020
Authored by Brendan Coles, Chris Lyne | Site metasploit.com

Druva inSync client for Windows exposes a network service on TCP port 6064 on the local network interface. inSync versions 6.5.2 and prior do not validate user-supplied program paths in RPC type 5 messages, allowing execution of arbitrary commands as SYSTEM. This Metasploit module has been tested successfully on inSync version 6.5.2r99097 on Windows 7 SP1 (x64).

tags | exploit, arbitrary, local, tcp
systems | windows, 7
advisories | CVE-2019-3999
MD5 | c631ada55c0c2348cdd0af3ac42a8258
EyesOfNetwork AutoDiscovery Target Command Execution
Posted Mar 3, 2020
Authored by Brendan Coles, Clement Billac, Erik Wynter | Site metasploit.com

This Metasploit module exploits multiple vulnerabilities in EyesOfNetwork version 5.3 and prior in order to execute arbitrary commands as root. This module takes advantage of a command injection vulnerability in the target parameter of the AutoDiscovery functionality within the EON web interface in order to write an Nmap NSE script containing the payload to disk. It then starts an Nmap scan to activate the payload. This results in privilege escalation because the apache user can execute Nmap as root. Valid credentials for a user with administrative privileges are required. However, this module can bypass authentication via two methods, i.e. by generating an API access token based on a hard-coded key, and via SQL injection. This module has been successfully tested on EyesOfNetwork 5.3 with API version 2.4.2.

tags | exploit, web, arbitrary, root, vulnerability, sql injection
advisories | CVE-2020-8654, CVE-2020-8655, CVE-2020-8656, CVE-2020-8657
MD5 | 3a699f2aa100664503fd2a6553c99d29
Diamorphine Rootkit Signal Privilege Escalation
Posted Feb 20, 2020
Authored by m0nad, Brendan Coles | Site metasploit.com

This Metasploit module uses Diamorphine rootkit's privesc feature using signal 64 to elevate the privileges of arbitrary processes to UID 0 (root). This module has been tested successfully with Diamorphine from master branch (2019-10-04) on Linux Mint 19 kernel 4.15.0-20-generic (x64).

tags | exploit, arbitrary, kernel, root
systems | linux
MD5 | 0f5d26726fb0bdde38edd5ddbc676005
Windscribe WindscribeService Named Pipe Privilege Escalation
Posted Feb 5, 2020
Authored by Brendan Coles, Emin Ghuliev | Site metasploit.com

The Windscribe VPN client application for Windows makes use of a Windows service WindscribeService.exe which exposes a named pipe \\.\pipe\WindscribeService allowing execution of programs with elevated privileges. Windscribe versions prior to 1.82 do not validate user-supplied program names, allowing execution of arbitrary commands as SYSTEM. This Metasploit module has been tested successfully on Windscribe versions 1.80 and 1.81 on Windows 7 SP1 (x64).

tags | exploit, arbitrary
systems | windows, 7
advisories | CVE-2018-11479
MD5 | cd70d8abe7ef8543a1dba71630a3f379
Reliable Datagram Sockets (RDS) rds_atomic_free_op Privilege Escalation
Posted Jan 22, 2020
Authored by Brendan Coles, Jann Horn, Mohamed Ghannam, nstarke, wbowling | Site metasploit.com

This Metasploit module attempts to gain root privileges on Linux systems by abusing a NULL pointer dereference in the rds_atomic_free_op function in the Reliable Datagram Sockets (RDS) kernel module (rds.ko). Successful exploitation requires the RDS kernel module to be loaded. If the RDS module is not blacklisted (default); then it will be loaded automatically. This exploit supports 64-bit Ubuntu Linux systems, including distributions based on Ubuntu, such as Linux Mint and Zorin OS. This exploit does not bypass SMAP. Bypasses for SMEP and KASLR are included. Failed exploitation may crash the kernel. This module has been tested successfully on various 4.4 and 4.8 kernels.

tags | exploit, kernel, root
systems | linux, ubuntu
advisories | CVE-2018-5333, CVE-2019-9213
MD5 | e83495fea436d8a384500ace26357f2f
Plantronics Hub SpokesUpdateService Privilege Escalation
Posted Jan 15, 2020
Authored by Brendan Coles, Markus Krell | Site metasploit.com

The Plantronics Hub client application for Windows makes use of an automatic update service SpokesUpdateService.exe which automatically executes a file specified in the MajorUpgrade.config configuration file as SYSTEM. The configuration file is writable by all users by default. This module has been tested successfully on Plantronics Hub version 3.13.2 on Windows 7 SP1 (x64). This Metasploit module has been tested successfully on Plantronics Hub version 3.13.2 on Windows 7 SP1 (x64).

tags | exploit
systems | windows, 7
advisories | CVE-2019-15742
MD5 | 3edb57f1063129875bbf9e59e5ed282b
OpenBSD Dynamic Loader chpass Privilege Escalation
Posted Dec 27, 2019
Authored by Brendan Coles, Qualys Security Advisory | Site metasploit.com

This Metasploit module exploits a vulnerability in the OpenBSD ld.so dynamic loader (CVE-2019-19726). The _dl_getenv() function fails to reset the LD_LIBRARY_PATH environment variable when set with approximately ARG_MAX colons. This can be abused to load libutil.so from an untrusted path, using LD_LIBRARY_PATH in combination with the chpass set-uid executable, resulting in privileged code execution. This module has been tested successfully on OpenBSD 6.1 (amd64) and OpenBSD 6.6 (amd64).

tags | exploit, code execution
systems | openbsd
advisories | CVE-2019-19726
MD5 | 0a972f77813616f87fc79b2ebe062ffb
Reptile Rootkit reptile_cmd Privilege Escalation
Posted Dec 23, 2019
Authored by Brendan Coles, f0rb1dd3n | Site metasploit.com

This Metasploit module uses Reptile rootkit's reptile_cmd backdoor executable to gain root privileges using the root command. This module has been tested successfully with Reptile from master branch (2019-03-04) on Ubuntu 18.04.3 (x64) and Linux Mint 19 (x64).

tags | exploit, root
systems | linux, ubuntu
MD5 | a45009c7d529d2cc46cd3ba0f3c2c122
vReliable Datagram Sockets (RDS) rds_page_copy_user Privilege Escalation
Posted Dec 23, 2019
Authored by Dan Rosenberg, Brendan Coles | Site metasploit.com

This Metasploit module exploits a vulnerability in the rds_page_copy_user function in net/rds/page.c (RDS) in Linux kernel versions 2.6.30 to 2.6.36-rc8 to execute code as root (CVE-2010-3904). This module has been tested successfully on Fedora 13 (i686) kernel version 2.6.33.3-85.fc13.i686.PAE and Ubuntu 10.04 (x86_64) with kernel version 2.6.32-21-generic.

tags | exploit, kernel, root
systems | linux, fedora, ubuntu
advisories | CVE-2010-3904
MD5 | ae11a67b34fba9d465c0f0b7d84392d0
FusionPBX Operator Panel exec.php Command Execution
Posted Nov 14, 2019
Authored by Brendan Coles, Dustin Cobb | Site metasploit.com

This Metasploit module exploits an authenticated command injection vulnerability in FusionPBX versions 4.4.3 and prior. The exec.php file within the Operator Panel permits users with operator_panel_view permissions, or administrator permissions, to execute arbitrary commands as the web server user by sending a system command to the FreeSWITCH event socket interface. This module has been tested successfully on FusionPBX version 4.4.1 on Ubuntu 19.04 (x64).

tags | exploit, web, arbitrary, php
systems | linux, ubuntu
advisories | CVE-2019-11409
MD5 | 8371c066836fe4c5336f32a7b5aa18d5
FusionPBX Command exec.php Command Execution
Posted Nov 14, 2019
Authored by Brendan Coles | Site metasploit.com

This Metasploit module uses administrative functionality available in FusionPBX to gain a shell. The Command section of the application permits users with exec_view permissions, or superadmin permissions, to execute arbitrary system commands, or arbitrary PHP code, as the web server user. This module has been tested successfully on FusionPBX version 4.4.1 on Ubuntu 19.04 (x64).

tags | exploit, web, arbitrary, shell, php
systems | linux, ubuntu
MD5 | f85a37b65def4dd691f01bcc8dc57001
FreeSWITCH Event Socket Command Execution
Posted Nov 14, 2019
Authored by Brendan Coles | Site metasploit.com

This Metasploit module uses the FreeSWITCH event socket interface to execute system commands using the system API command. The event socket service is enabled by default and listens on TCP port 8021 on the local network interface. This module has been tested successfully on FreeSWITCH versions: 1.6.10-17-726448d~44bit on FreeSWITCH-Deb8-TechPreview virtual machine; 1.8.4~64bit on Ubuntu 19.04 (x64); and 1.10.1~64bit on Windows 7 SP1 (EN) (x64).

tags | exploit, local, tcp
systems | linux, windows, ubuntu, 7
MD5 | fabd4afa284981bdc1c471d62f81d23a
rConfig 3.9.2 Command Injection
Posted Nov 7, 2019
Authored by Brendan Coles, mhaskar | Site metasploit.com

This Metasploit module exploits an unauthenticated command injection vulnerability in rConfig versions 3.9.2 and prior. The install directory is not automatically removed after installation, allowing unauthenticated users to execute arbitrary commands via the ajaxServerSettingsChk.php file as the web server user. This module has been tested successfully on rConfig version 3.9.2 on CentOS 7.7.1908 (x64).

tags | exploit, web, arbitrary, php
systems | linux, centos
advisories | CVE-2019-16662
MD5 | 5a8c7959c835ac3cbcc733bb6b9b60ac
Solaris xscreensaver Privilege Escalation
Posted Oct 23, 2019
Authored by Marco Ivaldi, Brendan Coles | Site metasploit.com

This Metasploit module exploits a vulnerability in xscreensaver versions since 5.06 on unpatched Solaris 11 systems which allows users to gain root privileges. xscreensaver allows users to create a user-owned file at any location on the filesystem using the -log command line argument introduced in version 5.06. This module uses xscreensaver to create a log file in /usr/lib/secure/, overwrites the log file with a shared object, and executes the shared object using the LD_PRELOAD environment variable. This module has been tested successfully on xscreensaver version 5.15 on Solaris 11.1 (x86) and xscreensaver version 5.15 on Solaris 11.3 (x86).

tags | exploit, x86, root
systems | solaris
advisories | CVE-2019-3010
MD5 | 6839e7bec0a8edd74031049d0e2ff4f0
Linux Polkit pkexec Helper PTRACE_TRACEME Local Root
Posted Oct 23, 2019
Authored by Brendan Coles, Jann Horn, timwr | Site metasploit.com

This Metasploit module exploits an issue in ptrace_link in kernel/ptrace.c before Linux kernel 5.1.17. This issue can be exploited from a Linux desktop terminal, but not over an SSH session, as it requires execution from within the context of a user with an active Polkit agent. In the Linux kernel before 5.1.17, ptrace_link in kernel/ptrace.c mishandles the recording of the credentials of a process that wants to create a ptrace relationship, which allows local users to obtain root access by leveraging certain scenarios with a parent-child process relationship, where a parent drops privileges and calls execve (potentially allowing control by an attacker). One contributing factor is an object lifetime issue (which can also cause a panic). Another contributing factor is incorrect marking of a ptrace relationship as privileged, which is exploitable through (for example) Polkit's pkexec helper with PTRACE_TRACEME.

tags | exploit, kernel, local, root
systems | linux
advisories | CVE-2019-13272
MD5 | a67b52657090e25d42aa370f66e7ca88
ABRT sosreport Privilege Escalation
Posted Sep 24, 2019
Authored by rebel, Brendan Coles | Site metasploit.com

This Metasploit module attempts to gain root privileges on RHEL systems with a vulnerable version of Automatic Bug Reporting Tool (ABRT) configured as the crash handler. sosreport uses an insecure temporary directory, allowing local users to write to arbitrary files (CVE-2015-5287). This module has been tested successfully on abrt 2.1.11-12.el7 on RHEL 7.0 x86_64 and abrt 2.1.11-19.el7 on RHEL 7.1 x86_64.

tags | exploit, arbitrary, local, root
advisories | CVE-2015-5287
MD5 | 0f23d5ba9a3e00fce536b47e337e69e0
ktsuss Suid Privilege Escalation
Posted Sep 2, 2019
Authored by Brendan Coles, John Lightsey | Site metasploit.com

This Metasploit module attempts to gain root privileges by exploiting a vulnerability in ktsuss versions 1.4 and prior. The ktsuss executable is setuid root and does not drop privileges prior to executing user specified commands, resulting in command execution with root privileges. This module has been tested successfully on ktsuss 1.3 on SparkyLinux 6 (2019.08) (LXQT) (x64) and ktsuss 1.3 on SparkyLinux 5.8 (LXQT) (x64).

tags | exploit, root
advisories | CVE-2011-2921
MD5 | 53a9f0201b780420f5381361944c130d
ptrace Sudo Token Privilege Escalation
Posted Sep 2, 2019
Authored by Brendan Coles, chaignc | Site metasploit.com

This Metasploit module attempts to gain root privileges by blindly injecting into the session user's running shell processes and executing commands by calling system(), in the hope that the process has valid cached sudo tokens with root privileges. The system must have gdb installed and permit ptrace. This module has been tested successfully on Debian 9.8 (x64) and CentOS 7.4.1708 (x64).

tags | exploit, shell, root
systems | linux, debian, centos
MD5 | c68e752b3a6a49ce8044fcde8724dad7
Xymon useradm Command Execution
Posted Jul 12, 2019
Authored by Brendan Coles, Markus Krell | Site metasploit.com

This Metasploit module exploits a command injection vulnerability in Xymon versions before 4.3.25 which allows authenticated users to execute arbitrary operating system commands as the web server user. When adding a new user to the system via the web interface with useradm.sh, the user's username and password are passed to htpasswd in a call to system() without validation. This module has been tested successfully on Xymon version 4.3.10 on Debian 6.

tags | exploit, web, arbitrary
systems | linux, debian
advisories | CVE-2016-2056
MD5 | 5d1fdb4c7a1abc1fbc3c13a84a4a2eef
Serv-U FTP Server prepareinstallation Privilege Escalation
Posted Jul 2, 2019
Authored by Brendan Coles, Guy Levin | Site metasploit.com

This Metasploit module attempts to gain root privileges on systems running Serv-U FTP Server versions prior to 15.1.7. The Serv-U executable is setuid root, and uses ARGV[0] in a call to system(), without validation, when invoked with the -prepareinstallation flag, resulting in command execution with root privileges. This module has been tested successfully on Serv-U FTP Server version 15.1.6 (x64) on Debian 9.6 (x64).

tags | exploit, root
systems | linux, debian
advisories | CVE-2019-12181
MD5 | 1d12f5062e9025a10eced07459b45d73
SystemTap 1.3 MODPROBE_OPTIONS Privilege Escalation
Posted Apr 19, 2019
Authored by Tavis Ormandy, Brendan Coles | Site metasploit.com

This Metasploit module attempts to gain root privileges by exploiting a vulnerability in the staprun executable included with SystemTap version 1.3. The staprun executable does not clear environment variables prior to executing modprobe, allowing an arbitrary configuration file to be specified in the MODPROBE_OPTIONS environment variable, resulting in arbitrary command execution with root privileges. This module has been tested successfully on: systemtap 1.2-1.fc13-i686 on Fedora 13 (i686); and systemtap 1.1-3.el5 on RHEL 5.5 (x64).

tags | exploit, arbitrary, root
systems | linux, fedora
advisories | CVE-2010-4170
MD5 | b8d10e29a77409ce1871a790dad33d49
elFinder PHP Connector exiftran Command Injection
Posted Mar 12, 2019
Authored by Brendan Coles, Thomas Chauchefoin, q3rv0 | Site metasploit.com

This Metasploit module exploits a command injection vulnerability in elFinder versions prior to 2.1.48. The PHP connector component allows unauthenticated users to upload files and perform file modification operations, such as resizing and rotation of an image. The file name of uploaded files is not validated, allowing shell metacharacters. When performing image operations on JPEG files, the filename is passed to the exiftran utility without appropriate sanitization, causing shell commands in the file name to be executed, resulting in remote command injection as the web server user. The PHP connector is not enabled by default. The system must have exiftran installed and in the PATH. This module has been tested successfully on elFinder versions 2.1.47, 2.1.20, and 2.1.16 on Ubuntu.

tags | exploit, remote, web, shell, php
systems | linux, ubuntu
MD5 | 3664569f65ef2128717bd5e02f29d7b4
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