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Files from Christophe de la Fuente

Email addresschristophe at tempest.com.br
First Active2010-01-26
Last Active2021-04-07
Gogs Git Hooks Remote Code Execution
Posted Apr 7, 2021
Authored by Christophe de la Fuente, Podalirius | Site metasploit.com

This Metasploit module leverages an insecure setting to get remote code execution on the target OS in the context of the user running Gogs. This is possible when the current user is allowed to create git hooks, which is the default for administrative users. For non-administrative users, the permission needs to be specifically granted by an administrator. To achieve code execution, the module authenticates to the Gogs web interface, creates a temporary repository, sets a post-receive git hook with the payload and creates a dummy file in the repository. This last action will trigger the git hook and execute the payload. Everything is done through the web interface. No mitigation has been implemented so far (latest stable version is 0.12.3). This module has been tested successfully against version 0.12.3 on docker. Windows version could not be tested since the git hook feature seems to be broken.

tags | exploit, remote, web, code execution
systems | windows
advisories | CVE-2020-15867
MD5 | b94ad9d4b20219eb61069ef797cbb9b2
Gitea Git Hooks Remote Code Execution
Posted Apr 7, 2021
Authored by Christophe de la Fuente, Podalirius | Site metasploit.com

This Metasploit module leverages an insecure setting to get remote code execution on the target OS in the context of the user running Gitea. This is possible when the current user is allowed to create git hooks, which is the default for administrative users. For non-administrative users, the permission needs to be specifically granted by an administrator. To achieve code execution, the module authenticates to the Gitea web interface, creates a temporary repository, sets a post-receive git hook with the payload and creates a dummy file in the repository. This last action will trigger the git hook and execute the payload. Everything is done through the web interface. It has been mitigated in version 1.13.0 by setting the Gitea DISABLE_GIT_HOOKS configuration setting to true by default. This disables this feature and prevents all users (including admin) from creating custom git hooks. This module has been tested successfully against docker versions 1.12.5, 1.12.6 and 1.13.6 with DISABLE_GIT_HOOKS set to false, and on version 1.12.6 on Windows.

tags | exploit, remote, web, code execution
systems | windows
advisories | CVE-2020-14144
MD5 | 4cb5b6740800ce4b96147b406421ff7b
SaltStack Salt API Unauthenticated Remote Command Execution
Posted Apr 1, 2021
Authored by Christophe de la Fuente, Alex Seymour | Site metasploit.com

This Metasploit module leverages an authentication bypass and directory traversal vulnerabilities in Saltstack Salt's REST API to execute commands remotely on the master as the root user. Every 60 seconds, salt-master service performs a maintenance process check that reloads and executes all the grains on the master, including custom grain modules in the Extension Module directory. So, this module simply creates a Python script at this location and waits for it to be executed. The time interval is set to 60 seconds by default but can be changed in the master configuration file with the loop_interval option. Note that, if an administrator executes commands locally on the master, the maintenance process check will also be performed. It has been fixed in the following installation packages: 3002.5, 3001.6 and 3000.8. Also, a patch is available for the following versions: 3002.2, 3001.4, 3000.6, 2019.2.8, 2019.2.5, 2018.3.5, 2017.7.8, 2016.11.10, 2016.11.6, 2016.11.5, 2016.11.3, 2016.3.8, 2016.3.6, 2016.3.4, 2015.8.13 and 2015.8.10. This module has been tested successfully against versions 3001.4, 3002 and 3002.2 on Ubuntu 18.04.

tags | exploit, root, vulnerability, python
systems | linux, ubuntu
advisories | CVE-2021-25281, CVE-2021-25282
MD5 | c836d9acbeb076642702599310fe13a4
SpamTitan 7.07 Command Injection
Posted Jan 5, 2021
Authored by Christophe de la Fuente, Felipe Molina | Site metasploit.com

This Metasploit module exploits an improper input sanitization in SpamTitan versions 7.01, 7.02, 7.03 and 7.07 to inject command directives into the SNMP configuration file and get remote code execution as root. Note that only version 7.03 needs authentication and no authentication is required for versions 7.01, 7.02 and 7.07.

tags | exploit, remote, root, code execution
advisories | CVE-2020-11698
MD5 | 3fb380f22740f3fda8c78a8b5b723600
Cisco AnyConnect Privilege Escalation
Posted Sep 30, 2020
Authored by Yorick Koster, Christophe de la Fuente, Antoine Goichot | Site metasploit.com

The installer component of Cisco AnyConnect Secure Mobility Client for Windows prior to 4.8.02042 is vulnerable to path traversal and allows local attackers to create/overwrite files in arbitrary locations with system level privileges. The installer component of Cisco AnyConnect Secure Mobility Client for Windows prior to 4.9.00086 is vulnerable to a DLL hijacking and allows local attackers to execute code on the affected machine with with system level privileges. Both attacks consist in sending a specially crafted IPC request to the TCP port 62522 on the loopback device, which is exposed by the Cisco AnyConnect Secure Mobility Agent service.

tags | exploit, arbitrary, local, tcp
systems | cisco, windows
advisories | CVE-2020-3153, CVE-2020-3433
MD5 | 6dab51a6758b6569e7dba4af74f482ed
Cisco AnyConnect Path Traversal / Privilege Escalation
Posted Jun 25, 2020
Authored by Yorick Koster, Christophe de la Fuente, Antoine Goichot | Site metasploit.com

The installer component of Cisco AnyConnect Secure Mobility Client for Windows prior to version 4.8.02042 is vulnerable to path traversal and allows local attackers to create/overwrite files in arbitrary locations with system level privileges. The attack consists in sending a specially crafted IPC request to the TCP port 62522 on the loopback device, which is exposed by the Cisco AnyConnect Secure Mobility Agent service. This service will then launch the vulnerable installer component (vpndownloader), which copies itself to an arbitrary location before being executed with system privileges. Since vpndownloader is also vulnerable to DLL hijacking, a specially crafted DLL (dbghelp.dll) is created at the same location vpndownloader will be copied to get code execution with system privileges. This exploit has been successfully tested against Cisco AnyConnect Secure Mobility Client versions 4.5.04029, 4.5.05030 and 4.7.04056 on Windows 10 version 1909 (x64) and Windows 7 SP1 (x86).

tags | exploit, arbitrary, x86, local, tcp, code execution
systems | cisco, windows, 7
advisories | CVE-2020-3153
MD5 | 0ce466f922be78b19e5b1169c13ef711
Merethis Centreon 2.3.1 Code Execution
Posted Nov 8, 2011
Authored by Christophe de la Fuente | Site trustwave.com

The Centreon supervision and monitoring tool provided by Merethis permits remote code execution from the command help web page allowing an attacker to execute arbitrary commands in the context of the webserver hosting the application. The system also uses a one-way hash without a salt. Versions 2.3.1 and below are affected.

tags | exploit, remote, web, arbitrary, code execution
MD5 | a6b0f2282a375e29d3f39931335be4e4
Publique! Framework 2.3 SQL Injection
Posted Jan 26, 2010
Authored by Christophe de la Fuente, Gustavo Pimentel Bittencourt

Publique! Framework version 2.3 suffers from a remote SQL injection vulnerability.

tags | exploit, remote, sql injection
MD5 | 049f0acbfc1cd3a6c121dedc597ace79
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