Metasploit modules that can be used to exploit Canonical » Ubuntu Linux » 14.04 esm

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  • Docker cgroups Container Escape
    Disclosure Date: 2022-02-04
    First seen: 2023-12-07
    exploit/linux/local/docker_cgroup_escape
    This exploit module takes advantage of a Docker image which has either the privileged flag, or SYS_ADMIN Linux capability. If the host kernel is vulnerable, its possible to escape the Docker image and achieve root on the host operating system. A vulnerability was found in the Linux kernel's cgroup_release_agent_write in the kernel/cgroup/cgroup-v1.c function. This flaw, under certain circumstances, allows the use of the cgroups v1 release_agent feature to escalate privileges and bypass the namespace isolation unexpectedly. More simply put, cgroups v1 has a feature called release_agent that runs a program when a process in the cgroup terminates. If notify_on_release is enabled, the kernel runs the release_agent binary as root. By editing the release_agent file, an attacker can execute their own binary with elevated privileges, taking control of the system. However, the release_agent file is owned by root, so only a user with root access can modify it. Authors: - h00die - Yiqi Sun - Kevin Wang - T1erno
  • Local Privilege Escalation in polkits pkexec
    Disclosure Date: 2022-01-25
    First seen: 2022-12-23
    exploit/linux/local/cve_2021_4034_pwnkit_lpe_pkexec
    A bug exists in the polkit pkexec binary in how it processes arguments. If the binary is provided with no arguments, it will continue to process environment variables as argument variables, but without any security checking. By using the execve call we can specify a null argument list and populate the proper environment variables. This exploit is architecture independent. Authors: - Qualys Security - Andris Raugulis - Dhiraj Mishra - bwatters-r7
  • BIND TSIG Badtime Query Denial of Service
    Disclosure Date: 2020-05-19
    First seen: 2020-05-26
    auxiliary/dos/dns/bind_tsig_badtime
    A logic error in code which checks TSIG validity can be used to trigger an assertion failure in tsig.c. Authors: - Tobias Klein - Shuto Imai
  • PHP-FPM Underflow RCE
    Disclosure Date: 2019-10-22
    First seen: 2020-04-26
    exploit/multi/http/php_fpm_rce
    This module exploits an underflow vulnerability in versions 7.1.x below 7.1.33, 7.2.x below 7.2.24 and 7.3.x below 7.3.11 of PHP-FPM on Nginx. Only servers with certains Nginx + PHP-FPM configurations are exploitable. This is a port of the original neex's exploit code (see refs.). First, it detects the correct parameters (Query String Length and custom header length) needed to trigger code execution. This step determines if the target is actually vulnerable (Check method). Then, the exploit sets a series of PHP INI directives to create a file locally on the target, which enables code execution through a query string parameter. This is used to execute normal payload stagers. Finally, this module does some cleanup by killing local PHP-FPM workers (those are spawned automatically once killed) and removing the created local file. Authors: - neex - cdelafuente-r7
  • Reliable Datagram Sockets (RDS) rds_atomic_free_op NULL pointer dereference Privilege Escalation
    Disclosure Date: 2018-11-01
    First seen: 2020-04-26
    exploit/linux/local/rds_atomic_free_op_null_pointer_deref_priv_esc
    This 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. Target offsets are available for: Ubuntu 16.04 kernels 4.4.0 <= 4.4.0-116-generic; and Ubuntu 16.04 kernels 4.8.0 <= 4.8.0-54-generic. 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. Authors: - Mohamed Ghannam - Jann Horn - wbowling - bcoles <bcoles@gmail.com> - nstarke
  • Linux BPF Sign Extension Local Privilege Escalation
    Disclosure Date: 2017-11-12
    First seen: 2020-04-26
    exploit/linux/local/bpf_sign_extension_priv_esc
    Linux kernel prior to 4.14.8 contains a vulnerability in the Berkeley Packet Filter (BPF) verifier. The `check_alu_op` function performs incorrect sign extension which allows the verifier to be bypassed, leading to arbitrary kernel read/write. The target system must be compiled with BPF support and permit unprivileged access to BPF with `kernel.unprivileged_bpf_disabled` not set to 1. This module has been tested successfully on: Debian 9.0 kernel 4.9.0-3-amd64; Deepin 15.5 kernel 4.9.0-deepin13-amd64; ElementaryOS 0.4.1 kernel 4.8.0-52-generic; Fedora 24 kernel 4.5.5-300.fc24.x86_64; Fedora 25 kernel 4.8.6-300.fc25.x86_64; Fedora 26 kernel 4.11.8-300.fc26.x86_64; Fedora 27 kernel 4.13.9-300.fc27.x86_64; Gentoo 2.2 kernel 4.5.2-aufs-r; Linux Mint 17.3 kernel 4.4.0-89-generic; Linux Mint 18.0 kernel 4.8.0-58-generic; Linux Mint 18.3 kernel 4.13.0-16-generic; Mageia 6 kernel 4.9.35-desktop-1.mga6; Manjero 16.10 kernel 4.4.28-2-MANJARO; Solus 3 kernel 4.12.7-11.current; Ubuntu 14.04.1 kernel 4.4.0-89-generic; Ubuntu 16.04.2 kernel 4.8.0-45-generic; Ubuntu 16.04.3 kernel 4.10.0-28-generic; Ubuntu 17.04 kernel 4.10.0-19-generic; ZorinOS 12.1 kernel 4.8.0-39-generic. Authors: - Jann Horn - bleidl - vnik - rlarabee - h00die - bcoles <bcoles@gmail.com>
  • AF_PACKET chocobo_root Privilege Escalation
    Disclosure Date: 2016-08-12
    First seen: 2020-04-26
    exploit/linux/local/af_packet_chocobo_root_priv_esc
    This module exploits a race condition and use-after-free in the packet_set_ring function in net/packet/af_packet.c (AF_PACKET) in the Linux kernel to execute code as root (CVE-2016-8655). The bug was initially introduced in 2011 and patched in 2016 in version 4.4.0-53.74, potentially affecting a large number of kernels; however this exploit targets only systems using Ubuntu (Trusty / Xenial) kernels 4.4.0 < 4.4.0-53, including Linux distros based on Ubuntu, such as Linux Mint. The target system must have unprivileged user namespaces enabled, two or more CPU cores, and SMAP must be disabled. Bypasses for SMEP and KASLR are included. Failed exploitation may crash the kernel. This module has been tested successfully on Linux Mint 17.3 (x86_64); Linux Mint 18 (x86_64); Ubuntu 16.04 (x86_64); and Ubuntu 16.04.2 (x86_64). Authors: - rebel - bcoles <bcoles@gmail.com>
  • Overlayfs Privilege Escalation
    Disclosure Date: 2015-06-16
    First seen: 2020-04-26
    exploit/linux/local/overlayfs_priv_esc
    This module attempts to exploit two different CVEs related to overlayfs. CVE-2015-1328: Ubuntu specific -> 3.13.0-24 (14.04 default) < 3.13.0-55 3.16.0-25 (14.10 default) < 3.16.0-41 3.19.0-18 (15.04 default) < 3.19.0-21 CVE-2015-8660: Ubuntu: 3.19.0-18 < 3.19.0-43 4.2.0-18 < 4.2.0-23 (14.04.1, 15.10) Fedora: < 4.2.8 (vulnerable, un-tested) Red Hat: < 3.10.0-327 (rhel 6, vulnerable, un-tested) Authors: - h00die <mike@shorebreaksecurity.com> - rebel
  • Netlogon Weak Cryptographic Authentication
    First seen: 2020-09-22
    auxiliary/admin/dcerpc/cve_2020_1472_zerologon
    A vulnerability exists within the Netlogon authentication process where the security properties granted by AES are lost due to an implementation flaw related to the use of a static initialization vector (IV). An attacker can leverage this flaw to target an Active Directory Domain Controller and make repeated authentication attempts using NULL data fields which will succeed every 1 in 256 tries (~0.4%). This module leverages the vulnerability to reset the machine account password to an empty string, which will then allow the attacker to authenticate as the machine account. After exploitation, it's important to restore this password to it's original value. Failure to do so can result in service instability. Authors: - Tom Tervoort - Spencer McIntyre - Dirk-jan Mollema
9 metasploit modules found
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