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Files Date: 2022-01-26 to 2022-01-27

Linux Kernel Slab Out-Of-Bounds Write
Posted Jan 26, 2022
Authored by Crusaders of Rust | Site github.com

This archive contains demo exploits for CVE-2022-0185. There are two versions here. The non-kctf version (fuse version) specifically targets Ubuntu with kernel version 5.11.0-44. It does not directly return a root shell, but makes /bin/bash suid, which will lead to trivial privilege escalation. Adjusting the single_start and modprobe_path offsets should allow it to work on most other Ubuntu versions that have kernel version 5.7 or higher; for versions between 5.1 and 5.7, the spray will need to be improved as in the kctf version. The exploitation strategy relies on FUSE and SYSVIPC elastic objects to achieve arbitrary write. The kctf version achieves code execution as the root user in the root namespace, but has at most 50% reliability - it is targeted towards Kubernetes 1.22 (1.22.3-gke.700). This exploitation strategy relies on pipes and SYSVIPC elastic objects to trigger a stack pivot and execute a ROP chain in kernelspace.

tags | exploit, arbitrary, shell, kernel, root, code execution, bash
systems | linux, ubuntu
advisories | CVE-2022-0185
SHA-256 | 8f9e0a3bd934c75bb63bb75c98368d05ec18006a64e52a0bc3f9ae155f0b72c1
Linux Kernel Slab Out-Of-Bounds Write
Posted Jan 26, 2022
Authored by Alejandro Guerrero

Local privilege escalation exploit for a Linux kernel slab out-of-bounds write vulnerability. This exploit has been tested in an Ubuntu 21.04 Hirsute with kernel 5.11.0.

tags | exploit, kernel, local
systems | linux, ubuntu
advisories | CVE-2022-0185
SHA-256 | 46970cc27a7bf55e660be14e1e0975df3058aefb276d3341c8fb2e841fe683c9
Polkit pkexec CVE-2021-4034 Local Root
Posted Jan 26, 2022
Authored by Daniele Linguaglossa | Site github.com

Local privilege escalation root exploit for Polkit's pkexec vulnerability as described in CVE-2021-4034 and known as PwnKit. Written in Go.

tags | exploit, local, root
systems | linux
advisories | CVE-2021-4034
SHA-256 | 55be64db4ee1fc4cb9ff1188b66c70af217b5dc74fb821becc08afd02c1fcfb7
Polkit pkexec CVE-2021-4034 Proof Of Concept
Posted Jan 26, 2022
Authored by Andris Raugulis | Site github.com

Local privilege escalation root exploit for Polkit's pkexec vulnerability as described in CVE-2021-4034. Verified on Debian 10 and CentOS 7. Written in C.

tags | exploit, local, root
systems | linux, debian, centos
advisories | CVE-2021-4034
SHA-256 | 5c59fb8b51079e3f956e9fcbe1974b3cbb587b1887064897119332a9ecf3f86a
Polkit pkexec Local Privilege Escalation
Posted Jan 26, 2022
Authored by Qualys Security Advisory | Site qualys.com

Qualys discovered a local privilege escalation (from any user to root) in polkit's pkexec, a SUID-root program that is installed by default on every major Linux distribution.

tags | advisory, local, root
systems | linux
advisories | CVE-2021-4034
SHA-256 | 23ec1cb3b1b5fe5409bb892ba3ae31bb746e06cafdf7afafd72fd7d4b136ebba
Ubuntu Security Notice USN-5193-2
Posted Jan 26, 2022
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5193-2 - USN-5193-1 fixed several vulnerabilities in X.Org. This update provides the corresponding update for Ubuntu 14.04 ESM and Ubuntu 16.04 ESM. Jan-Niklas Sohn discovered that the X.Org X Server incorrectly handled certain inputs. An attacker could use this issue to cause the server to crash, resulting in a denial of service, or possibly execute arbitrary code and escalate privileges.

tags | advisory, denial of service, arbitrary, vulnerability
systems | linux, ubuntu
advisories | CVE-2021-4008
SHA-256 | f647bd6ad96702195698bd3fe98e860fce9e487f903f66eba0dbc296be2fd2db
Backdoor.Win32.WinShell.50 MVID-2022-0474 Weak Hardcoded Password
Posted Jan 26, 2022
Authored by malvuln | Site malvuln.com

Backdoor.Win32.WinShell.50 malware suffers from a weak hardcoded password vulnerability.

tags | exploit
systems | windows
SHA-256 | 374ae6f411437c6fa9b4bd0fa17ceb62f4d56867595083dfbe6aa80e472c8192
Red Hat Security Advisory 2022-0268-03
Posted Jan 26, 2022
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2022-0268-03 - The polkit packages provide a component for controlling system-wide privileges. This component provides a uniform and organized way for non-privileged processes to communicate with privileged ones. Issues addressed include a privilege escalation vulnerability.

tags | advisory
systems | linux, redhat
advisories | CVE-2021-4034
SHA-256 | a9f87f5a06762c178c55658a6fef0a7d94e028717d2ce5d94c107b238bf47cfc
Red Hat Security Advisory 2022-0274-03
Posted Jan 26, 2022
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2022-0274-03 - The polkit packages provide a component for controlling system-wide privileges. This component provides a uniform and organized way for non-privileged processes to communicate with privileged ones. Issues addressed include a privilege escalation vulnerability.

tags | advisory
systems | linux, redhat
advisories | CVE-2021-4034
SHA-256 | 548fadacf93c44ebc15698f3f822dde1f845e3359ed0a28001bdc133d2f8c554
Red Hat Security Advisory 2022-0273-02
Posted Jan 26, 2022
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2022-0273-02 - The polkit packages provide a component for controlling system-wide privileges. This component provides a uniform and organized way for non-privileged processes to communicate with privileged ones. Issues addressed include a privilege escalation vulnerability.

tags | advisory
systems | linux, redhat
advisories | CVE-2021-4034
SHA-256 | 47c9d8f3774f382cfb38f6bfed9e2907e70621b5e76947577413751c05df7a23
Red Hat Security Advisory 2022-0265-03
Posted Jan 26, 2022
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2022-0265-03 - The polkit packages provide a component for controlling system-wide privileges. This component provides a uniform and organized way for non-privileged processes to communicate with privileged ones. Issues addressed include a privilege escalation vulnerability.

tags | advisory
systems | linux, redhat
advisories | CVE-2021-4034
SHA-256 | 73296ae14deafa46ce26a28f5089ea309cccb8ed7de0327936e8bb72916a3bb8
Red Hat Security Advisory 2022-0270-02
Posted Jan 26, 2022
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2022-0270-02 - The polkit packages provide a component for controlling system-wide privileges. This component provides a uniform and organized way for non-privileged processes to communicate with privileged ones. Issues addressed include a privilege escalation vulnerability.

tags | advisory
systems | linux, redhat
advisories | CVE-2021-4034
SHA-256 | 1ede8810b37e1f1f44033f95003511cbef0e5d69354292160fa97e114e21ce82
Red Hat Security Advisory 2022-0272-02
Posted Jan 26, 2022
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2022-0272-02 - The polkit packages provide a component for controlling system-wide privileges. This component provides a uniform and organized way for non-privileged processes to communicate with privileged ones. Issues addressed include a privilege escalation vulnerability.

tags | advisory
systems | linux, redhat
advisories | CVE-2021-4034
SHA-256 | 8e9c44932ee901d04d61029e5d1946ac669fb1cc8da6881a2c39a1ff09fe04c1
Red Hat Security Advisory 2022-0269-02
Posted Jan 26, 2022
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2022-0269-02 - The polkit packages provide a component for controlling system-wide privileges. This component provides a uniform and organized way for non-privileged processes to communicate with privileged ones. Issues addressed include a privilege escalation vulnerability.

tags | advisory
systems | linux, redhat
advisories | CVE-2021-4034
SHA-256 | e87f8fb1ef2d05300f7dc746f062ea6c1daab30b2ccdb6df9ab0795e937cfb1f
Red Hat Security Advisory 2022-0271-02
Posted Jan 26, 2022
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2022-0271-02 - The polkit packages provide a component for controlling system-wide privileges. This component provides a uniform and organized way for non-privileged processes to communicate with privileged ones. Issues addressed include a privilege escalation vulnerability.

tags | advisory
systems | linux, redhat
advisories | CVE-2021-4034
SHA-256 | c250e06b78505dfc5b8703f988b3545cbd7c2514893744b5a48347b79fb822e1
Red Hat Security Advisory 2022-0267-03
Posted Jan 26, 2022
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2022-0267-03 - The polkit packages provide a component for controlling system-wide privileges. This component provides a uniform and organized way for non-privileged processes to communicate with privileged ones. Issues addressed include a privilege escalation vulnerability.

tags | advisory
systems | linux, redhat
advisories | CVE-2021-4034
SHA-256 | 9d13348d38f51f7f741becfd0f2c51c4a05486781603e7bad71b3d5458c89f14
Red Hat Security Advisory 2022-0266-03
Posted Jan 26, 2022
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2022-0266-03 - The polkit packages provide a component for controlling system-wide privileges. This component provides a uniform and organized way for non-privileged processes to communicate with privileged ones. Issues addressed include a privilege escalation vulnerability.

tags | advisory
systems | linux, redhat
advisories | CVE-2021-4034
SHA-256 | 416b0ce88d59daa86ecf0d4a0b3fb1d6022dcbd06afb45c08fbd65efc47aaf59
Ubuntu Security Notice USN-5252-2
Posted Jan 26, 2022
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5252-2 - USN-5252-1 fixed a vulnerability in policykit-1. This update provides the corresponding update for Ubuntu 14.04 ESM and Ubuntu 16.04 ESM. It was discovered that the PolicyKit pkexec tool incorrectly handled command-line arguments. A local attacker could use this issue to escalate privileges to an administrator.

tags | advisory, local
systems | linux, ubuntu
advisories | CVE-2021-4034
SHA-256 | 79a191fdbd33ee59aec27cc1d4a478496d2ddddd45407287c0e521542987a2f6
Ubuntu Security Notice USN-5252-1
Posted Jan 26, 2022
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5252-1 - It was discovered that the PolicyKit pkexec tool incorrectly handled command-line arguments. A local attacker could use this issue to escalate privileges to an administrator.

tags | advisory, local
systems | linux, ubuntu
advisories | CVE-2021-4034
SHA-256 | b130c1c4ae73d3ee637fcfad0d7821db62540cca3e8dce5f04de67cd84030b3e
Red Hat Security Advisory 2022-0236-04
Posted Jan 26, 2022
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2022-0236-04 - Red Hat OpenShift Container Platform is Red Hat's cloud computing Kubernetes application platform solution designed for on-premise or private cloud deployments. Issues addressed include a code execution vulnerability.

tags | advisory, code execution
systems | linux, redhat
advisories | CVE-2020-25704, CVE-2020-36322, CVE-2021-42739, CVE-2021-44832
SHA-256 | 3e5a6bec35c6856aa056bb4ac5262b34cdac38f80ac88be73be24efc217c752c
Red Hat Security Advisory 2022-0258-02
Posted Jan 26, 2022
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2022-0258-02 - The httpd packages provide the Apache HTTP Server, a powerful, efficient, and extensible web server. Issues addressed include a buffer overflow vulnerability.

tags | advisory, web, overflow
systems | linux, redhat
advisories | CVE-2021-44790
SHA-256 | 84978a26c8f91408ff21f51246cdfe63707f797d09b7ce7c513fa0cab885efd9
Red Hat Security Advisory 2022-0260-03
Posted Jan 26, 2022
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2022-0260-03 - A highly-available key value store for shared configuration.

tags | advisory
systems | linux, redhat
advisories | CVE-2021-29923, CVE-2021-34558, CVE-2021-44716
SHA-256 | 1179f48badb122645d2f1b7fe6774a9038543b81175c4916c2a4d6637a588c7c
Polkit pkexec CVE-2021-4034 Local Root
Posted Jan 26, 2022
Authored by Davide Berardi | Site github.com

Local privilege escalation root exploit for Polkit's pkexec vulnerability as described in CVE-2021-4034 and known as PwnKit.

tags | exploit, local, root
systems | linux
advisories | CVE-2021-4034
SHA-256 | 12d83236acbffaf0f0962a4bba1234b4a0a9221ec6681b9ef274c6a8a414398c
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