Polkit-CVE-2021-3560

Polkit-CVE-2021-3560 Background In early 2021 a researcher named Kevin Backhouse discovered a seven year old privilege escalation vulnerability since designated CVE-2021-3560 in the Linux polkit utility. Fortunately, different distributions of Linux and even different versions of the same...

bmcweb

OpenBMC webserver This component attempts to be a "do everything" embedded webserver for OpenBMC. Features The webserver implements a few distinct interfaces: DBus event websocket. Allows registering for changes to specific dbus paths, properties, and will send an event from the websocket if thos...

CVE-2021-3560

CVE-2021-3560 a reliable C based exploit for CVE-2021-3560. Summary: Yestreday i stumbled upon this blog post by Kevin Backhouse discovered this vulnerability, i tried the bash commands provided in the blogpost and to my surpise it worked on my Kali Linux box! CVE-2021-3560 is an authentication...

polkit-auto-exploit

polkit-auto-exploit Automatic Explotation PoC for Polkit CVE-2021-3560 Summary CVE-2021-3560 is an authentication bypass on polkit, which allows unprivileged user to call privileged methods using DBus, in this exploit we will call 2 privileged methods provided by accountsservice CreateUser and...

CVE-2021-3560

Polkit Vulnerability - CVE-2021-3560 📕 Introduction In 2021, a researcher named Kevin BackHouse discovered a privilege escalation vulnerability in the polkit utility. however, not all linux versions are vulnerable to polkit. Below is an example of a vulnerable version; Red Hat Enterprise Linux 8...

AZL-105923 CVE-2026-94422 affecting package xdg-dbus-proxy 0.1.6-2

An incorrect implementation of message filtering in xdg-dbus-proxy versions before 0.1.9 allows an attacker to bypass the intended message filtering on the D-Bus session bus by setting a reply serial number on non-reply messages. A malicious or compromised Flatpak app could use this to achieve...

CVE-2026-94422

An incorrect implementation of message filtering in xdg-dbus-proxy versions before 0.1.9 allows an attacker to bypass the intended message filtering on the D-Bus session bus by setting a reply serial number on non-reply messages. A malicious or compromised Flatpak app could use this to achieve...

CVE-2026-94422 xdg-dbus-proxy: message filtering bypass via reply serial allows sandbox escape

An incorrect implementation of message filtering in xdg-dbus-proxy versions before 0.1.9 allows an attacker to bypass the intended message filtering on the D-Bus session bus by setting a reply serial number on non-reply messages. A malicious or compromised Flatpak app could use this to achieve...

CVE-2026-94422

An incorrect implementation of message filtering in xdg-dbus-proxy versions before 0.1.9 allows an attacker to bypass the intended message filtering on the D-Bus session bus by setting a reply serial number on non-reply messages. A malicious or compromised Flatpak app could use this to achieve...

CVE-2026-94422

An incorrect implementation of message filtering in xdg-dbus-proxy versions before 0.1.9 allows an attacker to bypass the intended message filtering on the D-Bus session bus by setting a reply serial number on non-reply messages. A malicious or compromised Flatpak app could use this to achieve...

CVE-2026-94422

The xdg-dbus-proxy filtering proxy (versions before 0.1.9 ) contains an incorrect implementation of message filtering. An attacker can bypass the intended message filtering on the D-Bus session bus by setting a reply serial number on non-reply messages. This vulnerability could allow a malicious ...

CVE-2026-94422 xdg-dbus-proxy: message filtering bypass via reply serial allows sandbox escape

An incorrect implementation of message filtering in xdg-dbus-proxy versions before 0.1.9 allows an attacker to bypass the intended message filtering on the D-Bus session bus by setting a reply serial number on non-reply messages. A malicious or compromised Flatpak app could use this to achieve...

EUVD-2026-91646

An incorrect implementation of message filtering in xdg-dbus-proxy versions before 0.1.9 allows an attacker to bypass the intended message filtering on the D-Bus session bus by setting a reply serial number on non-reply messages. A malicious or compromised Flatpak app could use this to achieve...

POC-Bash-CVE-2021-3560

Bash-CVE-2021-3560 POC Bash -- CVE-2021-3560 Polkit Local Privilege Escalation Exploit This repository provides a bash exploit for CVE-2021-3560, a local privilege escalation vulnerability in polkit affecting many modern Linux distributions. !!!!!! Under test may cause instability !!!!! 💥...

[SECURITY] Fedora 44 Update: xdg-dbus-proxy-0.1.9-1.fc44

xdg-dbus-proxy is a filtering proxy for D-Bus connections. It was originally part of the flatpak project, but it has been broken out as a standalone module to facilitate using it in other contexts...

Rocky Linux 8.6 [CIQ] Security Update: dbus / dbus-common / dbus-daemon / dbus-daemon-debuginfo / etc Multiple Vulnerabilities (ciqsa-2026_0926)

The Rocky Linux 8.6 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ ciqsa-20260926 advisory. This advisory aggregates security fixes for the dbus SRPM in CIQ LTS 8.6. It addresses 4 CVEs: CVE-2023-34969, CVE-2022-42010, CVE-2022-42012,...

Fedora 44 : xdg-dbus-proxy (2026-93f562a43f)

The remote Fedora 44 host has a package installed that is affected by a vulnerability as referenced in the FEDORA-2026-93f562a43f advisory. Update to 0.1.9 Tenable has extracted the preceding description block directly from the Fedora security advisory. Note that Nessus has not tested for this...

Rocky Linux 8 [CIQ] Security Update: dbus / dbus-common / dbus-daemon / dbus-daemon-debuginfo / etc Multiple Vulnerabilities (crlsa-2023_0096)

The Rocky Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-20230096 advisory. dbus: dbus-daemon crashes when receiving message with incorrectly nested parentheses and curly brackets CVE-2022-42010 dbus: dbus-daemon can be crashed by...

Rocky Linux 8 [CIQ] Security Update: avahi / avahi-autoipd / avahi-autoipd-debuginfo / avahi-compat-howl / etc (crlsa-2023_7190)

The Rocky Linux 8 host has packages installed that are affected by a vulnerability as referenced in the CIQ crlsa-20237190 advisory. avahi: avahi-daemon can be crashed via DBus CVE-2023-1981 Tenable has extracted the preceding description block directly from the CIQ security advisory. Note that...

AlmaLinux 9.2 [TuxCare] Security Update: avahi / avahi-autoipd / avahi-compat-howl / avahi-compat-howl-devel / etc Multiple Vulnerabilities (ALMALINUX9.2:CLSA-2025:1743675732)

The AlmaLinux 9.2 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare ALMALINUX9.2:CLSA-2025:1743675732 advisory. - A flaw was found in avahi in versions 0.6 up to 0.8. The event used to signal the termination of the client connection on the avah...