CVSS: 7.8EPSS: 0%CPEs: 56EXPL: 34CVE-2021-4034 – Red Hat Polkit Out-of-Bounds Read and Write Vulnerability
https://notcve.org/view.php?id=CVE-2021-4034
A local privilege escalation vulnerability was found on polkit's pkexec utility. The pkexec application is a setuid tool designed to allow unprivileged users to run commands as privileged users according predefined policies. The current version of pkexec doesn't handle the calling parameters count correctly and ends trying to execute environment variables as commands. An attacker can leverage this by crafting environment variables in such a way it'll induce pkexec to execute arbitrary code. When successfully executed the attack can cause a local privilege escalation given unprivileged users administrative rights on the target machine. • https://github.com/dzonerzy/poc-cve-2021-4034 https://github.com/arthepsy/CVE-2021-4034 https://github.com/berdav/CVE-2021-4034 https://www.exploit-db.com/exploits/50689 https://github.com/PwnFunction/CVE-2021-4034 https://github.com/joeammond/CVE-2021-4034 https://github.com/nikaiw/CVE-2021-4034 https://github.com/ryaagard/CVE-2021-4034 https://github.com/Rvn0xsy/CVE-2021-4034 https://github.com/Ayrx/CVE-2021-4034 https://github.com/zhzyker/CVE-2021-4034& • CWE-20: Improper Input Validation CWE-125: Out-of-bounds Read CWE-787: Out-of-bounds Write •
CVSS: 7.8EPSS: 1%CPEs: 9EXPL: 24CVE-2021-3560 – Red Hat Polkit Incorrect Authorization Vulnerability
https://notcve.org/view.php?id=CVE-2021-3560
It was found that polkit could be tricked into bypassing the credential checks for D-Bus requests, elevating the privileges of the requestor to the root user. This flaw could be used by an unprivileged local attacker to, for example, create a new local administrator. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability. Se ha detectado que polkit podía ser engañado para omitir las comprobaciones de credenciales para las peticiones de D-Bus, elevando los privilegios del solicitante al usuario root. Este fallo podría ser usado por un atacante local no privilegiado para, por ejemplo, crear un nuevo administrador local. • https://www.exploit-db.com/exploits/50011 https://github.com/secnigma/CVE-2021-3560-Polkit-Privilege-Esclation https://github.com/RicterZ/CVE-2021-3560-Authentication-Agent https://github.com/hakivvi/CVE-2021-3560 https://github.com/WinMin/CVE-2021-3560 https://github.com/0dayNinja/CVE-2021-3560 https://github.com/AssassinUKG/Polkit-CVE-2021-3560 https://github.com/chenaotian/CVE-2021-3560 https://github.com/BizarreLove/CVE-2021-3560 https://github.com/cpu0x00/CVE-2021-3560&# • CWE-754: Improper Check for Unusual or Exceptional Conditions CWE-863: Incorrect Authorization •
CVSS: 4.7EPSS: 0%CPEs: 3EXPL: 0CVE-2018-1116 – polkit: Improper authorization in polkit_backend_interactive_authority_check_authorization function in polkitd
https://notcve.org/view.php?id=CVE-2018-1116
A flaw was found in polkit before version 0.116. The implementation of the polkit_backend_interactive_authority_check_authorization function in polkitd allows to test for authentication and trigger authentication of unrelated processes owned by other users. This may result in a local DoS and information disclosure. Se ha descubierto un problema en versiones anteriores a la 0.116 de polkit. La implementación de la función polkit_backend_interactive_authority_check_authorization en polkitd permite probar la autenticación y desencadenar la autenticación de procesos no relacionados propiedad de otros usuarios. • https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-1116 https://cgit.freedesktop.org/polkit/commit/?id=bc7ffad5364 https://lists.debian.org/debian-lts-announce/2018/07/msg00042.html https://security.gentoo.org/glsa/201908-14 https://usn.ubuntu.com/3717-2 https://access.redhat.com/security/cve/CVE-2018-1116 https://bugzilla.redhat.com/show_bug.cgi?id=1595404 • CWE-285: Improper Authorization CWE-862: Missing Authorization •
CVSS: 2.1EPSS: 0%CPEs: 1EXPL: 0CVE-2015-3218
https://notcve.org/view.php?id=CVE-2015-3218
The authentication_agent_new function in polkitbackend/polkitbackendinteractiveauthority.c in PolicyKit (aka polkit) before 0.113 allows local users to cause a denial of service (NULL pointer dereference and polkitd daemon crash) by calling RegisterAuthenticationAgent with an invalid object path. La función authentication_agent_new en polkitbackend/polkitbackendinteractiveauthority.c en PolicyKit (también conocido como polkit) en versiones anteriores a 0.113 permite a usuarios locales provocar una denegación de servicio (referencia a puntero NULL y caída de demonio polkitd) llamando a RegisterAuthenticationAgent con una ruta de objeto no válida. • http://lists.fedoraproject.org/pipermail/package-announce/2015-July/161721.html http://lists.fedoraproject.org/pipermail/package-announce/2015-July/162294.html http://lists.freedesktop.org/archives/polkit-devel/2015-July/000432.html http://lists.freedesktop.org/archives/polkit-devel/2015-May/000420.html http://lists.freedesktop.org/archives/polkit-devel/2015-May/000421.html http://lists.opensuse.org/opensuse-security-announce/2015-10/msg00010.html http://lists.opensuse.org/opensuse-updates/2015-11/msg00 •
CVSS: 4.6EPSS: 0%CPEs: 1EXPL: 0CVE-2015-3255
https://notcve.org/view.php?id=CVE-2015-3255
The polkit_backend_action_pool_init function in polkitbackend/polkitbackendactionpool.c in PolicyKit (aka polkit) before 0.113 might allow local users to gain privileges via duplicate action IDs in action descriptions. La función polkit_backend_action_pool_init en polkitbackend/polkitbackendactionpool.c en PolicyKit (también conocido como polkit) en versiones anteriores a 0.113 podría permitir a usuarios locales obtener privilegios a través de IDs de acción duplicados en descripciones de acción. • http://lists.freedesktop.org/archives/polkit-devel/2015-July/000432.html http://lists.opensuse.org/opensuse-security-announce/2015-10/msg00010.html http://lists.opensuse.org/opensuse-updates/2015-11/msg00042.html http://www.securitytracker.com/id/1035023 https://bugs.freedesktop.org/show_bug.cgi?id=83590 https://bugzilla.redhat.com/show_bug.cgi?id=1245673 https://security.gentoo.org/glsa/201611-07 https://usn.ubuntu.com/3717-2 • CWE-264: Permissions, Privileges, and Access Controls •