Vulnerability DatabaseCVE-2015-3218
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CVE-2015-3218
Published:October 26, 2015
Updated:May 17, 2026
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.
Related Resources (13)
http://lists.opensuse.org/opensuse-security-announce/2015-10/msg00010.html
http://lists.freedesktop.org/archives/polkit-devel/2015-May/000421.html
https://access.redhat.com/security/cve/CVE-2015-3218
https://people.canonical.com/~ubuntu-security/cve/CVE-2015-3218
http://lists.fedoraproject.org/pipermail/package-announce/2015-July/162294.html
http://www.securityfocus.com/bid/76086
https://usn.ubuntu.com/3717-1/
http://lists.freedesktop.org/archives/polkit-devel/2015-May/000420.html
http://lists.freedesktop.org/archives/polkit-devel/2015-July/000432.html
http://www.securitytracker.com/id/1035023
http://lists.opensuse.org/opensuse-updates/2015-11/msg00042.html
https://security-tracker.debian.org/tracker/CVE-2015-3218
http://lists.fedoraproject.org/pipermail/package-announce/2015-July/161721.html
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CVSS v3
Base Score:
4
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
LOW
CVSS v2
Base Score:
2.1
Access Vector
LOCAL
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
EPSS
Base Score:
0.13