CVE-2015-3218

Description

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.

2.1

CVSS

Severity: Low

CVSS 2.0 •

EPSS 0.09%

Vendor Advisory ubuntu.com Vendor Advisory fedoraproject.org Vendor Advisory opensuse.org Vendor Advisory fedoraproject.org Vendor Advisory opensuse.org

Affected: n/a n/a

References

Link	Tags
http://lists.freedesktop.org/archives/polkit-devel/2015-May/000420.html	mailing list
https://usn.ubuntu.com/3717-1/	vendor advisory
http://lists.fedoraproject.org/pipermail/package-announce/2015-July/161721.html	vendor advisory
http://lists.opensuse.org/opensuse-updates/2015-11/msg00042.html	vendor advisory
http://lists.fedoraproject.org/pipermail/package-announce/2015-July/162294.html	vendor advisory
http://lists.freedesktop.org/archives/polkit-devel/2015-July/000432.html	mailing list
http://www.securityfocus.com/bid/76086	vdb entry
http://lists.opensuse.org/opensuse-security-announce/2015-10/msg00010.html	vendor advisory
http://www.securitytracker.com/id/1035023	vdb entry
http://lists.freedesktop.org/archives/polkit-devel/2015-May/000421.html	mailing list

Frequently Asked Questions

What is the severity of CVE-2015-3218?: CVE-2015-3218 has been scored as a low severity vulnerability.
How to fix CVE-2015-3218?: To fix CVE-2015-3218, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2015-3218 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2015-3218 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.

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