Risk | Low |
Patch available | YES |
Number of vulnerabilities | 1 |
CVE-ID | CVE-2015-3218 |
CWE-ID | CWE-476 |
Exploitation vector | Local |
Public exploit | N/A |
Vulnerable software |
polkit Other software / Other software solutions |
Vendor | Freedesktop.org |
Security Bulletin
This security bulletin contains one low risk vulnerability.
EUVDB-ID: #VU32033
Risk: Low
CVSSv4.0: [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]
CVE-ID: CVE-2015-3218
CWE-ID:
CWE-476 - NULL Pointer Dereference
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a NULL pointer dereference error 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. <a href="http://cwe.mitre.org/data/definitions/476. A remote attacker can perform a denial of service (DoS) attack.
MitigationUpdate to version 0.113.
Vulnerable software versionspolkit: 0.91 - 0.112
CPE2.3http://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/msg00042.html
http://www.securityfocus.com/bid/76086
http://www.securitytracker.com/id/1035023
http://usn.ubuntu.com/3717-1/
Q & A
Can this vulnerability be exploited remotely?
No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.