Detections
Analytics
CentOS 7 : polkit (CESA-2016:0189)
medium Nessus Plugin ID 88761
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Synopsis
The remote CentOS host is missing one or more security updates.Description
Updated polkit packages that fix one security issue are now available for Red Hat Enterprise Linux 7.Red Hat Product Security has rated this update as having Moderate security impact. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available from the CVE link in the References section.
PolicyKit is a toolkit for defining and handling authorizations.
A denial of service flaw was found in how polkit handled authorization requests. A local, unprivileged user could send malicious requests to polkit, which could then cause the polkit daemon to corrupt its memory and crash. (CVE-2015-3256)
All polkit users should upgrade to these updated packages, which contain a backported patch to correct this issue. The system must be rebooted for this update to take effect.
Solution
Update the affected polkit packages.See Also
Plugin Details
Severity: Medium
ID: 88761
File Name: centos_RHSA-2016-0189.nasl
Version: 2.8
Type: local
Agent: unix
Family: CentOS Local Security Checks
Published: 2/17/2016
Updated: 1/4/2021
Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Agentless Assessment, Continuous Assessment, Nessus
Risk Information
VPR
Risk Factor: Medium
Score: 5.9
CVSS v2
Risk Factor: Medium
Base Score: 4.6
Temporal Score: 3.4
Vector: CVSS2#AV:L/AC:L/Au:N/C:P/I:P/A:P
CVSS Score Source: CVE-2015-3256
Vulnerability Information
CPE: p-cpe:/a:centos:centos:polkit-devel, cpe:/o:centos:centos:7, p-cpe:/a:centos:centos:polkit-docs, p-cpe:/a:centos:centos:polkit
Required KB Items: Host/local_checks_enabled, Host/CentOS/release, Host/CentOS/rpm-list
Exploit Ease: No known exploits are available
Patch Publication Date: 2/16/2016
Vulnerability Publication Date: 10/26/2015
Reference Information
CVE: CVE-2015-3256
RHSA: 2016:0189