Oracle Linux 7 : polkit (ELSA-2016-0189)

Medium Nessus Plugin ID 88780

Synopsis

The remote Oracle Linux host is missing one or more security updates.

Description

From Red Hat Security Advisory 2016:0189 :

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

https://oss.oracle.com/pipermail/el-errata/2016-February/005788.html

Plugin Details

Severity: Medium

ID: 88780

File Name: oraclelinux_ELSA-2016-0189.nasl

Version: 2.5

Type: local

Agent: unix

Published: 2016/02/17

Updated: 2019/09/27

Dependencies: 12634

Risk Information

Risk Factor: Medium

CVSS v2.0

Base Score: 4.6

Temporal Score: 3.4

Vector: CVSS2#AV:L/AC:L/Au:N/C:P/I:P/A:P

Temporal Vector: CVSS2#E:U/RL:OF/RC:C

Vulnerability Information

CPE: p-cpe:/a:oracle:linux:polkit, p-cpe:/a:oracle:linux:polkit-devel, p-cpe:/a:oracle:linux:polkit-docs, cpe:/o:oracle:linux:7

Required KB Items: Host/local_checks_enabled, Host/OracleLinux, Host/RedHat/release, Host/RedHat/rpm-list

Exploit Available: false

Exploit Ease: No known exploits are available

Patch Publication Date: 2016/02/16

Vulnerability Publication Date: 2015/10/26

Reference Information

CVE: CVE-2015-3256

RHSA: 2016:0189