Oracle Linux 7 : freeradius (ELSA-2017-2389)

critical Nessus Plugin ID 102344

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Synopsis

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

Description

From Red Hat Security Advisory 2017:2389 :

An update for freeradius is now available for Red Hat Enterprise Linux 7.

Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

FreeRADIUS is a high-performance and highly configurable free Remote Authentication Dial In User Service (RADIUS) server, designed to allow centralized authentication and authorization for a network.

Security Fix(es) :

* An out-of-bounds write flaw was found in the way FreeRADIUS server handled certain attributes in request packets. A remote attacker could use this flaw to crash the FreeRADIUS server or to execute arbitrary code in the context of the FreeRADIUS server process by sending a specially crafted request packet. (CVE-2017-10984)

* An out-of-bounds read and write flaw was found in the way FreeRADIUS server handled RADIUS packets. A remote attacker could use this flaw to crash the FreeRADIUS server by sending a specially crafted RADIUS packet. (CVE-2017-10978)

* An out-of-bounds read flaw was found in the way FreeRADIUS server handled decoding of DHCP packets. A remote attacker could use this flaw to crash the FreeRADIUS server by sending a specially crafted DHCP request. (CVE-2017-10983)

* A denial of service flaw was found in the way FreeRADIUS server handled certain attributes in request packets. A remote attacker could use this flaw to cause the FreeRADIUS server to enter an infinite loop, consume increasing amounts of memory resources, and ultimately crash by sending a specially crafted request packet. (CVE-2017-10985)

* Multiple out-of-bounds read flaws were found in the way FreeRADIUS server handled decoding of DHCP packets. A remote attacker could use these flaws to crash the FreeRADIUS server by sending a specially crafted DHCP request. (CVE-2017-10986, CVE-2017-10987)

Red Hat would like to thank the FreeRADIUS project for reporting these issues. Upstream acknowledges Guido Vranken as the original reporter of these issues.

Solution

Update the affected freeradius packages.

Plugin Details

Severity: Critical

ID: 102344

File Name: oraclelinux_ELSA-2017-2389.nasl

Version: 3.6

Type: local

Agent: unix

Family: Oracle Linux Local Security Checks

Published: 8/10/2017

Updated: 1/14/2021

Supported Sensors: Frictionless Assessment Agent, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 5.8

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

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:oracle:linux:freeradius-unixodbc, p-cpe:/a:oracle:linux:freeradius-utils, cpe:/o:oracle:linux:7, p-cpe:/a:oracle:linux:freeradius, p-cpe:/a:oracle:linux:freeradius-devel, p-cpe:/a:oracle:linux:freeradius-doc, p-cpe:/a:oracle:linux:freeradius-krb5, p-cpe:/a:oracle:linux:freeradius-ldap, p-cpe:/a:oracle:linux:freeradius-mysql, p-cpe:/a:oracle:linux:freeradius-perl, p-cpe:/a:oracle:linux:freeradius-postgresql, p-cpe:/a:oracle:linux:freeradius-python, p-cpe:/a:oracle:linux:freeradius-sqlite

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

Exploit Ease: No known exploits are available

Patch Publication Date: 8/9/2017

Vulnerability Publication Date: 7/17/2017

Reference Information

CVE: CVE-2017-10978, CVE-2017-10983, CVE-2017-10984, CVE-2017-10985, CVE-2017-10986, CVE-2017-10987

RHSA: 2017:2389

Detections

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