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Amazon Linux AMI : kernel Privilege Escalation (ALAS-2013-190)

high Nessus Plugin ID 73126

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Synopsis

The remote Amazon Linux AMI host is missing a security update.

Description

A flaw was found in the way index into perf_swevent_enabled array was sanitized. A local, unprivileged user could leverage this flaw to gain elevated privileges on the system.

Solution

Run 'yum update kernel' to update the system. A reboot will be necessary for the new kernel to be loaded.

See Also

http://www.nessus.org/u?fa2ce384

Plugin Details

Severity: High

ID: 73126

File Name: ala_ALAS-2013-190.nasl

Version: 1.2

Type: local

Agent: unix

Published: 3/20/2014

Updated: 9/16/2022

Supported Sensors: Agentless Assessment, Continuous Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Critical

Score: 9.6

CVSS v2

Risk Factor: High

Base Score: 7.2

Temporal Score: 6.3

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

Vulnerability Information

CPE: p-cpe:/a:amazon:linux:kernel-tools-debuginfo, p-cpe:/a:amazon:linux:kernel-tools, p-cpe:/a:amazon:linux:kernel-devel, p-cpe:/a:amazon:linux:kernel, p-cpe:/a:amazon:linux:kernel-debuginfo, p-cpe:/a:amazon:linux:kernel-headers, p-cpe:/a:amazon:linux:kernel-debuginfo-common-i686, p-cpe:/a:amazon:linux:kernel-debuginfo-common-x86_64, cpe:/o:amazon:linux

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 5/14/2013

CISA Known Exploited Vulnerability Due Dates: 10/6/2022

Exploitable With

CANVAS (CANVAS)

Core Impact

Reference Information

CVE: CVE-2013-2094

BID: 59846

ALAS: 2013-190

CERT: 774103