Amazon Linux AMI : kernel (ALAS-2018-1087)

High Nessus Plugin ID 117924

Synopsis

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

Description

NOTE: CVE-2018-14634 was already fixed in the 4.14 kernel released
with the 2018.03 AMI release. The advisory release date does not
accurately reflect the date this was fixed. The actual date of the fix
being released is: 2018-04-23.

An integer overflow flaw was found in the Linux kernel's
create_elf_tables() function. An unprivileged local user with access
to SUID (or otherwise privileged) binary could use this flaw to
escalate their privileges on the system. This issue has been give the
code name Mutagen Astronomy.(CVE-2018-14634)

Solution

If you are already running a 4.14 kernel, no action is required.

If you are running an older kernel, run 'yum update kernel' and reboot
your instance to update your system.

See Also

https://alas.aws.amazon.com/ALAS-2018-1087.html

Plugin Details

Severity: High

ID: 117924

File Name: ala_ALAS-2018-1087.nasl

Version: 1.2

Type: local

Agent: unix

Published: 2018/10/05

Modified: 2018/11/28

Dependencies: 12634

Risk Information

Risk Factor: High

CVSS v2.0

Base Score: 7.2

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

CVSS v3.0

Base Score: 7.8

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

Vulnerability Information

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

Patch Publication Date: 2018/10/04

Reference Information

CVE: CVE-2018-14634

ALAS: 2018-1087