Amazon Linux AMI : samba (ALAS-2016-674)

medium Nessus Plugin ID 90267

Synopsis

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

Description

A flaw was found in the way Samba handled ACLs on symbolic links. An authenticated user could use this flaw to gain access to an arbitrary file or directory by overwriting its ACL.

Solution

Run 'yum update samba' to update your system.

See Also

https://alas.aws.amazon.com/ALAS-2016-674.html

Plugin Details

Severity: Medium

ID: 90267

File Name: ala_ALAS-2016-674.nasl

Version: 2.4

Type: local

Agent: unix

Published: 4/1/2016

Updated: 4/18/2018

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

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Medium

Base Score: 4

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

CVSS v3

Risk Factor: Medium

Base Score: 6.5

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

Vulnerability Information

CPE: p-cpe:/a:amazon:linux:samba-client-libs, p-cpe:/a:amazon:linux:ctdb, p-cpe:/a:amazon:linux:ctdb-devel, p-cpe:/a:amazon:linux:ctdb-tests, p-cpe:/a:amazon:linux:libsmbclient, p-cpe:/a:amazon:linux:libsmbclient-devel, p-cpe:/a:amazon:linux:libwbclient, p-cpe:/a:amazon:linux:libwbclient-devel, p-cpe:/a:amazon:linux:samba-common, p-cpe:/a:amazon:linux:samba-common-libs, p-cpe:/a:amazon:linux:samba-common-tools, p-cpe:/a:amazon:linux:samba-debuginfo, p-cpe:/a:amazon:linux:samba-devel, p-cpe:/a:amazon:linux:samba-libs, p-cpe:/a:amazon:linux:samba-pidl, p-cpe:/a:amazon:linux:samba-python, p-cpe:/a:amazon:linux:samba-test, p-cpe:/a:amazon:linux:samba-test-devel, p-cpe:/a:amazon:linux:samba-test-libs, p-cpe:/a:amazon:linux:samba-winbind, p-cpe:/a:amazon:linux:samba-winbind-clients, p-cpe:/a:amazon:linux:samba-winbind-krb5-locator, p-cpe:/a:amazon:linux:samba-winbind-modules, cpe:/o:amazon:linux, p-cpe:/a:amazon:linux:samba, p-cpe:/a:amazon:linux:samba-client

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

Patch Publication Date: 3/29/2016

Reference Information

CVE: CVE-2015-7560

ALAS: 2016-674