Amazon Linux AMI : php55 (ALAS-2014-342)

medium Nessus Plugin ID 78285

Synopsis

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

Description

The BEGIN regular expression in the awk script detector in magic/Magdir/commands in file before 5.15 uses multiple wildcards with unlimited repetitions, which allows context-dependent attackers to cause a denial of service (CPU consumption) via a crafted ASCII file that triggers a large amount of backtracking, as demonstrated via a file with many newline characters.

Solution

Run 'yum update php55' to update your system.

See Also

https://alas.aws.amazon.com/ALAS-2014-342.html

Plugin Details

Severity: Medium

ID: 78285

File Name: ala_ALAS-2014-342.nasl

Version: 1.3

Type: local

Agent: unix

Published: 10/12/2014

Updated: 4/18/2018

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

Risk Information

VPR

Risk Factor: Medium

Score: 4.2

CVSS v2

Risk Factor: Medium

Base Score: 5

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

Vulnerability Information

CPE: p-cpe:/a:amazon:linux:php55, p-cpe:/a:amazon:linux:php55-bcmath, p-cpe:/a:amazon:linux:php55-cli, p-cpe:/a:amazon:linux:php55-common, p-cpe:/a:amazon:linux:php55-dba, p-cpe:/a:amazon:linux:php55-debuginfo, p-cpe:/a:amazon:linux:php55-devel, p-cpe:/a:amazon:linux:php55-embedded, p-cpe:/a:amazon:linux:php55-enchant, p-cpe:/a:amazon:linux:php55-fpm, p-cpe:/a:amazon:linux:php55-gd, p-cpe:/a:amazon:linux:php55-gmp, p-cpe:/a:amazon:linux:php55-imap, p-cpe:/a:amazon:linux:php55-intl, p-cpe:/a:amazon:linux:php55-ldap, p-cpe:/a:amazon:linux:php55-mbstring, p-cpe:/a:amazon:linux:php55-mcrypt, p-cpe:/a:amazon:linux:php55-mssql, p-cpe:/a:amazon:linux:php55-mysqlnd, p-cpe:/a:amazon:linux:php55-odbc, p-cpe:/a:amazon:linux:php55-opcache, p-cpe:/a:amazon:linux:php55-pdo, p-cpe:/a:amazon:linux:php55-pgsql, p-cpe:/a:amazon:linux:php55-process, p-cpe:/a:amazon:linux:php55-pspell, p-cpe:/a:amazon:linux:php55-recode, p-cpe:/a:amazon:linux:php55-snmp, p-cpe:/a:amazon:linux:php55-soap, p-cpe:/a:amazon:linux:php55-tidy, p-cpe:/a:amazon:linux:php55-xml, p-cpe:/a:amazon:linux:php55-xmlrpc, cpe:/o:amazon:linux

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

Patch Publication Date: 5/21/2014

Reference Information

CVE: CVE-2013-7345

ALAS: 2014-342