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Amazon Linux AMI : pcre (ALAS-2018-1076)

critical Nessus Plugin ID 117348

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Synopsis

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

Description

The compile_branch function in pcre_compile.c in PCRE 8.x and pcre2_compile.c in PCRE2 mishandles patterns containing an (*ACCEPT) substring in conjunction with nested parentheses, which allows remote attackers to execute arbitrary code or cause a denial of service (stack-based buffer overflow) via a crafted regular expression, as demonstrated by a JavaScript RegExp object encountered by Konqueror, aka ZDI-CAN-3542.(CVE-2016-3191)

Solution

Run 'yum update pcre' to update your system.

See Also

https://alas.aws.amazon.com/ALAS-2018-1076.html

Plugin Details

Severity: Critical

ID: 117348

File Name: ala_ALAS-2018-1076.nasl

Version: 1.1

Type: local

Agent: unix

Published: 9/7/2018

Updated: 9/7/2018

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

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: High

Base Score: 7.5

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

CVSS v3

Risk Factor: Critical

Base Score: 9.8

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

Vulnerability Information

CPE: p-cpe:/a:amazon:linux:pcre, p-cpe:/a:amazon:linux:pcre-debuginfo, p-cpe:/a:amazon:linux:pcre-devel, p-cpe:/a:amazon:linux:pcre-static, p-cpe:/a:amazon:linux:pcre-tools, cpe:/o:amazon:linux

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

Patch Publication Date: 9/5/2018

Reference Information

CVE: CVE-2016-3191

ALAS: 2018-1076