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Amazon Linux AMI : python27 (ALAS-2018-945)

critical Nessus Plugin ID 106690

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Synopsis

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

Description

Integer overflow in PyString_DecodeEscape results in heap-base buffer overflow

CPython (aka Python) is vulnerable to an integer overflow in the PyString_DecodeEscape function in stringobject.c, resulting in heap-based buffer overflow (and possible arbitrary code execution) (CVE-2017-1000158)

Solution

Run 'yum update python27' to update your system.

See Also

https://alas.aws.amazon.com/ALAS-2018-945.html

Plugin Details

Severity: Critical

ID: 106690

File Name: ala_ALAS-2018-945.nasl

Version: 3.2

Type: local

Agent: unix

Published: 2/9/2018

Updated: 4/18/2018

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

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

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:python27-libs, p-cpe:/a:amazon:linux:python27-devel, p-cpe:/a:amazon:linux:python27-test, p-cpe:/a:amazon:linux:python27, p-cpe:/a:amazon:linux:python27-debuginfo, p-cpe:/a:amazon:linux:python27-tools, cpe:/o:amazon:linux

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

Patch Publication Date: 2/7/2018

Reference Information

CVE: CVE-2017-1000158

ALAS: 2018-945