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Amazon Linux AMI : python26 (ALAS-2015-621)

critical Nessus Plugin ID 87347

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Synopsis

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

Description

An integer overflow flaw was found in the way the buffer() function handled its offset and size arguments. An attacker able to control those arguments could use this flaw to disclose portions of the application memory or cause it to crash.

It was discovered that multiple Python standard library modules implementing network protocols (such as httplib or smtplib) failed to restrict sizes of server responses. A malicious server could cause a client using one of the affected modules to consume an excessive amount of memory.

It was discovered that the CGIHTTPServer module incorrectly handled URL encoded paths. A remote attacker could use this flaw to execute scripts outside of the cgi-bin directory, or disclose source of scripts in the cgi-bin directory.

Solution

Run 'yum update python26' to update your system.

See Also

https://alas.aws.amazon.com/ALAS-2015-621.html

Plugin Details

Severity: Critical

ID: 87347

File Name: ala_ALAS-2015-621.nasl

Version: 2.3

Type: local

Agent: unix

Published: 12/15/2015

Updated: 2/27/2020

Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, 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:python26, p-cpe:/a:amazon:linux:python26-debuginfo, p-cpe:/a:amazon:linux:python26-devel, p-cpe:/a:amazon:linux:python26-libs, p-cpe:/a:amazon:linux:python26-test, p-cpe:/a:amazon:linux:python26-tools, cpe:/o:amazon:linux

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

Patch Publication Date: 12/13/2015

Vulnerability Publication Date: 10/8/2014

Reference Information

CVE: CVE-2013-1752, CVE-2014-4650, CVE-2014-7185

ALAS: 2015-621