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RHEL 6 : ruby (RHSA-2013:1767)

medium Nessus Plugin ID 78982

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Synopsis

The remote Red Hat host is missing one or more security updates.

Description

Updated ruby packages that fix one security issue are now available for Red Hat Enterprise Linux 6.2, 6.3, and 6.4 Extended Update Support.

The Red Hat Security Response Team has rated this update as having critical security impact. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available from the CVE link in the References section.

Ruby is an extensible, interpreted, object-oriented, scripting language. It has features to process text files and to perform system management tasks.

A buffer overflow flaw was found in the way Ruby parsed floating point numbers from their text representation. If an application using Ruby accepted untrusted input strings and converted them to floating point numbers, an attacker able to provide such input could cause the application to crash or, possibly, execute arbitrary code with the privileges of the application. (CVE-2013-4164)

All ruby users are advised to upgrade to these updated packages, which contain a backported patch to correct this issue.

Solution

Update the affected packages.

See Also

https://access.redhat.com/errata/RHSA-2013:1767

https://access.redhat.com/security/cve/cve-2013-4164

Plugin Details

Severity: Medium

ID: 78982

File Name: redhat-RHSA-2013-1767.nasl

Version: 1.12

Type: local

Agent: unix

Published: 11/8/2014

Updated: 1/14/2021

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

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5

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

Vulnerability Information

CPE: p-cpe:/a:redhat:enterprise_linux:ruby-irb, p-cpe:/a:redhat:enterprise_linux:ruby-libs, p-cpe:/a:redhat:enterprise_linux:ruby-static, p-cpe:/a:redhat:enterprise_linux:ruby-docs, p-cpe:/a:redhat:enterprise_linux:ruby-tcltk, cpe:/o:redhat:enterprise_linux:6.3, cpe:/o:redhat:enterprise_linux:6, p-cpe:/a:redhat:enterprise_linux:ruby-ri, p-cpe:/a:redhat:enterprise_linux:ruby, p-cpe:/a:redhat:enterprise_linux:ruby-debuginfo, p-cpe:/a:redhat:enterprise_linux:ruby-devel, cpe:/o:redhat:enterprise_linux:6.2, cpe:/o:redhat:enterprise_linux:6.4, p-cpe:/a:redhat:enterprise_linux:ruby-rdoc

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

Exploit Ease: No known exploits are available

Patch Publication Date: 11/26/2013

Vulnerability Publication Date: 11/23/2013

Reference Information

CVE: CVE-2013-4164

BID: 63873

RHSA: 2013:1767