Scientific Linux Security Update : ruby on SL5.x i386/x86_64 (20130307)

medium Nessus Plugin ID 65093

Synopsis

The remote Scientific Linux host is missing one or more security updates.

Description

It was discovered that Ruby's REXML library did not properly restrict XML entity expansion. An attacker could use this flaw to cause a denial of service by tricking a Ruby application using REXML to read text nodes from specially crafted XML content, which will result in REXML consuming large amounts of system memory. (CVE-2013-1821)

Solution

Update the affected packages.

See Also

http://www.nessus.org/u?36a0cc7c

Plugin Details

Severity: Medium

ID: 65093

File Name: sl_20130307_ruby_on_SL5_x.nasl

Version: 1.7

Type: local

Agent: unix

Published: 3/8/2013

Updated: 1/14/2021

Supported Sensors: Nessus Agent

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Medium

Base Score: 5

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

Vulnerability Information

CPE: p-cpe:/a:fermilab:scientific_linux:ruby, p-cpe:/a:fermilab:scientific_linux:ruby-debuginfo, p-cpe:/a:fermilab:scientific_linux:ruby-devel, p-cpe:/a:fermilab:scientific_linux:ruby-docs, p-cpe:/a:fermilab:scientific_linux:ruby-irb, p-cpe:/a:fermilab:scientific_linux:ruby-libs, p-cpe:/a:fermilab:scientific_linux:ruby-mode, p-cpe:/a:fermilab:scientific_linux:ruby-rdoc, p-cpe:/a:fermilab:scientific_linux:ruby-ri, p-cpe:/a:fermilab:scientific_linux:ruby-tcltk, x-cpe:/o:fermilab:scientific_linux

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

Patch Publication Date: 3/7/2013

Vulnerability Publication Date: 4/9/2013

Reference Information

CVE: CVE-2013-1821