Detections
Analytics
CentOS 7 : ruby (CESA-2014:1912)
medium Nessus Plugin ID 79643
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Synopsis
The remote CentOS host is missing one or more security updates.Description
Updated ruby packages that fix three security issues are now available for Red Hat Enterprise Linux 7.Red Hat Product Security has rated this update as having Moderate security impact. Common Vulnerability Scoring System (CVSS) base scores, which give detailed severity ratings, are available for each vulnerability from the CVE links 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.
Multiple denial of service flaws were found in the way the Ruby REXML XML parser performed expansion of parameter entities. A specially crafted XML document could cause REXML to use an excessive amount of CPU and memory. (CVE-2014-8080, CVE-2014-8090)
A stack-based buffer overflow was found in the implementation of the Ruby Array pack() method. When performing base64 encoding, a single byte could be written past the end of the buffer, possibly causing Ruby to crash. (CVE-2014-4975)
The CVE-2014-8090 issue was discovered by Red Hat Product Security.
All ruby users are advised to upgrade to these updated packages, which contain backported patches to correct these issues. All running instances of Ruby need to be restarted for this update to take effect.
Solution
Update the affected ruby packages.See Also
Plugin Details
Severity: Medium
ID: 79643
File Name: centos_RHSA-2014-1912.nasl
Version: 1.12
Type: local
Agent: unix
Family: CentOS Local Security Checks
Published: 12/2/2014
Updated: 1/4/2021
Supported Sensors: Agentless Assessment, Continuous Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus
Risk Information
VPR
Risk Factor: Medium
Score: 4.4
CVSS v2
Risk Factor: Medium
Base Score: 5
Temporal Score: 3.7
Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:N/A:N
CVSS Score Source: CVE-2014-4975
Vulnerability Information
CPE: p-cpe:/a:centos:centos:rubygem-rdoc, cpe:/o:centos:centos:7, p-cpe:/a:centos:centos:ruby-devel, p-cpe:/a:centos:centos:ruby-libs, p-cpe:/a:centos:centos:rubygems, p-cpe:/a:centos:centos:ruby-doc, p-cpe:/a:centos:centos:rubygem-json, p-cpe:/a:centos:centos:ruby-irb, p-cpe:/a:centos:centos:rubygem-minitest, p-cpe:/a:centos:centos:rubygem-rake, p-cpe:/a:centos:centos:rubygem-io-console, p-cpe:/a:centos:centos:ruby-tcltk, p-cpe:/a:centos:centos:rubygem-psych, p-cpe:/a:centos:centos:rubygem-bigdecimal, p-cpe:/a:centos:centos:ruby, p-cpe:/a:centos:centos:rubygems-devel
Required KB Items: Host/local_checks_enabled, Host/CentOS/release, Host/CentOS/rpm-list
Exploit Ease: No known exploits are available
Patch Publication Date: 12/1/2014
Vulnerability Publication Date: 11/3/2014
Reference Information
CVE: CVE-2014-4975, CVE-2014-8080, CVE-2014-8090
RHSA: 2014:1912