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Vulnerability Details : CVE-2013-1821

lib/rexml/text.rb in the REXML parser in Ruby before 1.9.3-p392 allows remote attackers to cause a denial of service (memory consumption and crash) via crafted text nodes in an XML document, aka an XML Entity Expansion (XEE) attack.
Publish Date : 2013-04-09 Last Update Date : 2016-12-07
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- CVSS Scores & Vulnerability Types

CVSS Score
Confidentiality Impact None (There is no impact to the confidentiality of the system.)
Integrity Impact None (There is no impact to the integrity of the system)
Availability Impact Partial (There is reduced performance or interruptions in resource availability.)
Access Complexity Low (Specialized access conditions or extenuating circumstances do not exist. Very little knowledge or skill is required to exploit. )
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s) Denial Of Service

- Related OVAL Definitions

Title Definition Id Class Family
DEPRECATED: ELSA-2013-0612 -- ruby security update (moderate) oval:org.mitre.oval:def:26833 unix
DEPRECATED: ELSA-2013-0611 -- ruby security update (moderate) oval:org.mitre.oval:def:27487 unix
DSA-2738-1 ruby1.9.1 - several oval:org.mitre.oval:def:18691 unix
DSA-2809-1 ruby1.8 - several oval:org.mitre.oval:def:19939 unix
ELSA-2013:0611: ruby security update (Moderate) oval:org.mitre.oval:def:23161 unix
ELSA-2013:0612: ruby security update (Moderate) oval:org.mitre.oval:def:23823 unix
RHSA-2013:0611: ruby security update (Moderate) oval:org.mitre.oval:def:20774 unix
RHSA-2013:0611: ruby security update (Moderate) oval:com.redhat.rhsa:def:20130611 unix
RHSA-2013:0612: ruby security update (Moderate) oval:org.mitre.oval:def:20593 unix
RHSA-2013:0612: ruby security update (Moderate) oval:com.redhat.rhsa:def:20130612 unix
SUSE-SU-2014:0689-1 -- Security update for Ruby oval:org.mitre.oval:def:24992 unix
SUSE-SU-2014:0844-1 -- Security update for ruby oval:org.mitre.oval:def:26239 unix
SUSE-SU-2014:0843-1 -- Security update for ruby oval:org.mitre.oval:def:26038 unix
OVAL (Open Vulnerability and Assessment Language) definitions define exactly what should be done to verify a vulnerability or a missing patch. Check out the OVAL definitions if you want to learn what you should do to verify a vulnerability.

- Products Affected By CVE-2013-1821

# Product Type Vendor Product Version Update Edition Language
1 Application Ruby-lang Ruby 1.9 Version Details Vulnerabilities
2 Application Ruby-lang Ruby 1.9.1 Version Details Vulnerabilities
3 Application Ruby-lang Ruby 1.9.2 Version Details Vulnerabilities
4 Application Ruby-lang Ruby 1.9.3 P0 Version Details Vulnerabilities
5 Application Ruby-lang Ruby 1.9.3 P385 Version Details Vulnerabilities
6 Application Ruby-lang Ruby 1.9.3 Version Details Vulnerabilities
7 Application Ruby-lang Ruby 1.9.3 P383 Version Details Vulnerabilities
8 Application Ruby-lang Ruby 1.9.3 P286 Version Details Vulnerabilities
9 Application Ruby-lang Ruby 1.9.3 P194 Version Details Vulnerabilities
10 Application Ruby-lang Ruby 1.9.3 P125 Version Details Vulnerabilities
11 Application Ruby-lang Ruby 2.0 Version Details Vulnerabilities
12 Application Ruby-lang Ruby 2.0.0 Version Details Vulnerabilities
13 Application Ruby-lang Ruby 2.0.0 RC2 Version Details Vulnerabilities
14 Application Ruby-lang Ruby 2.0.0 RC1 Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Ruby-lang Ruby 14

- References For CVE-2013-1821
BID 58141 Ruby REXML Parser Denial of Service Vulnerability Release Date:2015-08-21
SLACKWARE SSA:2013-075-01
MLIST [oss-security] 20130306 CVE for Ruby Entity expansion DoS vulnerability in REXML (XML bomb)
REDHAT RHSA-2013:1028
REDHAT RHSA-2013:1147
SUSE SUSE-SU-2013:0647
REDHAT RHSA-2013:0611
SUSE openSUSE-SU-2013:0614
SUSE openSUSE-SU-2013:0603

- Metasploit Modules Related To CVE-2013-1821

There are not any metasploit modules related to this CVE entry (Please visit for more information)

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