CVE Database


Impact: Moderate
Public: 2013-02-22
Bugzilla: 914716: CVE-2013-1821 ruby: entity expansion DoS vulnerability in REXML


The MITRE CVE dictionary describes this issue as:

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.

Find out more about CVE-2013-1821 from the MITRE CVE dictionary and NIST NVD.

CVSS v2 metrics

Base Score: 4.3
Base Metrics: AV:N/AC:M/Au:N/C:N/I:N/A:P
Access Vector: Network
Access Complexity: Medium
Authentication: None
Confidentiality Impact: None
Integrity Impact: None
Availability Impact: Partial

Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).

Red Hat security errata

Platform Errata Release Date
Fuse ESB Enterprise 7.1.0 RHSA-2013:1028 July 09, 2013
Red Hat Enterprise Linux version 5 (ruby) RHSA-2013:0611 March 07, 2013
Red Hat Enterprise Linux version 6 (ruby) RHSA-2013:0612 March 07, 2013
Red Hat JBoss Fuse 6.0 RHSA-2013:1185 August 29, 2013
Red Hat JBoss SOA Platform 5.3 RHSA-2013:1147 August 08, 2013

External References

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For clarification or corrections please contact the Red Hat Security Response Team.