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Public Date:
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 dictionary and NIST NVD.

CVSS v2 metrics

NOTE: The following CVSS v2 metrics and score provided are preliminary and subject to review.

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
Red Hat JBoss Fuse 6.0 RHSA-2013:1185 2013-08-29
Red Hat Enterprise Linux 5 (ruby) RHSA-2013:0611 2013-03-07
Red Hat JBoss SOA Platform 5.3 RHSA-2013:1147 2013-08-08
Fuse ESB Enterprise 7.1.0 RHSA-2013:1028 2013-07-09
Red Hat Enterprise Linux 6 (ruby) RHSA-2013:0612 2013-03-07

External References