Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2013-1821

Severity CVSS v4.0:
Pending analysis
Type:
CWE-20 Input Validation
Publication date:
09/04/2013
Last modified:
11/04/2025

Description

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.

Impact

Vector 2.0
AV:N/AC:L/Au:N/C:N/I:N/A:P CVSS v2.0 Severity and Metrics:

Base Score: 5.00 MEDIUM
Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P

Attack Vector (AV): Network
Attack Complexity (AC): Low
Authentication (Au): None
Confidentiality (C): None
Integrity (I): None
Availability (A): Physical

Base Score 2.0
5.00
Severity 2.0
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:ruby-lang:ruby:*:p385:*:*:*:*:*:* 1.9.3 (including)
cpe:2.3:a:ruby-lang:ruby:1.9:*:*:*:*:*:*:*
cpe:2.3:a:ruby-lang:ruby:1.9.1:*:*:*:*:*:*:*
cpe:2.3:a:ruby-lang:ruby:1.9.2:*:*:*:*:*:*:*
cpe:2.3:a:ruby-lang:ruby:1.9.3:*:*:*:*:*:*:*
cpe:2.3:a:ruby-lang:ruby:1.9.3:p0:*:*:*:*:*:*
cpe:2.3:a:ruby-lang:ruby:1.9.3:p125:*:*:*:*:*:*
cpe:2.3:a:ruby-lang:ruby:1.9.3:p194:*:*:*:*:*:*
cpe:2.3:a:ruby-lang:ruby:1.9.3:p286:*:*:*:*:*:*
cpe:2.3:a:ruby-lang:ruby:1.9.3:p383:*:*:*:*:*:*
cpe:2.3:a:ruby-lang:ruby:2.0:*:*:*:*:*:*:*
cpe:2.3:a:ruby-lang:ruby:2.0.0:*:*:*:*:*:*:*
cpe:2.3:a:ruby-lang:ruby:2.0.0:rc1:*:*:*:*:*:*
cpe:2.3:a:ruby-lang:ruby:2.0.0:rc2:*:*:*:*:*:*

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools