National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2013-1821 Detail

Current 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.

Source:  MITRE
View Analysis Description

Impact

CVSS v2.0 Severity and Metrics:

Base Score: 5.0 MEDIUM
Vector: (AV:N/AC:L/Au:N/C:N/I:N/A:P) (V2 legend)
Impact Subscore: 2.9
Exploitability Subscore: 10.0


Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (AU): None
Confidentiality (C): None
Integrity (I): None
Availability (A): Partial
Additional Information:
Allows disruption of service

Evaluator Impact

Per: http://www.ruby-lang.org/en/news/2013/02/22/rexml-dos-2013-02-22/ "Affected versions All ruby 1.9 versions prior to ruby 1.9.3 patchlevel 392 All ruby 2.0 versions prior to ruby 2.0.0 patchlevel 0 prior to trunk revision 39384"

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=702525
http://lists.opensuse.org/opensuse-security-announce/2013-04/msg00001.html
http://lists.opensuse.org/opensuse-security-announce/2013-04/msg00015.html
http://lists.opensuse.org/opensuse-updates/2013-04/msg00034.html
http://lists.opensuse.org/opensuse-updates/2013-04/msg00036.html
http://rhn.redhat.com/errata/RHSA-2013-0611.html
http://rhn.redhat.com/errata/RHSA-2013-0612.html
http://rhn.redhat.com/errata/RHSA-2013-1028.html
http://rhn.redhat.com/errata/RHSA-2013-1147.html
http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=39384
http://www.debian.org/security/2013/dsa-2738
http://www.debian.org/security/2013/dsa-2809
http://www.mandriva.com/security/advisories?name=MDVSA-2013:124
http://www.openwall.com/lists/oss-security/2013/03/06/5
http://www.oracle.com/technetwork/topics/security/bulletinjul2015-2511963.html
http://www.ruby-lang.org/en/news/2013/02/22/rexml-dos-2013-02-22/ Vendor Advisory
http://www.securityfocus.com/bid/58141
http://www.slackware.com/security/viewer.php?l=slackware-security&y=2013&m=slackware-security.426862
http://www.ubuntu.com/usn/USN-1780-1
https://bugzilla.redhat.com/show_bug.cgi?id=914716
https://wiki.mageia.org/en/Support/Advisories/MGASA-2013-0092

Technical Details

Vulnerability Type (View All)

  • Improper Input Validation (CWE-20)

Known Affected Software Configurations Switch to CPE 2.2

Configuration 1 ( hide )
 cpe:2.3:a:ruby-lang:ruby:1.9:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:ruby-lang:ruby:1.9.1:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:ruby-lang:ruby:1.9.2:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:ruby-lang:ruby:1.9.3:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:ruby-lang:ruby:1.9.3:p0:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:ruby-lang:ruby:1.9.3:p125:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:ruby-lang:ruby:1.9.3:p194:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:ruby-lang:ruby:1.9.3:p286:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:ruby-lang:ruby:1.9.3:p383:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:ruby-lang:ruby:*:p385:*:*:*:*:*:*
     Show Matching CPE(s)
Up to (including)
1.9.3

Configuration 2 ( hide )
 cpe:2.3:a:ruby-lang:ruby:2.0:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:ruby-lang:ruby:2.0.0:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:ruby-lang:ruby:2.0.0:rc1:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:ruby-lang:ruby:2.0.0:rc2:*:*:*:*:*:*
     Show Matching CPE(s)


Change History

4 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2013-1821
NVD Published Date:
04/09/2013
NVD Last Modified:
12/07/2016