47753 : Ruby REXML Library Crafted XML Document Handling DoS
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Timeline

Disclosure Date
2008-08-25

Description

<em style='font-weight:bold;'>(Description Provided by <a href="http://cve.mitre.org/cgi-bin/cvename.cgi?name=2008-3790" target="_blank">CVE</a>)</em> : The REXML module in Ruby 1.8.6 through 1.8.6-p287, 1.8.7 through 1.8.7-p72, and 1.9 allows context-dependent attackers to cause a denial of service (CPU consumption) via an XML document with recursively nested entities, aka an "XML entity explosion."

Classification

Attack Type: Denial of Service
Impact: Loss of Availability
Solution: Workaround
Disclosure: Vendor Verified

Products

Unknown or Incomplete

References

CVE ID: 2008-3790 (see also: NVD)
Secunia Advisory ID: 31602 31723 32165 32219 32255 32256 32371 33178 33185 34882 35074
SCIP VulDB ID: 3810
Other Advisory URL: http://groups.google.com/group/comp.lang.ruby/browse_thread/thread/19f69e8a081fc0d1/e138e014b74352ca
http://weblog.rubyonrails.org/2008/9/3/rails-2-0-4-maintenance-release
http://www.ubuntu.com/usn/USN-691-1
Vendor Specific News/Changelog Entry: http://slackware.com/security/viewer.php?l=slackware-security&y=2009&m=slackware-security.402772
http://www.gentoo.org/security/en/glsa/glsa-200812-17.xml
http://www.ruby-lang.org/en/news/2008/08/23/dos-vulnerability-in-rexml/
http://www.ruby-lang.org/security/20080823rexml/rexml-expansion-fix.rb
Vendor Specific Advisory URL: http://support.apple.com/kb/HT1222
http://www.us.debian.org/security/2008/dsa-1651
http://www.us.debian.org/security/2008/dsa-1652
https://www.redhat.com/archives/fedora-package-announce/2008-October/msg00259.html
https://www.redhat.com/archives/fedora-package-announce/2008-October/msg00299.html
Mail List Post: http://www.openwall.com/lists/oss-security/2008/08/25/4
http://www.openwall.com/lists/oss-security/2008/08/26/1
http://www.openwall.com/lists/oss-security/2008/08/26/4
https://lists.ubuntu.com/archives/ubuntu-security-announce/2008-October/000759.html
RedHat RHSA: https://rhn.redhat.com/errata/RHSA-2008-0897.html

Tools & Filters

	38743 38744
	5023

Credit

Unknown or Incomplete

CVSSv2 Score

CVSSv2 Base Score = 5.0
Source: nvd.nist.gov | Generated: 2008-08-28 | Disagree?

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