The REXML module in Ruby 1.8.6 through 1.8.6-p287, 1.8.7 through...
Vulnerability Description
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."
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
Am I Vulnerable?
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Credits & Attribution
No credits recorded in the NVD database.
References
- https://usn.ubuntu.com/651-1/
- http://secunia.com/advisories/33185
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10393
- http://support.apple.com/kb/HT3549
- http://www.ruby-lang.org/security/20080823rexml/rexml-expansion-fix.rb
- http://www.securitytracker.com/id?1020735
- http://www.debian.org/security/2008/dsa-1652
- https://www.redhat.com/archives/fedora-package-announce/2008-October/msg00299.html
- http://www.vupen.com/english/advisories/2008/2428
- https://exchange.xforce.ibmcloud.com/vulnerabilities/44628
- http://secunia.com/advisories/35074
- http://www.openwall.com/lists/oss-security/2008/08/26/4
- http://weblog.rubyonrails.org/2008/9/3/rails-2-0-4-maintenance-release
- http://support.avaya.com/elmodocs2/security/ASA-2008-424.htm
- http://www.debian.org/security/2008/dsa-1651
- http://lists.apple.com/archives/security-announce/2009/May/msg00002.html
- http://www.ruby-lang.org/en/news/2008/08/23/dos-vulnerability-in-rexml/
- http://www.redhat.com/support/errata/RHSA-2008-0897.html
- http://groups.google.com/group/comp.lang.ruby/browse_thread/thread/19f69e8a081fc0d1/e138e014b74352ca
- http://www.openwall.com/lists/oss-security/2008/08/25/4
- http://secunia.com/advisories/32219
- http://www.us-cert.gov/cas/techalerts/TA09-133A.html
- http://secunia.com/advisories/32255
- http://www.vupen.com/english/advisories/2009/1297
- http://www.securityfocus.com/bid/30802
- https://usn.ubuntu.com/691-1/
- http://www.openwall.com/lists/oss-security/2008/08/26/1
- http://secunia.com/advisories/32371
- http://secunia.com/advisories/32165
- http://security.gentoo.org/glsa/glsa-200812-17.xml
- http://secunia.com/advisories/33178
- https://www.redhat.com/archives/fedora-package-announce/2008-October/msg00259.html
- http://secunia.com/advisories/32256
- http://secunia.com/advisories/31602
- http://www.vupen.com/english/advisories/2008/2483
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CVSS Vectors
Weaknesses (CWE)
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MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.