CVE-2008-3790: Input Validation
First published: Wed Aug 27 2008(Updated: )
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."
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Ruby | =1.8.6 | |
| Ruby | =1.8.6-p110 | |
| Ruby | =1.8.6-p111 | |
| Ruby | =1.8.6-p114 | |
| Ruby | =1.8.6-p230 | |
| Ruby | =1.8.6-p286 | |
| Ruby | =1.8.6-p287 | |
| Ruby | =1.8.6-p36 | |
| Ruby | =1.8.6-preview1 | |
| Ruby | =1.8.6-preview2 | |
| Ruby | =1.8.6-preview3 | |
| Ruby | =1.8.7 | |
| Ruby | =1.8.7-p17 | |
| Ruby | =1.8.7-p22 | |
| Ruby | =1.8.7-p71 | |
| Ruby | =1.8.7-p72 | |
| Ruby | =1.8.7-preview1 | |
| Ruby | =1.8.7-preview2 | |
| Ruby | =1.8.7-preview3 | |
| Ruby | =1.8.7-preview4 | |
| Ruby | =1.9 |
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Reference Links
- http://groups.google.com/group/comp.lang.ruby/browse_thread/thread/19f69e8a081fc0d1/e138e014b74352ca
- http://lists.apple.com/archives/security-announce/2009/May/msg00002.html
- http://secunia.com/advisories/31602
- http://secunia.com/advisories/32165
- http://secunia.com/advisories/32219
- http://secunia.com/advisories/32255
- http://secunia.com/advisories/32256
- http://secunia.com/advisories/32371
- http://secunia.com/advisories/33178
- http://secunia.com/advisories/33185
- http://secunia.com/advisories/35074
- http://security.gentoo.org/glsa/glsa-200812-17.xml
- http://support.apple.com/kb/HT3549
- http://support.avaya.com/elmodocs2/security/ASA-2008-424.htm
- http://weblog.rubyonrails.org/2008/9/3/rails-2-0-4-maintenance-release
- http://www.debian.org/security/2008/dsa-1651
- http://www.debian.org/security/2008/dsa-1652
- 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
- http://www.redhat.com/support/errata/RHSA-2008-0897.html
- 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
- http://www.securityfocus.com/bid/30802
- http://www.securitytracker.com/id?1020735
- http://www.us-cert.gov/cas/techalerts/TA09-133A.html
- http://www.vupen.com/english/advisories/2008/2428
- http://www.vupen.com/english/advisories/2008/2483
- http://www.vupen.com/english/advisories/2009/1297
- https://exchange.xforce.ibmcloud.com/vulnerabilities/44628
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10393
- https://usn.ubuntu.com/651-1/
- https://usn.ubuntu.com/691-1/
- https://www.redhat.com/archives/fedora-package-announce/2008-October/msg00259.html
- https://www.redhat.com/archives/fedora-package-announce/2008-October/msg00299.html
Frequently Asked Questions
What is the severity of CVE-2008-3790?
CVE-2008-3790 is classified as a denial of service vulnerability due to its potential for causing high CPU usage.
How do I fix CVE-2008-3790?
To fix CVE-2008-3790, you should upgrade to a later version of Ruby that is not affected by this vulnerability.
Which versions of Ruby are affected by CVE-2008-3790?
CVE-2008-3790 affects Ruby versions 1.8.6 through 1.8.6-p287, 1.8.7 through 1.8.7-p72, and 1.9.
What types of attacks are possible with CVE-2008-3790?
CVE-2008-3790 allows for context-dependent attacks that may lead to denial of service via an XML entity explosion.
Can CVE-2008-3790 be exploited remotely?
Yes, CVE-2008-3790 can be exploited by attackers remotely through the submission of specially crafted XML documents.
- agent/type
- agent/remedy
- agent/softwarecombine
- collector/mitre-cve
- source/MITRE
- agent/weakness
- agent/author
- agent/last-modified-date
- agent/severity
- agent/references
- agent/description
- agent/first-publish-date
- agent/event
- agent/source
- agent/tags
- collector/nvd-index
- agent/software-canonical-lookup-request
- collector/nvd-historical
- vendor/ruby-lang
- canonical/ruby
- version/ruby/1.8.6
- version/ruby/1.8.6-p110
- version/ruby/1.8.6-p111
- version/ruby/1.8.6-p114
- version/ruby/1.8.6-p230
- version/ruby/1.8.6-p286
- version/ruby/1.8.6-p287
- version/ruby/1.8.6-p36
- version/ruby/1.8.6-preview1
- version/ruby/1.8.6-preview2
- version/ruby/1.8.6-preview3
- version/ruby/1.8.7
- version/ruby/1.8.7-p17
- version/ruby/1.8.7-p22
- version/ruby/1.8.7-p71
- version/ruby/1.8.7-p72
- version/ruby/1.8.7-preview1
- version/ruby/1.8.7-preview2
- version/ruby/1.8.7-preview3
- version/ruby/1.8.7-preview4
- version/ruby/1.9