CVE-2008-3790

Public Exploit

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."

Category

5.0
CVSS
Severity: Medium
CVSS 2.0 •
EPSS 23.01% Top 5%
Vendor Advisory ubuntu.com Vendor Advisory debian.org Vendor Advisory redhat.com Vendor Advisory debian.org Vendor Advisory apple.com Vendor Advisory redhat.com Vendor Advisory ubuntu.com Vendor Advisory gentoo.org Vendor Advisory redhat.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://usn.ubuntu.com/651-1/ vendor advisory
http://secunia.com/advisories/33185 third party advisory
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10393 vdb entry signature
http://support.apple.com/kb/HT3549
http://www.ruby-lang.org/security/20080823rexml/rexml-expansion-fix.rb patch
http://www.securitytracker.com/id?1020735 vdb entry
http://www.debian.org/security/2008/dsa-1652 vendor advisory
https://www.redhat.com/archives/fedora-package-announce/2008-October/msg00299.html vendor advisory
http://www.vupen.com/english/advisories/2008/2428 vdb entry
https://exchange.xforce.ibmcloud.com/vulnerabilities/44628 vdb entry
http://secunia.com/advisories/35074 third party advisory
http://www.openwall.com/lists/oss-security/2008/08/26/4 mailing list
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 vendor advisory
http://lists.apple.com/archives/security-announce/2009/May/msg00002.html vendor advisory
http://www.ruby-lang.org/en/news/2008/08/23/dos-vulnerability-in-rexml/ patch exploit
http://www.redhat.com/support/errata/RHSA-2008-0897.html vendor advisory
http://groups.google.com/group/comp.lang.ruby/browse_thread/thread/19f69e8a081fc0d1/e138e014b74352ca
http://www.openwall.com/lists/oss-security/2008/08/25/4 mailing list
http://secunia.com/advisories/32219 third party advisory
http://www.us-cert.gov/cas/techalerts/TA09-133A.html third party advisory us government resource
http://secunia.com/advisories/32255 third party advisory
http://www.vupen.com/english/advisories/2009/1297 vdb entry
http://www.securityfocus.com/bid/30802 vdb entry
https://usn.ubuntu.com/691-1/ vendor advisory
http://www.openwall.com/lists/oss-security/2008/08/26/1 mailing list
http://secunia.com/advisories/32371 third party advisory
http://secunia.com/advisories/32165 third party advisory
http://security.gentoo.org/glsa/glsa-200812-17.xml vendor advisory
http://secunia.com/advisories/33178 third party advisory
https://www.redhat.com/archives/fedora-package-announce/2008-October/msg00259.html vendor advisory
http://secunia.com/advisories/32256 third party advisory
http://secunia.com/advisories/31602 third party advisory
http://www.vupen.com/english/advisories/2008/2483 vdb entry

Frequently Asked Questions

What is the severity of CVE-2008-3790?
CVE-2008-3790 has been scored as a medium severity vulnerability.
How to fix CVE-2008-3790?
To fix CVE-2008-3790, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2008-3790 being actively exploited in the wild?
It is possible that CVE-2008-3790 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~23% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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