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Last updated: 12/20/2014 6:33:39 AM

CVE Publication rate: 21.17

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Vulnerability Summary for CVE-2008-2664

Original release date: 06/24/2008
Last revised: 03/07/2011


The rb_str_format function in Ruby 1.8.4 and earlier, 1.8.5 before 1.8.5-p231, 1.8.6 before 1.8.6-p230, 1.8.7 before 1.8.7-p22, and 1.9.0 before 1.9.0-2 allows context-dependent attackers to trigger memory corruption via unspecified vectors related to alloca, a different issue than CVE-2008-2662, CVE-2008-2663, and CVE-2008-2725. NOTE: as of 20080624, there has been inconsistent usage of multiple CVE identifiers related to Ruby. The CVE description should be regarded as authoritative, although it is likely to change.


CVSS Severity (version 2.0):
CVSS v2 Base Score: 7.8 (HIGH) (AV:N/AC:L/Au:N/C:N/I:N/A:C) (legend)
Impact Subscore: 6.9
Exploitability Subscore: 10.0
CVSS Version 2 Metrics:
Access Vector: Network exploitable
Access Complexity: Low
Authentication: Not required to exploit
Impact Type: Allows disruption of service

References to Advisories, Solutions, and Tools

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External Source: SECUNIA
Name: 30894
External Source: SLACKWARE
Name: SSA:2008-179-01
External Source: BID
Name: 29903
External Source: SECUNIA
Name: 31256
External Source: FEDORA
Name: FEDORA-2008-5649
External Source: SECUNIA
Name: 31181
External Source: DEBIAN
Name: DSA-1612
External Source: SECUNIA
Name: 30867
External Source: SECUNIA
Name: 31090
External Source: MISC
Name: http://www.zedshaw.com/rants/the_big_ruby_vulnerabilities.html
External Source: REDHAT
Name: RHSA-2008:0561
External Source: VUPEN
Name: ADV-2008-1981
External Source: UBUNTU
Name: USN-621-1
External Source: MISC
Name: http://www.matasano.com/log/1070/updates-on-drew-yaos-terrible-ruby-vulnerabilities/
External Source: MANDRIVA
Name: MDVSA-2008:140
External Source: MANDRIVA
Name: MDVSA-2008:142
External Source: MANDRIVA
Name: MDVSA-2008:141
External Source: CONFIRM
Name: http://www.ruby-lang.org/en/news/2008/06/20/arbitrary-code-execution-vulnerabilities/
Type: Patch Information
External Source: SECUNIA
Name: 30831
External Source: SECTRACK
Name: 1020347
External Source: APPLE
Name: APPLE-SA-2008-06-30
External Source: BUGTRAQ
Name: 20080626 rPSA-2008-0206-1 ruby
External Source: DEBIAN
Name: DSA-1618
External Source: MISC
Name: http://blog.phusion.nl/2008/06/23/ruby-186-p230187-broke-your-app-ruby-enterprise-edition-to-the-rescue/
External Source: MISC
Name: http://www.rubyinside.com/june-2008-ruby-security-vulnerabilities-927.html
External Source: SECUNIA
Name: 30802
External Source: MISC
Name: http://www.ruby-forum.com/topic/157034
External Source: GENTOO
Name: GLSA-200812-17
External Source: XF
Name: ruby-rbstrformat-code-execution(43348)
External Source: CONFIRM
Name: https://issues.rpath.com/browse/RPL-2626
External Source: OVAL
Name: oval:org.mitre.oval:def:9646
External Source: MISC
Name: http://weblog.rubyonrails.org/2008/6/21/multiple-ruby-security-vulnerabilities
External Source: CONFIRM
Name: http://support.apple.com/kb/HT2163
External Source: SECUNIA
Name: 30875
External Source: SECUNIA
Name: 31062
External Source: CONFIRM
Name: http://wiki.rpath.com/wiki/Advisories:rPSA-2008-0206
External Source: SECUNIA
Name: 33178
External Source: VUPEN
Name: ADV-2008-1907
External Source: SUSE
Name: SUSE-SR:2008:017
External Source: SECUNIA
Name: 31687

References to Check Content

Identifier: oval:org.mitre.oval:def:9646
Check System: http://oval.mitre.org/XMLSchema/oval-definitions-5

Vulnerable software and versions

+ Configuration 1
+ OR
* cpe:/a:ruby-lang:ruby:1.8.5-p230 and previous versions
* cpe:/a:ruby-lang:ruby:1.8.6-p229 and previous versions
* cpe:/a:ruby-lang:ruby:1.8.7-p21 and previous versions
* cpe:/a:ruby-lang:ruby:1.9.0-1 and previous versions

* Denotes Vulnerable Software
Changes related to vulnerability configurations

Technical Details

Vulnerability Type (View All)
  • Resource Management Errors (CWE-399)