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CVE-2009-1904

5.0 · MEDIUM

The BigDecimal library in Ruby 1.8.6 before p369 and 1.8.7 before p173 allows context-dependent attackers to cause a denial of service (application crash) via a string argument that represents a la…

Published Jun 11, 2009ruby-langCWE-189EPSS 12.78%

Overview

CVE-2009-1904 is a medium-severity vulnerability affecting ruby-lang ruby. It was published on June 11, 2009 and has a CVSS 2.0 base score of 5.0 (MEDIUM).

This vulnerability has a CVSS 2.0 base score of 5.0, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

The BigDecimal library in Ruby 1.8.6 before p369 and 1.8.7 before p173 allows context-dependent attackers to cause a denial of service (application crash) via a string argument that represents a large number, as demonstrated by an attempted conversion to the Float data type.

Remediation

Check the references section for vendor advisories and patches from ruby-lang. Update ruby to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected products

VendorProductVersionsStatus

References

Refbugs.debian.org/cgi-bin/bugreport.cgi?bug=532689Refbugs.gentoo.org/show_bug.cgi?id=273213GitHubgithub.com/NZKoz/bigdecimal-segfault-fix/tree/masterRefgroups.google.com/group/rubyonrails-security/msg/fad60751e2b9b4f6?dmode=sourceReflists.apple.com/archives/security-announce/2010//Mar/msg00001.htmlRefmail-index.netbsd.org/pkgsrc-changes/2009/06/10/msg024708.htmlRefosvdb.org/55031Refredmine.ruby-lang.org/issues/show/794Refsecunia.com/advisories/35399Refsecunia.com/advisories/35527

How CyberStrike helps

Frequently asked questions

What is CVE-2009-1904?

CVE-2009-1904 is a medium-severity vulnerability affecting ruby-lang ruby. It was published on June 11, 2009 and has a CVSS 2.0 base score of 5.0 (MEDIUM).

How severe is CVE-2009-1904?

This vulnerability has a CVSS 2.0 base score of 5.0, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2009-1904?

Check the references section for vendor advisories and patches from ruby-lang. Update ruby to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2009-1904?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2009-1904 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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