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CVE-2008-3657

7.5 · HIGH

The dl module in Ruby 1.8.5 and earlier, 1.8.6 through 1.8.6-p286, 1.8.7 through 1.8.7-p71, and 1.9 through r18423 does not check "taintness" of inputs, which allows context-dependent attackers to…

Published Aug 13, 2008ruby-langCWE-20EPSS 13.67%

Overview

CVE-2008-3657 is a high-severity vulnerability affecting ruby-lang ruby. It was published on August 13, 2008 and has a CVSS 2.0 base score of 7.5 (HIGH).

This vulnerability has a CVSS 2.0 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

The dl module in Ruby 1.8.5 and earlier, 1.8.6 through 1.8.6-p286, 1.8.7 through 1.8.7-p71, and 1.9 through r18423 does not check "taintness" of inputs, which allows context-dependent attackers to bypass safe levels and execute dangerous functions by accessing a library using DL.dlopen.

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
ruby-langruby0Affected

References

Refbugs.debian.org/cgi-bin/bugreport.cgi?bug=494401Reflists.apple.com/archives/security-announce/2009/May/msg00002.htmlRefsecunia.com/advisories/31430Refsecunia.com/advisories/31697Refsecunia.com/advisories/32165Refsecunia.com/advisories/32219Refsecunia.com/advisories/32255Refsecunia.com/advisories/32256Refsecunia.com/advisories/32371Refsecunia.com/advisories/33178

How CyberStrike helps

Frequently asked questions

What is CVE-2008-3657?

CVE-2008-3657 is a high-severity vulnerability affecting ruby-lang ruby. It was published on August 13, 2008 and has a CVSS 2.0 base score of 7.5 (HIGH).

How severe is CVE-2008-3657?

This vulnerability has a CVSS 2.0 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2008-3657?

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-2008-3657?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2008-3657 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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