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CVE-2011-0188

6.8 · MEDIUM

The VpMemAlloc function in bigdecimal.c in the BigDecimal class in Ruby 1.9.2-p136 and earlier, as used on Apple Mac OS X before 10.6.7 and other platforms, does not properly allocate memory, which…

Published Mar 23, 2011ruby-langCWE-189EPSS 3.02%

Overview

CVE-2011-0188 is a medium-severity vulnerability affecting ruby-lang ruby. It was published on March 23, 2011 and has a CVSS 2.0 base score of 6.8 (MEDIUM).

This vulnerability has a CVSS 2.0 base score of 6.8, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

The VpMemAlloc function in bigdecimal.c in the BigDecimal class in Ruby 1.9.2-p136 and earlier, as used on Apple Mac OS X before 10.6.7 and other platforms, does not properly allocate memory, which allows context-dependent attackers to execute arbitrary code or cause a denial of service (application crash) via vectors involving creation of a large BigDecimal value within a 64-bit process, related to an "integer truncation issue."

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

Reflists.apple.com/archives/security-announce/2011/Mar/msg00006.htmlRefsupport.apple.com/kb/HT4581Refsvn.ruby-lang.org/cgi-bin/viewvc.cgi/trunk/ext/bigdecimal/bigdecimal.c?r1=29364&r2=30993Refwww.mandriva.com/security/advisories?name=MDVSA-2011:097Refwww.mandriva.com/security/advisories?name=MDVSA-2011:098Refwww.redhat.com/support/errata/RHSA-2011-0908.htmlRefwww.redhat.com/support/errata/RHSA-2011-0909.htmlRefwww.redhat.com/support/errata/RHSA-2011-0910.htmlRefwww.securitytracker.com/id?1025236Refbugzilla.redhat.com/show_bug.cgi?id=682332

How CyberStrike helps

Frequently asked questions

What is CVE-2011-0188?

CVE-2011-0188 is a medium-severity vulnerability affecting ruby-lang ruby. It was published on March 23, 2011 and has a CVSS 2.0 base score of 6.8 (MEDIUM).

How severe is CVE-2011-0188?

This vulnerability has a CVSS 2.0 base score of 6.8, 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-2011-0188?

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-2011-0188?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2011-0188 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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