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CVE-2013-1802

7.5 · HIGH

The extlib gem 0.9.15 and earlier for Ruby does not properly restrict casts of string values, which might allow remote attackers to conduct object-injection attacks and execute arbitrary code, or c…

Published Apr 9, 2013dan_kubbCWE-264EPSS 3.42%

Overview

CVE-2013-1802 is a high-severity vulnerability affecting dan_kubb extlib. It was published on April 9, 2013 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 extlib gem 0.9.15 and earlier for Ruby does not properly restrict casts of string values, which might allow remote attackers to conduct object-injection attacks and execute arbitrary code, or cause a denial of service (memory and CPU consumption) by leveraging Action Pack support for (1) YAML type conversion or (2) Symbol type conversion, a similar vulnerability to CVE-2013-0156.

Remediation

Check the references section for vendor advisories and patches from dan_kubb. Update extlib 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
dan_kubbextlib0Affected

References

Reflists.opensuse.org/opensuse-security-announce/2013-04/msg00002.htmlRefbugzilla.redhat.com/show_bug.cgi?id=917233GitHubgithub.com/datamapper/extlib/compare/b4f98174ec35ac96f76a08d5624fad05d22879b5...4540e7102b803624cc2eade4bb8aaaa934fc31c5Refsupport.cloud.engineyard.com/entries/22915701-january-14-2013-security-vulnerabilities-httparty-extlib-crack-nori-update-these-gems-immediatelyReflists.opensuse.org/opensuse-security-announce/2013-04/msg00002.htmlRefbugzilla.redhat.com/show_bug.cgi?id=917233GitHubgithub.com/datamapper/extlib/compare/b4f98174ec35ac96f76a08d5624fad05d22879b5...4540e7102b803624cc2eade4bb8aaaa934fc31c5Refsupport.cloud.engineyard.com/entries/22915701-january-14-2013-security-vulnerabilities-httparty-extlib-crack-nori-update-these-gems-immediately

How CyberStrike helps

Frequently asked questions

What is CVE-2013-1802?

CVE-2013-1802 is a high-severity vulnerability affecting dan_kubb extlib. It was published on April 9, 2013 and has a CVSS 2.0 base score of 7.5 (HIGH).

How severe is CVE-2013-1802?

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-2013-1802?

Check the references section for vendor advisories and patches from dan_kubb. Update extlib 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-2013-1802?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2013-1802 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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