What’s Vulnerable › Vulnerabilities

CVE-2013-1802

• Severity: high (CVSS 7.5 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 3.4% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2013-04-09 · updated 2026-06-16
• Weakness: CWE-264

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.

Affected products

• Dan Kubb Extlib: through 0.9.15; 0.9.2, 0.9.3, 0.9.4, 0.9.5, 0.9.6, 0.9.7 (+7)

References

• http://lists.opensuse.org/opensuse-security-announce/2013-04/msg00002.html
• https://bugzilla.redhat.com/show_bug.cgi?id=917233
• https://github.com/datamapper/extlib/compare/b4f98174ec35ac96f76a08d5624fad05d22879b5...4540e7102b803624cc2eade4bb8aaaa934fc31c5
• https://support.cloud.engineyard.com/entries/22915701-january-14-2013-security-vulnerabilities-httparty-extlib-crack-nori-update-these-gems-immediately
• http://lists.opensuse.org/opensuse-security-announce/2013-04/msg00002.html
• https://bugzilla.redhat.com/show_bug.cgi?id=917233
• https://github.com/datamapper/extlib/compare/b4f98174ec35ac96f76a08d5624fad05d22879b5...4540e7102b803624cc2eade4bb8aaaa934fc31c5
• https://support.cloud.engineyard.com/entries/22915701-january-14-2013-security-vulnerabilities-httparty-extlib-crack-nori-update-these-gems-immediately

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