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
Published Apr 9, 2013
7.5
HIGHCVSS 2.0
EPSS 3.42%
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
No data.
- ≤ 0.9.15
- 0.9.2
- 0.9.3
- 0.9.4
- 0.9.5
- 0.9.6
- 0.9.7
- 0.9.8
- 0.9.9
- 0.9.10
- 0.9.11
- 0.9.12
- 0.9.13
- 0.9.14
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:N/AC:L/Au:N/C:P/I:P/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (11 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 3.42% (0.03415) | 88.49th | v5 (v2026.06.15) |
| Jun 15, 2026 | 3.42% (0.03415) | 87.30th | v5 (v2026.06.15) |
| Mar 30, 2025 | 1.69% (0.01686) | 80.53th | v4 (v2025.03.14) |
| Mar 29, 2025 | 3.34% (0.03339) | 78.62th | v4 (v2025.03.14) |
| Mar 17, 2025 | 1.69% (0.01686) | 80.96th | v4 (v2025.03.14) |
| Dec 12, 2024 | 3.42% (0.03423) | 91.81th | v3 (v2023.03.01) |
| Apr 8, 2023 | 3.11% (0.03108) | 89.56th | v3 (v2023.03.01) |
| Mar 7, 2023 | 2.68% (0.02683) | 88.78th | v3 (v2023.03.01) |
| Mar 6, 2023 | 4.29% (0.04291) | 87.64th | v2 (v2022.01.01) |
| Apr 1, 2022 | 4.29% (0.04291) | 86.39th | v2 (v2022.01.01) |
| Feb 4, 2022 | 4.29% (0.04291) | 70.14th | v2 (v2022.01.01) |
References (8)
- http://lists.opensuse.org/opensuse-security-announce/2013-04/msg00002.html vendor-advisoryx_refsource_SUSE
- https://bugzilla.redhat.com/show_bug.cgi?id=917233 x_refsource_MISC
- https://github.com/advisories/GHSA-9h36-4jf2-hx53 Advisory
- https://github.com/datamapper/extlib/compare/b4f98174ec35ac96f76a08d5624fad05d22879b5...4540e7102b803624cc2eade4bb8aaaa934fc31c5 x_refsource_CONFIRMExploitPatch
- https://github.com/rubysec/ruby-advisory-db/blob/master/gems/extlib/CVE-2013-1802.yml
- https://nvd.nist.gov/vuln/detail/CVE-2013-1802
- https://support.cloud.engineyard.com/entries/22915701-january-14-2013-security-vulnerabilities-httparty-extlib-crack-nori-update-these-gems-immediately x_refsource_MISC
- https://web.archive.org/web/20130203232028/https://support.cloud.engineyard.com/entries/22915701-january-14-2013-security-vulnerabilities-httparty-extlib-crack-nori-update-these-gems-immediately
Change history (0)
No recorded changes yet.