{"containers": {"cna": {"affected": [{"product": "v8n", "vendor": "imbrn", "versions": [{"status": "affected", "version": "< 1.5.1"}]}], "descriptions": [{"lang": "en", "value": "v8n is a javascript validation library. Versions of v8n prior to 1.5.1 were found to have an inefficient regular expression complexity in the `lowercase()` and `uppercase()` regex which could lead to a denial of service attack. In testing of the `lowercase()` function a payload of 'a' + 'a'.repeat(i) + 'A' with 32 leading characters took 29443 ms to execute. The same issue happens with uppercase(). Users are advised to upgrade. There are no known workarounds for this issue."}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}}], "problemTypes": [{"descriptions": [{"cweId": "CWE-400", "description": "CWE-400: Uncontrolled Resource Consumption", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"dateUpdated": "2022-08-02T20:10:11", "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M"}, "references": [{"tags": ["x_refsource_CONFIRM"], "url": "https://github.com/imbrn/v8n/security/advisories/GHSA-xrx9-gj26-5wx9"}, {"tags": ["x_refsource_MISC"], "url": "https://github.com/imbrn/v8n/commit/92393862156fad190c05ec3f6e2bc73308dcd2f9"}, {"tags": ["x_refsource_MISC"], "url": "https://huntr.dev/bounties/2d92f644-593b-43b4-bfd1-c8042ac60609/"}], "source": {"advisory": "GHSA-xrx9-gj26-5wx9", "discovery": "UNKNOWN"}, "title": "Inefficient Regular Expression Complexity in v8n", "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "security-advisories@github.com", "ID": "CVE-2022-35923", "STATE": "PUBLIC", "TITLE": "Inefficient Regular Expression Complexity in v8n"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "v8n", "version": {"version_data": [{"version_value": "< 1.5.1"}]}}]}, "vendor_name": "imbrn"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "v8n is a javascript validation library. Versions of v8n prior to 1.5.1 were found to have an inefficient regular expression complexity in the `lowercase()` and `uppercase()` regex which could lead to a denial of service attack. In testing of the `lowercase()` function a payload of 'a' + 'a'.repeat(i) + 'A' with 32 leading characters took 29443 ms to execute. The same issue happens with uppercase(). Users are advised to upgrade. There are no known workarounds for this issue."}]}, "impact": {"cvss": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "CWE-400: Uncontrolled Resource Consumption"}]}]}, "references": {"reference_data": [{"name": "https://github.com/imbrn/v8n/security/advisories/GHSA-xrx9-gj26-5wx9", "refsource": "CONFIRM", "url": "https://github.com/imbrn/v8n/security/advisories/GHSA-xrx9-gj26-5wx9"}, {"name": "https://github.com/imbrn/v8n/commit/92393862156fad190c05ec3f6e2bc73308dcd2f9", "refsource": "MISC", "url": "https://github.com/imbrn/v8n/commit/92393862156fad190c05ec3f6e2bc73308dcd2f9"}, {"name": "https://huntr.dev/bounties/2d92f644-593b-43b4-bfd1-c8042ac60609/", "refsource": "MISC", "url": "https://huntr.dev/bounties/2d92f644-593b-43b4-bfd1-c8042ac60609/"}]}, "source": {"advisory": "GHSA-xrx9-gj26-5wx9", "discovery": "UNKNOWN"}}}}, "cveMetadata": {"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "assignerShortName": "GitHub_M", "cveId": "CVE-2022-35923", "datePublished": "2022-08-02T20:10:11", "dateReserved": "2022-07-15T00:00:00", "dateUpdated": "2022-08-02T20:10:11", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.0"}

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