CVE-2021-23435 - Vulnerability Details - OpenCVE

This affects the package clearance before 2.5.0. The vulnerability can be possible when users are able to set the value of session[:return_to]. If the value used for return_to contains multiple leading slashes (/////example.com) the user ends up being redirected to the external domain that comes after the slashes (http://example.com).

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact Low

Integrity Impact Low

Availability Impact High

User Interaction Required

No CVSS v3.0

Access Vector Network

Access Complexity Medium

Authentication None

Confidentiality Impact Partial

Integrity Impact Partial

Availability Impact None

This CVE is not in the KEV list.

Key SSVC decision points have not yet been added.

Vendors	Products
Thoughtbot	Clearance

Configuration 1 [-]

cpe:2.3:a:thoughtbot:clearance:*:*:*:*:*:*:*:*

No data.

References

Link	Providers
https://github.com/thoughtbot/clearance/pull/945
https://snyk.io/vuln/SNYK-RUBY-CLEARANCE-1577284

History

No history.

MITRE

Status: PUBLISHED

Assigner: snyk

Published: 2021-09-12T20:05:10.404742Z

Updated: 2024-09-16T23:55:46.556Z

Reserved: 2021-01-08T00:00:00

Link: CVE-2021-23435

Vulnrichment

No data.

NVD

Status : Modified

Published: 2021-09-12T20:15:07.443

Modified: 2024-11-21T05:51:45.263

Link: CVE-2021-23435

Redhat

No data.

{"containers": {"cna": {"affected": [{"product": "clearance", "vendor": "n/a", "versions": [{"lessThan": "2.5.0", "status": "affected", "version": "unspecified", "versionType": "custom"}]}], "credits": [{"lang": "en", "value": "Snyk Security Team"}], "datePublic": "2021-09-12T00:00:00", "descriptions": [{"lang": "en", "value": "This affects the package clearance before 2.5.0. The vulnerability can be possible when users are able to set the value of session[:return_to]. If the value used for return_to contains multiple leading slashes (/////example.com) the user ends up being redirected to the external domain that comes after the slashes (http://example.com)."}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.6, "baseSeverity": "HIGH", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:H", "version": "3.1"}}], "problemTypes": [{"descriptions": [{"description": "Open Redirect", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2021-09-12T20:05:10", "orgId": "bae035ff-b466-4ff4-94d0-fc9efd9e1730", "shortName": "snyk"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://snyk.io/vuln/SNYK-RUBY-CLEARANCE-1577284"}, {"tags": ["x_refsource_MISC"], "url": "https://github.com/thoughtbot/clearance/pull/945"}], "title": "Open Redirect", "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "report@snyk.io", "DATE_PUBLIC": "2021-09-12T20:00:23.031648Z", "ID": "CVE-2021-23435", "STATE": "PUBLIC", "TITLE": "Open Redirect"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "clearance", "version": {"version_data": [{"version_affected": "<", "version_value": "2.5.0"}]}}]}, "vendor_name": "n/a"}]}}, "credit": [{"lang": "eng", "value": "Snyk Security Team"}], "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "This affects the package clearance before 2.5.0. The vulnerability can be possible when users are able to set the value of session[:return_to]. If the value used for return_to contains multiple leading slashes (/////example.com) the user ends up being redirected to the external domain that comes after the slashes (http://example.com)."}]}, "impact": {"cvss": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.6, "baseSeverity": "HIGH", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:H", "version": "3.1"}}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "Open Redirect"}]}]}, "references": {"reference_data": [{"name": "https://snyk.io/vuln/SNYK-RUBY-CLEARANCE-1577284", "refsource": "MISC", "url": "https://snyk.io/vuln/SNYK-RUBY-CLEARANCE-1577284"}, {"name": "https://github.com/thoughtbot/clearance/pull/945", "refsource": "MISC", "url": "https://github.com/thoughtbot/clearance/pull/945"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T19:05:56.218Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://snyk.io/vuln/SNYK-RUBY-CLEARANCE-1577284"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://github.com/thoughtbot/clearance/pull/945"}]}]}, "cveMetadata": {"assignerOrgId": "bae035ff-b466-4ff4-94d0-fc9efd9e1730", "assignerShortName": "snyk", "cveId": "CVE-2021-23435", "datePublished": "2021-09-12T20:05:10.404742Z", "dateReserved": "2021-01-08T00:00:00", "dateUpdated": "2024-09-16T23:55:46.556Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:thoughtbot:clearance:*:*:*:*:*:*:*:*", "matchCriteriaId": "DA5DD45E-7578-4DD7-9105-F2CBC8A35649", "versionEndExcluding": "2.5.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "descriptions": [{"lang": "en", "value": "This affects the package clearance before 2.5.0. The vulnerability can be possible when users are able to set the value of session[:return_to]. If the value used for return_to contains multiple leading slashes (/////example.com) the user ends up being redirected to the external domain that comes after the slashes (http://example.com)."}, {"lang": "es", "value": "Esto afecta al paquete clearance versiones anteriores a 2.5.0. La vulnerabilidad puede ser posible cuando los usuarios son capaces de establecer el valor de session[:return_to]. Si el valor usado para return_to contiene m\u00faltiples barras inclinadas (/////example.com) el usuario acaba siendo redirigido al dominio externo que viene despu\u00e9s de las barras (http://example.com)"}], "id": "CVE-2021-23435", "lastModified": "2024-11-21T05:51:45.263", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 5.8, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:N", "version": "2.0"}, "exploitabilityScore": 8.6, "impactScore": 4.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": true}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.6, "baseSeverity": "HIGH", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 4.7, "source": "report@snyk.io", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.1, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 2.7, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-09-12T20:15:07.443", "references": [{"source": "report@snyk.io", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/thoughtbot/clearance/pull/945"}, {"source": "report@snyk.io", "tags": ["Third Party Advisory"], "url": "https://snyk.io/vuln/SNYK-RUBY-CLEARANCE-1577284"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/thoughtbot/clearance/pull/945"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://snyk.io/vuln/SNYK-RUBY-CLEARANCE-1577284"}], "sourceIdentifier": "report@snyk.io", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-601"}], "source": "nvd@nist.gov", "type": "Primary"}]}