gsd-2020-26160
Vulnerability from gsd
Modified
2023-12-13 01:22
Details
jwt-go before 4.0.0-preview1 allows attackers to bypass intended access restrictions in situations with []string{} for m["aud"] (which is allowed by the specification). Because the type assertion fails, "" is the value of aud. This is a security problem if the JWT token is presented to a service that lacks its own audience check.
Aliases
Aliases
{ "GSD": { "alias": "CVE-2020-26160", "description": "jwt-go before 4.0.0-preview1 allows attackers to bypass intended access restrictions in situations with []string{} for m[\"aud\"] (which is allowed by the specification). Because the type assertion fails, \"\" is the value of aud. This is a security problem if the JWT token is presented to a service that lacks its own audience check.", "id": "GSD-2020-26160", "references": [ "https://www.suse.com/security/cve/CVE-2020-26160.html", "https://access.redhat.com/errata/RHSA-2021:5110", "https://access.redhat.com/errata/RHSA-2021:2438", "https://access.redhat.com/errata/RHSA-2021:2042", "https://access.redhat.com/errata/RHSA-2021:2041", "https://access.redhat.com/errata/RHSA-2021:0799", "https://access.redhat.com/errata/RHSA-2021:0516", "https://access.redhat.com/errata/RHSA-2020:5633" ] }, "gsd": { "metadata": { "exploitCode": "unknown", "remediation": "unknown", "reportConfidence": "confirmed", "type": "vulnerability" }, "osvSchema": { "aliases": [ "CVE-2020-26160" ], "details": "jwt-go before 4.0.0-preview1 allows attackers to bypass intended access restrictions in situations with []string{} for m[\"aud\"] (which is allowed by the specification). Because the type assertion fails, \"\" is the value of aud. This is a security problem if the JWT token is presented to a service that lacks its own audience check.", "id": "GSD-2020-26160", "modified": "2023-12-13T01:22:08.690815Z", "schema_version": "1.4.0" } }, "namespaces": { "cve.org": { "CVE_data_meta": { "ASSIGNER": "cve@mitre.org", "ID": "CVE-2020-26160", "STATE": "PUBLIC" }, "affects": { "vendor": { "vendor_data": [ { "product": { "product_data": [ { "product_name": "n/a", "version": { "version_data": [ { "version_value": "n/a" } ] } } ] }, "vendor_name": "n/a" } ] } }, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": { "description_data": [ { "lang": "eng", "value": "jwt-go before 4.0.0-preview1 allows attackers to bypass intended access restrictions in situations with []string{} for m[\"aud\"] (which is allowed by the specification). Because the type assertion fails, \"\" is the value of aud. This is a security problem if the JWT token is presented to a service that lacks its own audience check." } ] }, "impact": { "cvss": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AC:L/AV:N/A:N/C:H/I:N/PR:N/S:U/UI:N", "version": "3.1" } }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "eng", "value": "n/a" } ] } ] }, "references": { "reference_data": [ { "name": "https://github.com/dgrijalva/jwt-go/pull/426", "refsource": "MISC", "url": "https://github.com/dgrijalva/jwt-go/pull/426" }, { "name": "https://snyk.io/vuln/SNYK-GOLANG-GITHUBCOMDGRIJALVAJWTGO-596515", "refsource": "MISC", "url": "https://snyk.io/vuln/SNYK-GOLANG-GITHUBCOMDGRIJALVAJWTGO-596515" } ] } }, "gitlab.com": { "advisories": [ { "affected_range": "\u003c=v3.2.0", "affected_versions": "All versions up to 3.2.0", "cvss_v2": "AV:N/AC:L/Au:N/C:P/I:N/A:N", "cvss_v3": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "cwe_ids": [ "CWE-1035", "CWE-862", "CWE-937" ], "date": "2021-07-21", "description": "jwt-go allows attackers to bypass intended access restrictions in situations with `[]string{}` for `m[\"aud\"]` (which is allowed by the specification). Because the type assertion fails, \"\" is the value of `aud`. This is a security problem if the JWT token is presented to a service that lacks its own audience check.", "fixed_versions": [], "identifier": "CVE-2020-26160", "identifiers": [ "CVE-2020-26160" ], "not_impacted": "", "package_slug": "go/github.com/dgrijalva/jwt-go", "pubdate": "2020-09-30", "solution": "Unfortunately, there is no solution available yet.", "title": "Missing Authorization", "urls": [ "https://nvd.nist.gov/vuln/detail/CVE-2020-26160" ], "uuid": "1d97ce90-c7a5-455c-ac06-f7976da3cbc9", "versions": [ { "commit": { "sha": "06ea1031745cb8b3dab3f6a236daf2b0aa468b7e", "tags": [ "v3.2.0" ], "timestamp": "20180308231308" }, "number": "v3.2.0" } ] }, { "affected_range": "\u003cv4.0.0-preiew1", "affected_versions": "All versions before 4.0.0-preview1", "cvss_v2": "AV:N/AC:L/Au:N/C:P/I:N/A:N", "cvss_v3": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "cwe_ids": [ "CWE-1035", "CWE-287", "CWE-755", "CWE-937" ], "date": "2023-02-07", "description": "jwt-go before 4.0.0-preview1 allows attackers to bypass intended access restrictions in situations with []string{} for m[\"aud\"] (which is allowed by the specification). Because the type assertion fails, \"\" is the value of aud. This is a security problem if the JWT token is presented to a service that lacks its own audience check.", "fixed_versions": [ "v4.0.0-preiew1" ], "identifier": "CVE-2020-26160", "identifiers": [ "GHSA-w73w-5m7g-f7qc", "CVE-2020-26160" ], "not_impacted": "All versions starting from 4.0.0-preview1", "package_slug": "go/github.com/dgrijalva/jwt-go/v4", "pubdate": "2021-05-18", "solution": "Upgrade to version 4.0.0-preview1 or above.", "title": "Improper Handling of Exceptional Conditions", "urls": [ "https://nvd.nist.gov/vuln/detail/CVE-2020-26160", "https://github.com/dgrijalva/jwt-go/issues/422", "https://github.com/dgrijalva/jwt-go/pull/426", "https://snyk.io/vuln/SNYK-GOLANG-GITHUBCOMDGRIJALVAJWTGO-596515", "https://github.com/dgrijalva/jwt-go/issues/462", "https://github.com/dgrijalva/jwt-go/commit/ec0a89a131e3e8567adcb21254a5cd20a70ea4ab", "https://pkg.go.dev/vuln/GO-2020-0017", "https://github.com/advisories/GHSA-w73w-5m7g-f7qc" ], "uuid": "4c5668a8-7038-4796-8a80-d1000e0c037b", "versions": [] } ] }, "nvd.nist.gov": { "configurations": { "CVE_data_version": "4.0", "nodes": [ { "children": [], "cpe_match": [ { "cpe23Uri": "cpe:2.3:a:jwt-go_project:jwt-go:*:*:*:*:*:*:*:*", "cpe_name": [], "versionEndIncluding": "3.2.0", "vulnerable": true } ], "operator": "OR" } ] }, "cve": { "CVE_data_meta": { "ASSIGNER": "cve@mitre.org", "ID": "CVE-2020-26160" }, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": { "description_data": [ { "lang": "en", "value": "jwt-go before 4.0.0-preview1 allows attackers to bypass intended access restrictions in situations with []string{} for m[\"aud\"] (which is allowed by the specification). Because the type assertion fails, \"\" is the value of aud. This is a security problem if the JWT token is presented to a service that lacks its own audience check." } ] }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "en", "value": "CWE-287" }, { "lang": "en", "value": "CWE-755" } ] } ] }, "references": { "reference_data": [ { "name": "https://snyk.io/vuln/SNYK-GOLANG-GITHUBCOMDGRIJALVAJWTGO-596515", "refsource": "MISC", "tags": [ "Third Party Advisory" ], "url": "https://snyk.io/vuln/SNYK-GOLANG-GITHUBCOMDGRIJALVAJWTGO-596515" }, { "name": "https://github.com/dgrijalva/jwt-go/pull/426", "refsource": "MISC", "tags": [ "Patch", "Third Party Advisory" ], "url": "https://github.com/dgrijalva/jwt-go/pull/426" } ] } }, "impact": { "baseMetricV2": { "acInsufInfo": false, "cvssV2": { "accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 5.0, "confidentialityImpact": "PARTIAL", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N", "version": "2.0" }, "exploitabilityScore": 10.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "severity": "MEDIUM", "userInteractionRequired": false }, "baseMetricV3": { "cvssV3": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "version": "3.1" }, "exploitabilityScore": 3.9, "impactScore": 3.6 } }, "lastModifiedDate": "2021-07-21T11:39Z", "publishedDate": "2020-09-30T18:15Z" } } }
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Sightings
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Nomenclature
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