CVE-2021-39873 - Vulnerability Details - OpenCVE

In all versions of GitLab CE/EE, there exists a content spoofing vulnerability which may be leveraged by attackers to trick users into visiting a malicious website by spoofing the content in an error response.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact Low

Integrity Impact None

Availability Impact None

User Interaction Required

No CVSS v3.0

Access Vector Network

Access Complexity Medium

Authentication None

Confidentiality Impact None

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
Gitlab	Gitlab

Configuration 1 [-]

OR	cpe:2.3:a:gitlab:gitlab:::::community:::*
	cpe:2.3:a:gitlab:gitlab:::::enterprise:::*
	cpe:2.3:a:gitlab:gitlab:::::community:::*
	cpe:2.3:a:gitlab:gitlab:::::enterprise:::*
	cpe:2.3:a:gitlab:gitlab:4.3.0::::community:::
	cpe:2.3:a:gitlab:gitlab:4.3.0::::enterprise:::

No data.

References

Link	Providers
https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39873.json
https://gitlab.com/gitlab-org/gitlab/-/issues/27241
https://hackerone.com/reports/504961

History

No history.

MITRE

Status: PUBLISHED

Assigner: GitLab

Published: 2021-10-04T16:43:24

Updated: 2024-08-04T02:20:33.651Z

Reserved: 2021-08-23T00:00:00

Link: CVE-2021-39873

Vulnrichment

No data.

NVD

Status : Modified

Published: 2021-10-04T17:15:07.967

Modified: 2024-11-21T06:20:26.380

Link: CVE-2021-39873

Redhat

No data.

{"containers": {"cna": {"affected": [{"product": "GitLab", "vendor": "GitLab", "versions": [{"status": "affected", "version": ">=1.0, <14.1.7"}, {"status": "affected", "version": ">=14.2, <14.2.5"}, {"status": "affected", "version": ">=14.3, <14.3.1"}]}], "credits": [{"lang": "en", "value": "Thanks @w00t1 for reporting this vulnerability through our HackerOne bug bounty program"}], "descriptions": [{"lang": "en", "value": "In all versions of GitLab CE/EE, there exists a content spoofing vulnerability which may be leveraged by attackers to trick users into visiting a malicious website by spoofing the content in an error response."}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 4.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N", "version": "3.1"}}], "problemTypes": [{"descriptions": [{"description": "Insufficient verification of data authenticity in GitLab", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2021-10-04T16:43:24", "orgId": "ceab7361-8a18-47b1-92ba-4d7d25f6715a", "shortName": "GitLab"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://gitlab.com/gitlab-org/gitlab/-/issues/27241"}, {"tags": ["x_refsource_MISC"], "url": "https://hackerone.com/reports/504961"}, {"tags": ["x_refsource_CONFIRM"], "url": "https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39873.json"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "cve@gitlab.com", "ID": "CVE-2021-39873", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "GitLab", "version": {"version_data": [{"version_value": ">=1.0, <14.1.7"}, {"version_value": ">=14.2, <14.2.5"}, {"version_value": ">=14.3, <14.3.1"}]}}]}, "vendor_name": "GitLab"}]}}, "credit": [{"lang": "eng", "value": "Thanks @w00t1 for reporting this vulnerability through our HackerOne bug bounty program"}], "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "In all versions of GitLab CE/EE, there exists a content spoofing vulnerability which may be leveraged by attackers to trick users into visiting a malicious website by spoofing the content in an error response."}]}, "impact": {"cvss": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 4.2, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N", "version": "3.1"}}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "Insufficient verification of data authenticity in GitLab"}]}]}, "references": {"reference_data": [{"name": "https://gitlab.com/gitlab-org/gitlab/-/issues/27241", "refsource": "MISC", "url": "https://gitlab.com/gitlab-org/gitlab/-/issues/27241"}, {"name": "https://hackerone.com/reports/504961", "refsource": "MISC", "url": "https://hackerone.com/reports/504961"}, {"name": "https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39873.json", "refsource": "CONFIRM", "url": "https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39873.json"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T02:20:33.651Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://gitlab.com/gitlab-org/gitlab/-/issues/27241"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://hackerone.com/reports/504961"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39873.json"}]}]}, "cveMetadata": {"assignerOrgId": "ceab7361-8a18-47b1-92ba-4d7d25f6715a", "assignerShortName": "GitLab", "cveId": "CVE-2021-39873", "datePublished": "2021-10-04T16:43:24", "dateReserved": "2021-08-23T00:00:00", "dateUpdated": "2024-08-04T02:20:33.651Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*", "matchCriteriaId": "15511E8F-E088-49D8-BF62-7C0D3A5252BF", "versionEndExcluding": "14.1.7", "versionStartIncluding": "1.0.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*", "matchCriteriaId": "C2FC870F-C488-49EF-92B2-A46CE6116A94", "versionEndExcluding": "14.1.7", "versionStartIncluding": "1.0.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*", "matchCriteriaId": "CAB23F69-59A2-430F-A082-A5F81A7A464C", "versionEndExcluding": "14.2.5", "versionStartIncluding": "14.2.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*", "matchCriteriaId": "CD7E2FAA-308F-450F-8990-52A7DEB8ED00", "versionEndExcluding": "14.2.5", "versionStartIncluding": "14.2.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:gitlab:gitlab:4.3.0:*:*:*:community:*:*:*", "matchCriteriaId": "43C7D46F-A414-4818-B74C-547684E7B01D", "vulnerable": true}, {"criteria": "cpe:2.3:a:gitlab:gitlab:4.3.0:*:*:*:enterprise:*:*:*", "matchCriteriaId": "35B8762D-58EF-4F52-9C12-6CA842F2E195", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "descriptions": [{"lang": "en", "value": "In all versions of GitLab CE/EE, there exists a content spoofing vulnerability which may be leveraged by attackers to trick users into visiting a malicious website by spoofing the content in an error response."}, {"lang": "es", "value": "En todas las versiones de GitLab CE/EE, se presenta una vulnerabilidad de suplantaci\u00f3n de contenido que puede ser aprovechada por los atacantes para enga\u00f1ar a usuarios para que visiten un sitio web malicioso suplantando el contenido de una respuesta de error"}], "id": "CVE-2021-39873", "lastModified": "2024-11-21T06:20:26.380", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 4.3, "confidentialityImpact": "NONE", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:N", "version": "2.0"}, "exploitabilityScore": 8.6, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": true}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 4.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 1.4, "source": "cve@gitlab.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 4.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 1.4, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-10-04T17:15:07.967", "references": [{"source": "cve@gitlab.com", "tags": ["Vendor Advisory"], "url": "https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39873.json"}, {"source": "cve@gitlab.com", "tags": ["Broken Link"], "url": "https://gitlab.com/gitlab-org/gitlab/-/issues/27241"}, {"source": "cve@gitlab.com", "tags": ["Permissions Required", "Third Party Advisory"], "url": "https://hackerone.com/reports/504961"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39873.json"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Broken Link"], "url": "https://gitlab.com/gitlab-org/gitlab/-/issues/27241"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Permissions Required", "Third Party Advisory"], "url": "https://hackerone.com/reports/504961"}], "sourceIdentifier": "cve@gitlab.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}]}