CVE-2021-39894 - Vulnerability Details - OpenCVE

Description

In all versions of GitLab CE/EE since version 8.0, a DNS rebinding vulnerability exists in Fogbugz importer which may be used by attackers to exploit Server Side Request Forgery attacks.

Published: 2021-10-05

Score: 5.4 Medium

EPSS: < 1% Very Low

KEV: No

Impact:

Action:

Analysis

No analysis available yet.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

GitLab

GitLab

affected

Version	Status	Constraints
`>=8.0, <14.1.7`	affected	—
`>=14.2, <14.2.5`	affected	—
`>=14.3, <14.3.1`	affected	—

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:14.3.0::::community:::
	cpe:2.3:a:gitlab:gitlab:14.3.0::::enterprise:::

No data.

No data available yet.

Remediation

No remediation available yet.

Tracking

Sign in to view the affected projects.

Advisories

Source	ID	Title
EUVD	EUVD-2021-26250	In all versions of GitLab CE/EE since version 8.0, a DNS rebinding vulnerability exists in Fogbugz importer which may be used by attackers to exploit Server Side Request Forgery attacks.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact Low

Integrity Impact Low

Availability Impact None

User Interaction None

No CVSS v3.0

Access Vector Network

Access Complexity Low

Authentication Single

Confidentiality Impact Partial

Integrity Impact Partial

Availability Impact None

This CVE is not in the KEV list.

The EPSS score is 0.00165.

Key SSVC decision points have not yet been added.

References

Link	Providers
https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39894.json
https://gitlab.com/gitlab-org/gitlab/-/issues/214399

History

No history.

Subscriptions

Gitlab Gitlab

MITRE

Status: PUBLISHED

Assigner: GitLab

Published: 2021-10-05T12:33:05.000Z

Updated: 2024-08-04T02:20:33.670Z

Reserved: 2021-08-23T00:00:00.000Z

Link: CVE-2021-39894

Vulnrichment

No data.

NVD

Status : Modified

Published: 2021-10-05T13:15:08.467

Modified: 2024-11-21T06:20:29.703

Link: CVE-2021-39894

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-918

{"containers": {"cna": {"affected": [{"product": "GitLab", "vendor": "GitLab", "versions": [{"status": "affected", "version": ">=8.0, <14.1.7"}, {"status": "affected", "version": ">=14.2, <14.2.5"}, {"status": "affected", "version": ">=14.3, <14.3.1"}]}], "credits": [{"lang": "en", "value": "This vulnerability was discovered internally by the GitLab team."}], "descriptions": [{"lang": "en", "value": "In all versions of GitLab CE/EE since version 8.0, a DNS rebinding vulnerability exists in Fogbugz importer which may be used by attackers to exploit Server Side Request Forgery attacks."}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.4, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N", "version": "3.1"}}], "problemTypes": [{"descriptions": [{"description": "Reliance on reverse dns resolution for a security-critical action in GitLab", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2021-10-05T12:33:05.000Z", "orgId": "ceab7361-8a18-47b1-92ba-4d7d25f6715a", "shortName": "GitLab"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://gitlab.com/gitlab-org/gitlab/-/issues/214399"}, {"tags": ["x_refsource_CONFIRM"], "url": "https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39894.json"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "cve@gitlab.com", "ID": "CVE-2021-39894", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "GitLab", "version": {"version_data": [{"version_value": ">=8.0, <14.1.7"}, {"version_value": ">=14.2, <14.2.5"}, {"version_value": ">=14.3, <14.3.1"}]}}]}, "vendor_name": "GitLab"}]}}, "credit": [{"lang": "eng", "value": "This vulnerability was discovered internally by the GitLab team."}], "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "In all versions of GitLab CE/EE since version 8.0, a DNS rebinding vulnerability exists in Fogbugz importer which may be used by attackers to exploit Server Side Request Forgery attacks."}]}, "impact": {"cvss": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N", "version": "3.1"}}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "Reliance on reverse dns resolution for a security-critical action in GitLab"}]}]}, "references": {"reference_data": [{"name": "https://gitlab.com/gitlab-org/gitlab/-/issues/214399", "refsource": "MISC", "url": "https://gitlab.com/gitlab-org/gitlab/-/issues/214399"}, {"name": "https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39894.json", "refsource": "CONFIRM", "url": "https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39894.json"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T02:20:33.670Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://gitlab.com/gitlab-org/gitlab/-/issues/214399"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39894.json"}]}]}, "cveMetadata": {"assignerOrgId": "ceab7361-8a18-47b1-92ba-4d7d25f6715a", "assignerShortName": "GitLab", "cveId": "CVE-2021-39894", "datePublished": "2021-10-05T12:33:05.000Z", "dateReserved": "2021-08-23T00:00:00.000Z", "dateUpdated": "2024-08-04T02:20:33.670Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*", "matchCriteriaId": "108BFCA8-3661-485A-BD06-27FA8999BB50", "versionEndExcluding": "14.1.7", "versionStartIncluding": "8.0.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*", "matchCriteriaId": "4B4A8EE5-32B8-4DFB-9431-01A76FF04037", "versionEndExcluding": "14.1.7", "versionStartIncluding": "8.0.0", "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:14.3.0:*:*:*:community:*:*:*", "matchCriteriaId": "3E754C1F-3FB2-4387-8523-19896FDE7A14", "vulnerable": true}, {"criteria": "cpe:2.3:a:gitlab:gitlab:14.3.0:*:*:*:enterprise:*:*:*", "matchCriteriaId": "ED0EDF4C-4350-476E-A6C4-C2FEFC2078D8", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "descriptions": [{"lang": "en", "value": "In all versions of GitLab CE/EE since version 8.0, a DNS rebinding vulnerability exists in Fogbugz importer which may be used by attackers to exploit Server Side Request Forgery attacks."}, {"lang": "es", "value": "En todas las versiones de GitLab CE/EE desde la versi\u00f3n 8.0, se presenta una vulnerabilidad de reenganche de DNS en el importador Fogbugz que puede ser usada por atacantes para explotar ataques de tipo Server Side Request Forgery"}], "id": "CVE-2021-39894", "lastModified": "2024-11-21T06:20:29.703", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "SINGLE", "availabilityImpact": "NONE", "baseScore": 5.5, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:N", "version": "2.0"}, "exploitabilityScore": 8.0, "impactScore": 4.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.4, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 2.5, "source": "cve@gitlab.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.4, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 2.5, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-10-05T13:15:08.467", "references": [{"source": "cve@gitlab.com", "tags": ["Vendor Advisory"], "url": "https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39894.json"}, {"source": "cve@gitlab.com", "tags": ["Broken Link"], "url": "https://gitlab.com/gitlab-org/gitlab/-/issues/214399"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39894.json"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Broken Link"], "url": "https://gitlab.com/gitlab-org/gitlab/-/issues/214399"}], "sourceIdentifier": "cve@gitlab.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-918"}], "source": "nvd@nist.gov", "type": "Primary"}]}