CVE-2020-13333 - OpenCVE

A potential DOS vulnerability was discovered in GitLab versions 13.1, 13.2 and 13.3. The api to update an asset as a link from a release had a regex check which caused exponential number of backtracks for certain user supplied values resulting in high CPU usage.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact Low

User Interaction None

No CVSS v3.0

Access Vector Network

Access Complexity Low

Authentication Single

Confidentiality Impact None

Integrity Impact None

Availability Impact Partial

AV:N/AC:L/Au:S/C:N/I:N/A:P

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:13.1.0::::community:::
	cpe:2.3:a:gitlab:gitlab:13.1.0::::enterprise:::
	cpe:2.3:a:gitlab:gitlab:13.2.0::::community:::
	cpe:2.3:a:gitlab:gitlab:13.2.0::::enterprise:::
	cpe:2.3:a:gitlab:gitlab:13.3.0::::community:::
	cpe:2.3:a:gitlab:gitlab:13.3.0::::enterprise:::

No data.

References

Link	Providers
https://gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-13333.json
https://gitlab.com/gitlab-org/gitlab/-/issues/218753
https://hackerone.com/reports/870820

History

No history.

MITRE

Status: PUBLISHED

Assigner: GitLab

Published: 2020-10-06T18:30:03

Updated: 2024-08-04T12:18:17.569Z

Reserved: 2020-05-21T00:00:00

Link: CVE-2020-13333

Vulnrichment

No data.

NVD

Status : Analyzed

Published: 2020-10-06T19:15:13.257

Modified: 2020-10-29T20:15:48.197

Link: CVE-2020-13333

Redhat

No data.

{"containers": {"cna": {"affected": [{"product": "GitLab", "vendor": "GitLab", "versions": [{"status": "affected", "version": ">=13.1, <13.2.10"}, {"status": "affected", "version": ">=13.3.0, <13.3.7"}, {"status": "affected", "version": ">=13.4.0, <13.4.2"}]}], "credits": [{"lang": "en", "value": "Thanks [@anyday](https://hackerone.com/anyday) for reporting this vulnerability through our HackerOne bug bounty program"}], "descriptions": [{"lang": "en", "value": "A potential DOS vulnerability was discovered in GitLab versions 13.1, 13.2 and 13.3. The api to update an asset as a link from a release had a regex check which caused exponential number of backtracks for certain user supplied values resulting in high CPU usage."}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 4.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L", "version": "3.1"}}], "problemTypes": [{"descriptions": [{"description": "Improper input validation in GitLab", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2020-10-06T18:30:03", "orgId": "ceab7361-8a18-47b1-92ba-4d7d25f6715a", "shortName": "GitLab"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://gitlab.com/gitlab-org/gitlab/-/issues/218753"}, {"tags": ["x_refsource_MISC"], "url": "https://hackerone.com/reports/870820"}, {"tags": ["x_refsource_CONFIRM"], "url": "https://gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-13333.json"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "cve@gitlab.com", "ID": "CVE-2020-13333", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "GitLab", "version": {"version_data": [{"version_value": ">=13.1, <13.2.10"}, {"version_value": ">=13.3.0, <13.3.7"}, {"version_value": ">=13.4.0, <13.4.2"}]}}]}, "vendor_name": "GitLab"}]}}, "credit": [{"lang": "eng", "value": "Thanks [@anyday](https://hackerone.com/anyday) 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": "A potential DOS vulnerability was discovered in GitLab versions 13.1, 13.2 and 13.3. The api to update an asset as a link from a release had a regex check which caused exponential number of backtracks for certain user supplied values resulting in high CPU usage."}]}, "impact": {"cvss": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 4.2, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L", "version": "3.1"}}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "Improper input validation in GitLab"}]}]}, "references": {"reference_data": [{"name": "https://gitlab.com/gitlab-org/gitlab/-/issues/218753", "refsource": "MISC", "url": "https://gitlab.com/gitlab-org/gitlab/-/issues/218753"}, {"name": "https://hackerone.com/reports/870820", "refsource": "MISC", "url": "https://hackerone.com/reports/870820"}, {"name": "https://gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-13333.json", "refsource": "CONFIRM", "url": "https://gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-13333.json"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T12:18:17.569Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://gitlab.com/gitlab-org/gitlab/-/issues/218753"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://hackerone.com/reports/870820"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-13333.json"}]}]}, "cveMetadata": {"assignerOrgId": "ceab7361-8a18-47b1-92ba-4d7d25f6715a", "assignerShortName": "GitLab", "cveId": "CVE-2020-13333", "datePublished": "2020-10-06T18:30:03", "dateReserved": "2020-05-21T00:00:00", "dateUpdated": "2024-08-04T12:18:17.569Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:gitlab:gitlab:13.1.0:*:*:*:community:*:*:*", "matchCriteriaId": "2FBE37DE-E9C5-40DC-8339-200551D68184", "vulnerable": true}, {"criteria": "cpe:2.3:a:gitlab:gitlab:13.1.0:*:*:*:enterprise:*:*:*", "matchCriteriaId": "89B666E9-BE49-44A5-8FE0-1DF2A370A983", "vulnerable": true}, {"criteria": "cpe:2.3:a:gitlab:gitlab:13.2.0:*:*:*:community:*:*:*", "matchCriteriaId": "82900A58-AAF4-4D9C-A91A-3C86DE7A46F4", "vulnerable": true}, {"criteria": "cpe:2.3:a:gitlab:gitlab:13.2.0:*:*:*:enterprise:*:*:*", "matchCriteriaId": "F7C9C545-5519-492A-81D7-AC1EC365167A", "vulnerable": true}, {"criteria": "cpe:2.3:a:gitlab:gitlab:13.3.0:*:*:*:community:*:*:*", "matchCriteriaId": "3A4E3640-AED5-4318-85B9-91F41264FB09", "vulnerable": true}, {"criteria": "cpe:2.3:a:gitlab:gitlab:13.3.0:*:*:*:enterprise:*:*:*", "matchCriteriaId": "1CF330C9-F018-4F2C-B673-8A38B9434C99", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A potential DOS vulnerability was discovered in GitLab versions 13.1, 13.2 and 13.3. The api to update an asset as a link from a release had a regex check which caused exponential number of backtracks for certain user supplied values resulting in high CPU usage."}, {"lang": "es", "value": "Se detect\u00f3 una potencial vulnerabilidad de DOS en GitLab versiones 13.1, 13.2 y 13.3. La API para actualizar un activo como un enlace desde una versi\u00f3n que ten\u00eda una comprobaci\u00f3n de expresiones regulares que caus\u00f3 un n\u00famero exponencial de retrocesos para determinados valores suministrados por el usuario, resultando en un alto uso de la CPU"}], "id": "CVE-2020-13333", "lastModified": "2020-10-29T20:15:48.197", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "SINGLE", "availabilityImpact": "PARTIAL", "baseScore": 4.0, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:S/C:N/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 8.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 4.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 1.4, "source": "nvd@nist.gov", "type": "Primary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 4.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 1.4, "source": "cve@gitlab.com", "type": "Secondary"}]}, "published": "2020-10-06T19:15:13.257", "references": [{"source": "cve@gitlab.com", "tags": ["Third Party Advisory"], "url": "https://gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-13333.json"}, {"source": "cve@gitlab.com", "tags": ["Broken Link"], "url": "https://gitlab.com/gitlab-org/gitlab/-/issues/218753"}, {"source": "cve@gitlab.com", "tags": ["Exploit", "Third Party Advisory"], "url": "https://hackerone.com/reports/870820"}], "sourceIdentifier": "cve@gitlab.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-400"}], "source": "nvd@nist.gov", "type": "Primary"}]}