CVE-2022-21195 - Vulnerability Details - OpenCVE

Description

All versions of package url-regex are vulnerable to Regular Expression Denial of Service (ReDoS) which can cause the CPU usage to crash.

Published: 2022-05-20

Score: 5.3 Medium

EPSS: < 1% Very Low

KEV: No

Impact:

Action:

Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

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

Vendor Product Default status Versions

n/a

url-regex

affected

Version	Status	Constraints
`0`	affected	< unspecified

Configuration 1 [-]

cpe:2.3:a:url-regex_project:url-regex:*:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

Sign in to view the affected projects.

Advisories

Source	ID	Title
EUVD	EUVD-2022-4139	All versions of package url-regex are vulnerable to Regular Expression Denial of Service (ReDoS) which can cause the CPU usage to crash.
Github GHSA	GHSA-hg3w-7hj9-m3f7	Regular expression denial of service in url_regex

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

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 None

Confidentiality Impact None

Integrity Impact None

Availability Impact Partial

This CVE is not in the KEV list.

The EPSS score is 0.00334.

Key SSVC decision points have not yet been added.

References

Link	Providers
https://github.com/AlexFlipnote/url_regex/blob/master/url_regex/url_regex.py
https://snyk.io/vuln/SNYK-PYTHON-URLREGEX-2347643

History

No history.

Subscriptions

Url-regex Project Url-regex

MITRE

Status: PUBLISHED

Assigner: snyk

Published: 2022-05-20T20:00:14.033Z

Updated: 2024-09-16T20:47:32.328Z

Reserved: 2022-02-24T00:00:00.000Z

Link: CVE-2022-21195

Vulnrichment

No data.

NVD

Status : Modified

Published: 2022-05-20T20:15:09.827

Modified: 2024-11-21T06:44:04.543

Link: CVE-2022-21195

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-1333

{"containers": {"cna": {"affected": [{"product": "url-regex", "vendor": "n/a", "versions": [{"lessThan": "unspecified", "status": "affected", "version": "0", "versionType": "custom"}]}], "credits": [{"lang": "en", "value": "yousukezan"}], "datePublic": "2022-05-20T00:00:00.000Z", "descriptions": [{"lang": "en", "value": "All versions of package url-regex are vulnerable to Regular Expression Denial of Service (ReDoS) which can cause the CPU usage to crash."}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L", "version": "3.1"}}], "problemTypes": [{"descriptions": [{"description": "Regular Expression Denial of Service (ReDoS)", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2022-05-20T20:00:13.000Z", "orgId": "bae035ff-b466-4ff4-94d0-fc9efd9e1730", "shortName": "snyk"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://snyk.io/vuln/SNYK-PYTHON-URLREGEX-2347643"}, {"tags": ["x_refsource_MISC"], "url": "https://github.com/AlexFlipnote/url_regex/blob/master/url_regex/url_regex.py"}], "title": "Regular Expression Denial of Service (ReDoS)", "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "report@snyk.io", "DATE_PUBLIC": "2022-05-20T20:00:01.861064Z", "ID": "CVE-2022-21195", "STATE": "PUBLIC", "TITLE": "Regular Expression Denial of Service (ReDoS)"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "url-regex", "version": {"version_data": [{"version_affected": ">=", "version_value": "0"}]}}]}, "vendor_name": "n/a"}]}}, "credit": [{"lang": "eng", "value": "yousukezan"}], "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "All versions of package url-regex are vulnerable to Regular Expression Denial of Service (ReDoS) which can cause the CPU usage to crash."}]}, "impact": {"cvss": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L", "version": "3.1"}}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "Regular Expression Denial of Service (ReDoS)"}]}]}, "references": {"reference_data": [{"name": "https://snyk.io/vuln/SNYK-PYTHON-URLREGEX-2347643", "refsource": "MISC", "url": "https://snyk.io/vuln/SNYK-PYTHON-URLREGEX-2347643"}, {"name": "https://github.com/AlexFlipnote/url_regex/blob/master/url_regex/url_regex.py", "refsource": "MISC", "url": "https://github.com/AlexFlipnote/url_regex/blob/master/url_regex/url_regex.py"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T02:31:59.235Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://snyk.io/vuln/SNYK-PYTHON-URLREGEX-2347643"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://github.com/AlexFlipnote/url_regex/blob/master/url_regex/url_regex.py"}]}]}, "cveMetadata": {"assignerOrgId": "bae035ff-b466-4ff4-94d0-fc9efd9e1730", "assignerShortName": "snyk", "cveId": "CVE-2022-21195", "datePublished": "2022-05-20T20:00:14.033Z", "dateReserved": "2022-02-24T00:00:00.000Z", "dateUpdated": "2024-09-16T20:47:32.328Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:url-regex_project:url-regex:*:*:*:*:*:*:*:*", "matchCriteriaId": "4E568BB4-BE50-4B0C-8F38-2FF8DF24DC98", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "descriptions": [{"lang": "en", "value": "All versions of package url-regex are vulnerable to Regular Expression Denial of Service (ReDoS) which can cause the CPU usage to crash."}, {"lang": "es", "value": "Todas las versiones del paquete url-regex son vulnerables a una Denegaci\u00f3n de Servicio por Expresi\u00f3n Regular (ReDoS) que puede causar el bloqueo del uso de la CPU"}], "id": "CVE-2022-21195", "lastModified": "2024-11-21T06:44:04.543", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 5.0, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 10.0, "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": 5.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 1.4, "source": "report@snyk.io", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2022-05-20T20:15:09.827", "references": [{"source": "report@snyk.io", "tags": ["Exploit", "Third Party Advisory"], "url": "https://github.com/AlexFlipnote/url_regex/blob/master/url_regex/url_regex.py"}, {"source": "report@snyk.io", "tags": ["Exploit", "Third Party Advisory"], "url": "https://snyk.io/vuln/SNYK-PYTHON-URLREGEX-2347643"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Third Party Advisory"], "url": "https://github.com/AlexFlipnote/url_regex/blob/master/url_regex/url_regex.py"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Third Party Advisory"], "url": "https://snyk.io/vuln/SNYK-PYTHON-URLREGEX-2347643"}], "sourceIdentifier": "report@snyk.io", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-1333"}], "source": "nvd@nist.gov", "type": "Primary"}]}