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{"cveTags": [], "descriptions": [{"lang": "en", "value": "Versions of the package black before 24.3.0 are vulnerable to Regular Expression Denial of Service (ReDoS) via the lines_with_leading_tabs_expanded function in the strings.py file. An attacker could exploit this vulnerability by crafting a malicious input that causes a denial of service.\r\rExploiting this vulnerability is possible when running Black on untrusted input, or if you habitually put thousands of leading tab characters in your docstrings."}, {"lang": "es", "value": "Las versiones del paquete black anteriores a la 24.3.0 son vulnerables a la denegaci\u00f3n de servicio de expresi\u00f3n regular (ReDoS) a trav\u00e9s de la funci\u00f3nlines_with_leading_tabs_expanded en el archivo strings.py. Un atacante podr\u00eda aprovechar esta vulnerabilidad creando una entrada maliciosa que provoque una denegaci\u00f3n de servicio. Es posible explotar esta vulnerabilidad cuando se ejecuta Black en entradas que no son de confianza o si habitualmente coloca miles de caracteres de tabulaci\u00f3n iniciales en sus cadenas de documentaci\u00f3n."}], "id": "CVE-2024-21503", "lastModified": "2024-07-03T01:46:41.680", "metrics": {"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"}]}, "published": "2024-03-19T05:15:09.447", "references": [{"source": "report@snyk.io", "url": "https://github.com/psf/black/commit/f00093672628d212b8965a8993cee8bedf5fe9b8"}, {"source": "report@snyk.io", "url": "https://github.com/psf/black/releases/tag/24.3.0"}, {"source": "report@snyk.io", "url": "https://security.snyk.io/vuln/SNYK-PYTHON-BLACK-6256273"}], "sourceIdentifier": "report@snyk.io", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-1333"}], "source": "report@snyk.io", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-75"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

{"affected_release": [{"advisory": "RHSA-2024:3781", "cpe": "cpe:/a:redhat:ansible_automation_platform:2.4::el8", "package": "python3x-black-0:22.8.0-2.el8ap", "product_name": "Red Hat Ansible Automation Platform 2.4 for RHEL 8", "release_date": "2024-06-10T00:00:00Z"}, {"advisory": "RHSA-2024:3781", "cpe": "cpe:/a:redhat:ansible_automation_platform:2.4::el9", "package": "python-black-0:22.8.0-2.el9ap", "product_name": "Red Hat Ansible Automation Platform 2.4 for RHEL 9", "release_date": "2024-06-10T00:00:00Z"}], "bugzilla": {"description": "psf/black: ReDoS via the lines_with_leading_tabs_expanded() function in strings.py file", "id": "2270236", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2270236"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.3", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L", "status": "verified"}, "cwe": "CWE-1333", "details": ["Versions of the package black before 24.3.0 are vulnerable to Regular Expression Denial of Service (ReDoS) via the lines_with_leading_tabs_expanded function in the strings.py file. An attacker could exploit this vulnerability by crafting a malicious input that causes a denial of service.\nExploiting this vulnerability is possible when running Black on untrusted input, or if you habitually put thousands of leading tab characters in your docstrings.", "The python-black package is susceptible to a regular expression denial of service (ReDoS) vulnerability, found in the lines_with_leading_tabs_expanded() function within the strings.py file. This vulnerability could be exploited by running Black on untrusted input or by inserting numerous leading tab characters into docstrings. This flaw allows attackers to craft malicious input to trigger a denial of service."], "name": "CVE-2024-21503", "public_date": "2024-03-19T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2024-21503\nhttps://nvd.nist.gov/vuln/detail/CVE-2024-21503\nhttps://github.com/psf/black/commit/f00093672628d212b8965a8993cee8bedf5fe9b8\nhttps://github.com/psf/black/releases/tag/24.3.0\nhttps://security.snyk.io/vuln/SNYK-PYTHON-BLACK-6256273"], "threat_severity": "Moderate", "upstream_fix": "black 24.3.0"}