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{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:fractal:string\\:\\:compare\\:\\:constanttime:*:*:*:*:*:perl:*:*", "matchCriteriaId": "6FEDD552-E086-43B7-BFC0-87C3F736708D", "versionEndIncluding": "0.321", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "String::Compare::ConstantTime for Perl through 0.321 is vulnerable to timing attacks that allow an attacker to guess the length of a secret string.\n\nAs stated in the documentation: \"If the lengths of the strings are different, because equals returns false right away the size of the secret string may be leaked (but not its contents).\"\n\nThis is similar to\u00a0CVE-2020-36829"}, {"lang": "es", "value": "String::Compare::ConstantTime para Perl hasta la versi\u00f3n 0.321 es vulnerable a ataques de temporizaci\u00f3n que permiten a un atacante adivinar la longitud de una cadena secreta. Como se indica en la documentaci\u00f3n: \"Si las longitudes de las cadenas son diferentes, dado que `equals` devuelve `false` inmediatamente, el tama\u00f1o de la cadena secreta podr\u00eda filtrarse (pero no su contenido). Esto es similar a CVE-2020-36829\"."}], "id": "CVE-2024-13939", "lastModified": "2025-04-11T18:10:56.160", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}, "published": "2025-03-28T03:15:15.720", "references": [{"source": "9b29abf9-4ab0-4765-b253-1875cd9b441e", "tags": ["Technical Description"], "url": "https://metacpan.org/release/FRACTAL/String-Compare-ConstantTime-0.321/view/lib/String/Compare/ConstantTime.pm#TIMING-SIDE-CHANNEL"}], "sourceIdentifier": "9b29abf9-4ab0-4765-b253-1875cd9b441e", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-208"}], "source": "9b29abf9-4ab0-4765-b253-1875cd9b441e", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-203"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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