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{"cveTags": [], "descriptions": [{"lang": "en", "value": "Crypt::CBC versions between 1.21 and 3.05 for Perl may use the rand() function as the default source of entropy, which is not cryptographically secure, for cryptographic functions.\n\nThis issue affects operating systems where \"/dev/urandom'\" is unavailable.\u00a0 In that case, Crypt::CBC will fallback to use the insecure rand() function."}, {"lang": "es", "value": "Las versiones de Crypt::CBC entre la 1.21 y la 3.04 para Perl pueden usar la funci\u00f3n rand() como fuente predeterminada de entrop\u00eda, la cual no es criptogr\u00e1ficamente segura, para funciones criptogr\u00e1ficas. Este problema afecta a sistemas operativos donde \"/dev/urandom'\" no est\u00e1 disponible. En ese caso, Crypt::CBC recurrir\u00e1 a la funci\u00f3n rand(), que no es segura."}], "id": "CVE-2025-2814", "lastModified": "2025-09-05T14:15:44.323", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "LOW", "baseScore": 4.0, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L", "version": "3.1"}, "exploitabilityScore": 2.5, "impactScore": 1.4, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}, "published": "2025-04-13T00:15:14.997", "references": [{"source": "9b29abf9-4ab0-4765-b253-1875cd9b441e", "url": "https://github.com/lstein/Lib-Crypt-CBC/commit/37111f7cd894bcec46156ba7f40a49c126ebf535.patch"}, {"source": "9b29abf9-4ab0-4765-b253-1875cd9b441e", "url": "https://metacpan.org/dist/Crypt-CBC/source/lib/Crypt/CBC.pm#L777"}, {"source": "9b29abf9-4ab0-4765-b253-1875cd9b441e", "url": "https://perldoc.perl.org/functions/rand"}, {"source": "9b29abf9-4ab0-4765-b253-1875cd9b441e", "url": "https://security.metacpan.org/docs/guides/random-data-for-security.html"}], "sourceIdentifier": "9b29abf9-4ab0-4765-b253-1875cd9b441e", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-329"}, {"lang": "en", "value": "CWE-331"}, {"lang": "en", "value": "CWE-338"}], "source": "9b29abf9-4ab0-4765-b253-1875cd9b441e", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-338"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

{"bugzilla": {"description": "Crypt-CBC: Crypt::CBC versions between 1.21 and 3.04 for Perl may use insecure rand() function for cryptographic functions", "id": "2359259", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2359259"}, "csaw": false, "cvss3": {"cvss3_base_score": "4.8", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N", "status": "draft"}, "cwe": "CWE-338", "details": ["Crypt::CBC versions between 1.21 and 3.05 for Perl may use the rand() function as the default source of entropy, which is not cryptographically secure, for cryptographic functions.\nThis issue affects operating systems where \"/dev/urandom'\" is unavailable.\u00a0 In that case, Crypt::CBC will fallback to use the insecure rand() function.", "A flaw was found in Crypt::CBC. Affected versions of Perl may use the rand() function as the default source of entropy, which is not cryptographically secure, for cryptographic functions. This issue affects operating systems where \"/dev/urandom'\" is unavailable.\u00a0 In that case, Crypt::CBC will fall back to using the insecure rand() function."], "mitigation": {"lang": "en:us", "value": "Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability."}, "name": "CVE-2025-2814", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "perl-Crypt-CBC", "product_name": "Red Hat Enterprise Linux 7"}], "public_date": "2025-04-12T23:41:48Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2025-2814\nhttps://nvd.nist.gov/vuln/detail/CVE-2025-2814\nhttps://metacpan.org/dist/Crypt-CBC/source/lib/Crypt/CBC.pm#L777\nhttps://perldoc.perl.org/functions/rand\nhttps://security.metacpan.org/docs/guides/random-data-for-security.html"], "threat_severity": "Moderate"}