{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2025-40925", "assignerOrgId": "9b29abf9-4ab0-4765-b253-1875cd9b441e", "state": "PUBLISHED", "assignerShortName": "CPANSec", "dateReserved": "2025-04-16T09:05:34.362Z", "datePublished": "2025-09-20T12:31:34.353Z", "dateUpdated": "2025-09-20T12:31:34.353Z"}, "containers": {"cna": {"affected": [{"collectionURL": "https://cpan.org/modules", "defaultStatus": "unaffected", "packageName": "Starch", "product": "Starch", "programFiles": ["lib/Starch/Manager.pm"], "repo": "https://github.com/bluefeet/Starch", "vendor": "BLUEFEET", "versions": [{"lessThanOrEqual": "0.14", "status": "affected", "version": "0.01", "versionType": "custom"}]}], "descriptions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "<div>Starch versions 0.14 and earlier generate session ids insecurely.</div><div>The default session id generator returns a SHA-1 hash seeded with a counter, the epoch time,&nbsp;the built-in rand function, the PID, and internal Perl reference addresses. The PID will come from a small set of numbers, and the epoch time may be guessed, if it is not leaked from the HTTP Date header. The built-in rand function is unsuitable for cryptographic usage.</div><div>Predicable session ids could allow an attacker to gain access to systems.</div>"}], "value": "Starch versions 0.14 and earlier generate session ids insecurely.\n\nThe default session id generator returns a SHA-1 hash seeded with a counter, the epoch time, the built-in rand function, the PID, and internal Perl reference addresses. The PID will come from a small set of numbers, and the epoch time may be guessed, if it is not leaked from the HTTP Date header. The built-in rand function is unsuitable for cryptographic usage.\n\nPredicable session ids could allow an attacker to gain access to systems."}], "impacts": [{"capecId": "CAPEC-115", "descriptions": [{"lang": "en", "value": "CAPEC-115 Authentication Bypass"}]}], "problemTypes": [{"descriptions": [{"cweId": "CWE-340", "description": "CWE-340 Generation of Predictable Numbers or Identifiers", "lang": "en", "type": "CWE"}, {"cweId": "CWE-338", "description": "CWE-338 Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG)", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"orgId": "9b29abf9-4ab0-4765-b253-1875cd9b441e", "shortName": "CPANSec", "dateUpdated": "2025-09-20T12:31:34.353Z"}, "references": [{"url": "https://github.com/bluefeet/Starch/pull/5"}, {"tags": ["patch"], "url": "https://github.com/bluefeet/Starch/commit/5573449e64e0660f7ee209d1eab5881d4ccbee3b.patch"}, {"url": "https://metacpan.org/dist/Starch/source/lib/Starch/Manager.pm"}], "source": {"discovery": "UNKNOWN"}, "title": "Starch versions 0.14 and earlier generate session ids insecurely", "x_generator": {"engine": "Vulnogram 0.2.0"}}}}

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