{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2025-40924","assignerOrgId":"9b29abf9-4ab0-4765-b253-1875cd9b441e","state":"PUBLISHED","assignerShortName":"CPANSec","dateReserved":"2025-04-16T09:05:34.362Z","datePublished":"2025-07-17T13:33:43.739Z","dateUpdated":"2025-07-17T19:53:31.346Z"},"containers":{"cna":{"affected":[{"collectionURL":"https://cpan.org/modules","defaultStatus":"unaffected","packageName":"Catalyst-Plugin-Session","product":"Catalyst::Plugin::Session","repo":"https://github.com/perl-catalyst/Catalyst-Plugin-Session","vendor":"HAARG","versions":[{"lessThan":"0.44","status":"affected","version":"0.01","versionType":"custom"}]}],"descriptions":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"<div>Catalyst::Plugin::Session before version 0.44 for Perl generates session ids insecurely.</div><div>The session id is generated from a (usually SHA-1) hash of a simple counter, the epoch time, the built-in rand function, the PID and the current Catalyst context. This information is of low entropy. 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.<br></div>"}],"value":"Catalyst::Plugin::Session before version 0.44 for Perl generates session ids insecurely.\n\nThe session id is generated from a (usually SHA-1) hash of a simple counter, the epoch time, the built-in rand function, the PID and the current Catalyst context. This information is of low entropy. 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."}],"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","lang":"en","type":"CWE"}]}],"providerMetadata":{"orgId":"9b29abf9-4ab0-4765-b253-1875cd9b441e","shortName":"CPANSec","dateUpdated":"2025-07-17T13:33:43.739Z"},"references":[{"url":"https://metacpan.org/release/HAARG/Catalyst-Plugin-Session-0.43/source/lib/Catalyst/Plugin/Session.pm#L632"},{"tags":["issue-tracking"],"url":"https://github.com/perl-catalyst/Catalyst-Plugin-Session/pull/5"},{"tags":["patch"],"url":"https://github.com/perl-catalyst/Catalyst-Plugin-Session/commit/c0e2b4ab1e42ebce1008286db8c571b6ee98c22c.patch"}],"solutions":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"Users are advised to upgrade to Catalyst-Plugin-Session version 0.44 or later."}],"value":"Users are advised to upgrade to Catalyst-Plugin-Session version 0.44 or later."}],"source":{"discovery":"UNKNOWN"},"title":"Catalyst::Plugin::Session before version 0.44 for Perl generates session ids insecurely","x_generator":{"engine":"Vulnogram 0.2.0"}},"adp":[{"metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":6.5,"attackVector":"NETWORK","baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","integrityImpact":"LOW","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"NONE","privilegesRequired":"NONE","confidentialityImpact":"LOW"}},{"other":{"type":"ssvc","content":{"timestamp":"2025-07-17T19:51:00.779304Z","id":"CVE-2025-40924","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2025-07-17T19:53:31.346Z"}}]}}