{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2017-20240","assignerOrgId":"9b29abf9-4ab0-4765-b253-1875cd9b441e","state":"PUBLISHED","assignerShortName":"CPANSec","dateReserved":"2026-05-26T18:23:21.387Z","datePublished":"2026-06-12T13:19:15.900Z","dateUpdated":"2026-06-12T16:59:33.477Z"},"containers":{"cna":{"affected":[{"collectionURL":"https://cpan.org/modules","defaultStatus":"unaffected","packageName":"Crypt-PBKDF2","product":"Crypt::PBKDF2","programRoutines":[{"name":"Crypt::PBKDF2::validate"}],"repo":"https://github.com/arodland/Crypt-PBKDF2","vendor":"ARODLAND","versions":[{"lessThan":"0.261630","status":"affected","version":"0","versionType":"custom"}]}],"descriptions":[{"lang":"en","value":"Crypt::PBKDF2 versions before 0.261630 for Perl are vulnerable to timing attacks.\n\nThese versions use Perl's built-in eq comparison. Discrepancies in timing could be used to guess the underlying derived-key."}],"problemTypes":[{"descriptions":[{"cweId":"CWE-208","description":"CWE-208 Observable Timing Discrepancy","lang":"en","type":"CWE"}]}],"providerMetadata":{"orgId":"9b29abf9-4ab0-4765-b253-1875cd9b441e","shortName":"CPANSec","dateUpdated":"2026-06-12T13:19:15.900Z"},"references":[{"tags":["issue-tracking"],"url":"https://github.com/arodland/Crypt-PBKDF2/pull/6"},{"url":"https://metacpan.org/release/ARODLAND/Crypt-PBKDF2-0.161520/source/lib/Crypt/PBKDF2.pm#L123-148"},{"tags":["release-notes"],"url":"https://metacpan.org/release/ARODLAND/Crypt-PBKDF2-0.261630/changes"}],"solutions":[{"lang":"en","value":"Upgrade to version 0.261630 or later."}],"source":{"discovery":"UNKNOWN"},"timeline":[{"lang":"en","time":"2017-12-11T00:00:00.000Z","value":"Issue reported as pull request"},{"lang":"en","time":"2026-06-11T00:00:00.000Z","value":"Version 0.261630 released with a fix"}],"title":"Crypt::PBKDF2 versions before 0.261630 for Perl are vulnerable to timing attacks","workarounds":[{"lang":"en","value":"Apply the patch from the referenced pull request."}],"x_generator":{"engine":"cpansec-cna-tool 0.1"}},"adp":[{"metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":5.9,"attackVector":"NETWORK","baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N","integrityImpact":"NONE","userInteraction":"NONE","attackComplexity":"HIGH","availabilityImpact":"NONE","privilegesRequired":"NONE","confidentialityImpact":"HIGH"}},{"other":{"type":"ssvc","content":{"timestamp":"2026-06-12T16:06:29.012440Z","id":"CVE-2017-20240","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":"2026-06-12T16:06:56.547Z"}},{"title":"CVE Program Container","references":[{"url":"http://www.openwall.com/lists/oss-security/2026/06/12/3"}],"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2026-06-12T16:59:33.477Z"}}]}}