{"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": "2026-06-12T13:19:15.900Z"}, "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"}}}}

{}

{"cveTags": [], "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."}], "id": "CVE-2017-20240", "lastModified": "2026-06-12T14:16:28.660", "metrics": {}, "published": "2026-06-12T14:16:28.660", "references": [{"source": "9b29abf9-4ab0-4765-b253-1875cd9b441e", "url": "https://github.com/arodland/Crypt-PBKDF2/pull/6"}, {"source": "9b29abf9-4ab0-4765-b253-1875cd9b441e", "url": "https://metacpan.org/release/ARODLAND/Crypt-PBKDF2-0.161520/source/lib/Crypt/PBKDF2.pm#L123-148"}, {"source": "9b29abf9-4ab0-4765-b253-1875cd9b441e", "url": "https://metacpan.org/release/ARODLAND/Crypt-PBKDF2-0.261630/changes"}], "sourceIdentifier": "9b29abf9-4ab0-4765-b253-1875cd9b441e", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-208"}], "source": "9b29abf9-4ab0-4765-b253-1875cd9b441e", "type": "Secondary"}]}

{}

{}