{"id":"CVE-2016-7037","aliases":["EUVD-2016-7921","GHSA-jqgc-w3wf-c38r"],"status":"published","title":"The verify function in Encryption/Symmetric.php in Malcolm Fell jwt before 1.0.3 does not use a...","description":"The verify function in Encryption/Symmetric.php in Malcolm Fell jwt before 1.0.3 does not use a timing-safe function for hash comparison, which allows attackers to spoof signatures via a timing attack.","severity":{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.00724,"percentile":0.54313,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-361"],"published":"2017-01-23T21:00:00Z","modified":"2026-10-20T10:47:39Z","products":[{"vendor":"emarref","product":"jwt"}],"references":[{"url":"https://github.com/emarref/jwt/pull/20","tags":["x_refsource_CONFIRM","x_transferred","Issue Tracking","Patch","Third Party Advisory","fix"]},{"url":"https://github.com/emarref/jwt/releases/tag/1.0.3","tags":["x_refsource_CONFIRM","x_transferred","Issue Tracking","Patch","Third Party Advisory","fix"]},{"url":"http://www.securityfocus.com/bid/95847","tags":["vdb-entry","x_refsource_BID","x_transferred","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2016-7037"},{"url":"https://github.com/advisories/GHSA-jqgc-w3wf-c38r"}],"sources":{"cve":[{"id":"CVE-2016-7037","description":"The verify function in Encryption/Symmetric.php in Malcolm Fell jwt before 1.0.3 does not use a timing-safe function for hash comparison, which allows attackers to spoof signatures via a timing attack.","status":"published","published":"2017-01-23T21:00:00Z","modified":"2024-08-06T01:50:46.876Z","updated_at":"2026-11-02T14:33:36.483151Z"}],"euvd":[{"id":"EUVD-2016-7921","description":"The verify function in Encryption/Symmetric.php in Malcolm Fell jwt before 1.0.3 does not use a timing-safe function for hash comparison, which allows attackers to spoof signatures via a timing attack.","status":"published","published":"2017-01-23T21:00:00Z","modified":"2024-08-06T01:50:46Z","updated_at":"2026-11-03T02:22:34.587517Z"}],"ghsa":[{"id":"GHSA-jqgc-w3wf-c38r","title":"The verify function in Encryption/Symmetric.php in Malcolm Fell jwt before 1.0.3 does not use a...","description":"The verify function in Encryption/Symmetric.php in Malcolm Fell jwt before 1.0.3 does not use a timing-safe function for hash comparison, which allows attackers to spoof signatures via a timing attack.","status":"published","published":"2022-05-17T03:02:29Z","modified":"2023-01-27T05:06:25Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high"}],"updated_at":"2026-11-02T14:42:54.564328Z"}],"nvd":[{"id":"CVE-2016-7037","description":"The verify function in Encryption/Symmetric.php in Malcolm Fell jwt before 1.0.3 does not use a timing-safe function for hash comparison, which allows attackers to spoof signatures via a timing attack.","status":"published","published":"2017-01-23T21:59:02.487Z","modified":"2026-06-17T00:52:11.763Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:P/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-361"],"updated_at":"2026-11-02T14:03:35.029632Z"}],"osv":[{"id":"CVE-2016-7037","description":"The verify function in Encryption/Symmetric.php in Malcolm Fell jwt before 1.0.3 does not use a timing-safe function for hash comparison, which allows attackers to spoof signatures via a timing attack.","status":"published","published":"2017-01-23T21:59:02.487Z","modified":"2026-10-20T10:47:39.017217971Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high"}],"updated_at":"2026-11-02T15:44:02.776224Z"}]}}