{"id":"CVE-2023-6258","aliases":["DEBIAN-CVE-2023-6258","EUVD-2023-58503","GHSA-phf3-25c6-93hv","UBUNTU-CVE-2023-6258"],"status":"published","title":"Pkcs11-provider: side-channel proofing pkcs#1 1.5 paths","description":"A security vulnerability has been identified in the pkcs11-provider, which is associated with Public-Key Cryptography Standards (PKCS#11). If exploited successfully, this vulnerability could result in a Bleichenbacher-like security flaw, potentially enabling a side-channel attack on PKCS#1 1.5 decryption.","severity":{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00565,"percentile":0.47261,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-1300","CWE-203"],"published":"2024-01-30T16:55:18Z","modified":"2026-10-28T02:30:42Z","fixes":[{"ecosystem":"Debian:13","package":"pkcs11-provider","fixed_in":["0.3-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"pkcs11-provider","fixed_in":["0.3-1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:13","package":"pkcs11-provider","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.3-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"pkcs11-provider","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.3-1"}]}]}],"products":[{"vendor":"fedora","product":"fedora"},{"vendor":"latchset","product":"pkcs11-provider"}],"references":[{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2251062","tags":["issue-tracking","x_refsource_REDHAT","x_transferred","Issue Tracking","Third Party Advisory","report"]},{"url":"https://github.com/latchset/pkcs11-provider/pull/308","tags":["x_transferred","Issue Tracking","Patch","fix","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-6258","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-phf3-25c6-93hv"},{"url":"https://packages.fedoraproject.org/","tags":["web"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/6xxx/CVE-2023-6258.json","tags":["advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2023-6258","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2023-6258","tags":["report"]},{"url":"https://github.com/latchset/pkcs11-provider/commit/de52d24c1b4b0bdc3a49a23db0f3231e209c3c68","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2023-6258","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2023-6258","title":"Pkcs11-provider: side-channel proofing pkcs#1 1.5 paths","description":"A security vulnerability has been identified in the pkcs11-provider, which is associated with Public-Key Cryptography Standards (PKCS#11). If exploited successfully, this vulnerability could result in a Bleichenbacher-like security flaw, potentially enabling a side-channel attack on PKCS#1 1.5 decryption.","status":"published","published":"2024-01-30T16:55:18.733Z","modified":"2025-06-17T21:29:17.985Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-1300"],"updated_at":"2026-11-02T14:35:25.469654Z"}],"euvd":[{"id":"EUVD-2023-58503","description":"A security vulnerability has been identified in the pkcs11-provider, which is associated with Public-Key Cryptography Standards (PKCS#11). If exploited successfully, this vulnerability could result in a Bleichenbacher-like security flaw, potentially enabling a side-channel attack on PKCS#1 1.5 decryption.","status":"published","published":"2024-01-30T16:55:18Z","modified":"2025-06-17T21:29:17Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T20:32:20.512078Z"}],"ghsa":[{"id":"GHSA-phf3-25c6-93hv","title":"A security vulnerability has been identified in the pkcs11-provider, which is associated with...","description":"A security vulnerability has been identified in the pkcs11-provider, which is associated with Public-Key Cryptography Standards (PKCS#11). If exploited successfully, this vulnerability could result in a Bleichenbacher-like security flaw, potentially enabling a side-channel attack on PKCS#1 1.5 decryption.","status":"published","published":"2024-01-30T18:30:20Z","modified":"2026-03-17T05:02:51Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-203","CWE-1300"],"updated_at":"2026-11-02T15:06:39.944141Z"}],"nvd":[{"id":"CVE-2023-6258","description":"A security vulnerability has been identified in the pkcs11-provider, which is associated with Public-Key Cryptography Standards (PKCS#11). If exploited successfully, this vulnerability could result in a Bleichenbacher-like security flaw, potentially enabling a side-channel attack on PKCS#1 1.5 decryption.","status":"published","published":"2024-01-30T17:15:10.657Z","modified":"2026-06-17T06:50:24.64Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"},{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"}],"cwes":["CWE-1300","CWE-203"],"updated_at":"2026-11-02T14:09:04.527564Z"}],"osv":[{"id":"CVE-2023-6258","title":"Pkcs11-provider: side-channel proofing pkcs#1 1.5 paths","description":"A security vulnerability has been identified in the pkcs11-provider, which is associated with Public-Key Cryptography Standards (PKCS#11). If exploited successfully, this vulnerability could result in a Bleichenbacher-like security flaw, potentially enabling a side-channel attack on PKCS#1 1.5 decryption.","status":"published","published":"2024-01-30T16:55:18.733Z","modified":"2026-10-28T02:30:42.46464846Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-1300"],"updated_at":"2026-11-02T15:44:36.851042Z"},{"id":"DEBIAN-CVE-2023-6258","description":"A security vulnerability has been identified in the pkcs11-provider, which is associated with Public-Key Cryptography Standards (PKCS#11). If exploited successfully, this vulnerability could result in a Bleichenbacher-like security flaw, potentially enabling a side-channel attack on PKCS#1 1.5 decryption.","status":"published","published":"2024-01-30T17:15:10.657Z","modified":"2026-10-26T18:03:02.740908926Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:45:41.533064Z"},{"id":"UBUNTU-CVE-2023-6258","description":"A security vulnerability has been identified in the pkcs11-provider, which is associated with Public-Key Cryptography Standards (PKCS#11). If exploited successfully, this vulnerability could result in a Bleichenbacher-like security flaw, potentially enabling a side-channel attack on PKCS#1 1.5 decryption.","status":"withdrawn","published":"2024-01-30T17:15:00Z","modified":"2025-07-16T07:46:41.587552Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"},{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T16:54:41.555387Z"}]}}