{"items":[{"id":"NVI-00007214","kind":"vulnerability","title":"PocketMine-MP server crash due to incorrect EC curve used for LoginPacket identityPublicKey","revision":3,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected.","NVD lastModified does not establish freshness of every associated CPE record."],"lifecycle":"active","identifiers":["GHSA-79rc-jjh6-rc89","CVE-2023-54355"],"plain_summary":"OSV carries this publisher advisory for pocketmine/pocketmine-mp. This is an aggregated source copy; consult the original publisher and compare update dates.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"The original advisory lists fixed boundaries 5.3.1 for pocketmine/pocketmine-mp. Confirm the publisher’s latest guidance.","source_ids":["sr-d3bec3d3679657c8c553f230cee9b3be"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-af3105fa2330d297742312fea9cdec82"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[{"kind":"CVSS","as_of":"2026-10-08T16:16:47.397Z","value":"7.5 HIGH (3.1)","meaning":"disclosure@vulncheck.com severity; no combined Null risk score.","source_id":"sr-6ab39ddccf3efd79285c265fca0a36b6"},{"kind":"CVSS","as_of":"2026-10-08T16:16:47.397Z","value":"8.7 HIGH (4.0)","meaning":"disclosure@vulncheck.com severity; no combined Null risk score.","source_id":"sr-6ab39ddccf3efd79285c265fca0a36b6"},{"kind":"EPSS","as_of":"2026-10-31T12:00:27.000Z","value":"0.383%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.32421. Missing scores are unknown.","source_id":"sr-af3105fa2330d297742312fea9cdec82"}],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-d3bec3d3679657c8c553f230cee9b3be","url":"https://github.com/advisories/GHSA-79rc-jjh6-rc89","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-79rc-jjh6-rc89","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:41:59.947Z"},{"id":"sr-6ab39ddccf3efd79285c265fca0a36b6","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-54355","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2023-54355","publisher":"NIST National Vulnerability Database","observed_at":"2026-11-01T00:58:59.624Z"},{"id":"sr-af3105fa2330d297742312fea9cdec82","url":"https://www.first.org/epss/data.html","basis":"official_catalog","notes":"FIRST EPSS; probability of exploitation in the next 30 days, not local compromise. Dataset date/model retained; FIRST services terms apply.","title":"CVE-2023-54355","publisher":"FIRST EPSS","observed_at":"2026-10-31T22:06:03.704Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-d3bec3d3679657c8c553f230cee9b3be"],"technology":"pocketmine/pocketmine-mp","known_exclusions":[],"conditions_summary":"### Impact\nThe server uses ECDH to calculate a shared secret for the symmetric encryption key used to encrypt network packets after logging in. ECDH requires that the keys used must both belong to the same elliptic curve. In Minecraft: Bedrock Edition, the curve used is `secp384r1`.\n\nUsing any other curve (for example `secp256r1`) to sign the `LoginPacket` JWTs would lead to successfully verifying the login chain, but would later crash due to an uncaught exception during ECDH key derivation due to the client-provided key belonging to a different curve than the server's key. It's also theoretically possible that a non-EC key could be used (e.g. RSA or DH), which would also pass login verification as long as SHA384 hashing algorithm was used for the JWT signatures, and also lead to a crash.\n\n### Patches\nThe problem was fixed in 4.23.1 and 5.3.1 in the following commit: 4e646d19a4a1e0d082bd4d1f5a58ae0182a268d9\nWhile 4.x would not have crashed when this was encountered, the faulty validation code has also been corrected there.\n\n### Workarounds\nA plugin could handle `LoginPacket` and check that all of the `identityPublicKey`s provided in the JWT bodies actually belong to `secp384r1`. Th","public_affected_ranges":["ECOSYSTEM: introduced 5.2.0; fixed 5.3.1"]}],"null_published_at":"2026-11-05T03:52:54.770Z","source_updated_at":"2026-09-10T03:56:12.031Z","source_disclosed_at":"2023-09-14T17:10:01.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Dated EPSS estimate updated; this is not a new disclosure or proof of exploitation.","null_first_observed_at":"2026-10-31T21:41:59.947Z"},{"id":"NVI-00007214","kind":"vulnerability","title":"PocketMine-MP server crash due to incorrect EC curve used for LoginPacket identityPublicKey","revision":2,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected.","NVD lastModified does not establish freshness of every associated CPE record."],"lifecycle":"active","identifiers":["GHSA-79rc-jjh6-rc89","CVE-2023-54355"],"plain_summary":"OSV carries this publisher advisory for pocketmine/pocketmine-mp. This is an aggregated source copy; consult the original publisher and compare update dates.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"The original advisory lists fixed boundaries 5.3.1 for pocketmine/pocketmine-mp. Confirm the publisher’s latest guidance.","source_ids":["sr-d3bec3d3679657c8c553f230cee9b3be"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-6ab39ddccf3efd79285c265fca0a36b6"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[{"kind":"CVSS","as_of":"2026-10-08T16:16:47.397Z","value":"7.5 HIGH (3.1)","meaning":"disclosure@vulncheck.com severity; no combined Null risk score.","source_id":"sr-6ab39ddccf3efd79285c265fca0a36b6"},{"kind":"CVSS","as_of":"2026-10-08T16:16:47.397Z","value":"8.7 HIGH (4.0)","meaning":"disclosure@vulncheck.com severity; no combined Null risk score.","source_id":"sr-6ab39ddccf3efd79285c265fca0a36b6"}],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-d3bec3d3679657c8c553f230cee9b3be","url":"https://github.com/advisories/GHSA-79rc-jjh6-rc89","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-79rc-jjh6-rc89","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:41:59.947Z"},{"id":"sr-6ab39ddccf3efd79285c265fca0a36b6","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-54355","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2023-54355","publisher":"NIST National Vulnerability Database","observed_at":"2026-11-01T00:58:59.624Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-d3bec3d3679657c8c553f230cee9b3be"],"technology":"pocketmine/pocketmine-mp","known_exclusions":[],"conditions_summary":"### Impact\nThe server uses ECDH to calculate a shared secret for the symmetric encryption key used to encrypt network packets after logging in. ECDH requires that the keys used must both belong to the same elliptic curve. In Minecraft: Bedrock Edition, the curve used is `secp384r1`.\n\nUsing any other curve (for example `secp256r1`) to sign the `LoginPacket` JWTs would lead to successfully verifying the login chain, but would later crash due to an uncaught exception during ECDH key derivation due to the client-provided key belonging to a different curve than the server's key. It's also theoretically possible that a non-EC key could be used (e.g. RSA or DH), which would also pass login verification as long as SHA384 hashing algorithm was used for the JWT signatures, and also lead to a crash.\n\n### Patches\nThe problem was fixed in 4.23.1 and 5.3.1 in the following commit: 4e646d19a4a1e0d082bd4d1f5a58ae0182a268d9\nWhile 4.x would not have crashed when this was encountered, the faulty validation code has also been corrected there.\n\n### Workarounds\nA plugin could handle `LoginPacket` and check that all of the `identityPublicKey`s provided in the JWT bodies actually belong to `secp384r1`. Th","public_affected_ranges":["ECOSYSTEM: introduced 5.2.0; fixed 5.3.1"]}],"null_published_at":"2026-11-02T20:21:10.318Z","source_updated_at":"2026-09-10T03:56:12.031Z","source_disclosed_at":"2023-09-14T17:10:01.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Source facts changed; compare the preserved prior revision.","null_first_observed_at":"2026-10-31T21:41:59.947Z"},{"id":"NVI-00007214","kind":"vulnerability","title":"PocketMine-MP server crash due to incorrect EC curve used for LoginPacket identityPublicKey","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-79rc-jjh6-rc89","CVE-2023-54355"],"plain_summary":"OSV carries this publisher advisory for pocketmine/pocketmine-mp. This is an aggregated source copy; consult the original publisher and compare update dates.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"The original advisory lists fixed boundaries 5.3.1 for pocketmine/pocketmine-mp. Confirm the publisher’s latest guidance.","source_ids":["sr-d3bec3d3679657c8c553f230cee9b3be"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-d3bec3d3679657c8c553f230cee9b3be","url":"https://github.com/advisories/GHSA-79rc-jjh6-rc89","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-79rc-jjh6-rc89","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:41:59.947Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-d3bec3d3679657c8c553f230cee9b3be"],"technology":"pocketmine/pocketmine-mp","known_exclusions":[],"conditions_summary":"### Impact\nThe server uses ECDH to calculate a shared secret for the symmetric encryption key used to encrypt network packets after logging in. ECDH requires that the keys used must both belong to the same elliptic curve. In Minecraft: Bedrock Edition, the curve used is `secp384r1`.\n\nUsing any other curve (for example `secp256r1`) to sign the `LoginPacket` JWTs would lead to successfully verifying the login chain, but would later crash due to an uncaught exception during ECDH key derivation due to the client-provided key belonging to a different curve than the server's key. It's also theoretically possible that a non-EC key could be used (e.g. RSA or DH), which would also pass login verification as long as SHA384 hashing algorithm was used for the JWT signatures, and also lead to a crash.\n\n### Patches\nThe problem was fixed in 4.23.1 and 5.3.1 in the following commit: 4e646d19a4a1e0d082bd4d1f5a58ae0182a268d9\nWhile 4.x would not have crashed when this was encountered, the faulty validation code has also been corrected there.\n\n### Workarounds\nA plugin could handle `LoginPacket` and check that all of the `identityPublicKey`s provided in the JWT bodies actually belong to `secp384r1`. Th","public_affected_ranges":["ECOSYSTEM: introduced 5.2.0; fixed 5.3.1"]}],"null_published_at":"2026-10-31T22:13:14.317Z","source_updated_at":"2026-09-10T03:56:12.031Z","source_disclosed_at":"2023-09-14T17:10:01.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"First indexed by Null; source disclosure date is shown separately.","null_first_observed_at":"2026-10-31T21:41:59.947Z"}],"next_cursor":null,"snapshot_revision":"42594"}