{"id":"CVE-2024-48915","aliases":["EUVD-2024-3038","GHSA-fmj7-7gfw-64pg"],"status":"published","title":"Agent Dart missing certificate verification checks","description":"Agent Dart is an agent library built for Internet Computer for Dart and Flutter apps. Prior to version 1.0.0-dev.29, certificate verification in `lib/agent/certificate.dart` does not occur properly. During the delegation verification in the `_checkDelegation` function, the canister_ranges aren't verified. The impact of not checking the canister_ranges is that a subnet can sign canister responses in behalf of another subnet. The certificate’s timestamp, i.e /time path, is also not verified, meaning that the certificate effectively has no expiration time. Version 1.0.0-dev.29 implements appropriate certificate verification.","severity":{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00368,"percentile":0.31099,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-295","CWE-347"],"published":"2024-10-15T17:12:31Z","modified":"2026-10-28T02:30:52Z","fixes":[{"ecosystem":"Pub","package":"agent_dart","fixed_in":["1.0.0-dev.29"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"Pub","package":"agent_dart","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"1.0.0-dev.28"},{"fixed":"1.0.0-dev.29"}]}]},{"source":"osv","ecosystem":"Pub","package":"agent_dart","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.0.0-dev.29"}]}],"versions":["0.0.1","0.0.2","0.0.4","0.0.5","0.0.6","0.1.0","0.1.1","0.1.10","0.1.11","0.1.12","0.1.13","0.1.14","0.1.14+1","0.1.15","0.1.15+1","0.1.15+2","0.1.16","0.1.16+1","0.1.16+2","0.1.17","0.1.17+1","0.1.18","0.1.19","0.1.19+1","0.1.19+2","0.1.19+3","0.1.19+4","0.1.2","0.1.21","0.1.22","0.1.22+1","0.1.23","0.1.23+1","0.1.24","0.1.24+1","0.1.3","0.1.4","0.1.5","0.1.6","0.1.7","0.1.8","0.1.9","1.0.0-dev.1","1.0.0-dev.10","1.0.0-dev.11","1.0.0-dev.13","1.0.0-dev.14","1.0.0-dev.15","1.0.0-dev.16","1.0.0-dev.17","1.0.0-dev.18","1.0.0-dev.19","1.0.0-dev.2","1.0.0-dev.20","1.0.0-dev.21","1.0.0-dev.22","1.0.0-dev.23","1.0.0-dev.24","1.0.0-dev.25","1.0.0-dev.26","1.0.0-dev.27","1.0.0-dev.28","1.0.0-dev.3","1.0.0-dev.4","1.0.0-dev.5","1.0.0-dev.6","1.0.0-dev.7","1.0.0-dev.8","1.0.0-dev.9"]}],"products":[{"vendor":"astroxnetwork","product":"agent_dart"}],"references":[{"url":"https://github.com/AstroxNetwork/agent_dart/security/advisories/GHSA-fmj7-7gfw-64pg","tags":["x_refsource_CONFIRM","advisory","web"]},{"url":"https://github.com/AstroxNetwork/agent_dart/commit/0d200686aabcd9313c7bc3e675cbdc82f6b775cf","tags":["x_refsource_MISC","fix","web"]},{"url":"https://github.com/AstroxNetwork/agent_dart/blob/f50971dfae3f536c1720f0084f28afbcf5d99cb5/lib/agent/certificate.dart#L162","tags":["x_refsource_MISC","web"]},{"url":"https://github.com/AstroxNetwork/agent_dart/blob/main/lib/agent/certificate.dart","tags":["x_refsource_MISC","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2024-48915","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-fmj7-7gfw-64pg"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/48xxx/CVE-2024-48915.json","tags":["advisory"]},{"url":"https://github.com/AstroxNetwork/agent_dart","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2024-48915","title":"Agent Dart missing certificate verification checks","description":"Agent Dart is an agent library built for Internet Computer for Dart and Flutter apps. Prior to version 1.0.0-dev.29, certificate verification in `lib/agent/certificate.dart` does not occur properly. During the delegation verification in the `_checkDelegation` function, the canister_ranges aren't verified. The impact of not checking the canister_ranges is that a subnet can sign canister responses in behalf of another subnet. The certificate’s timestamp, i.e /time path, is also not verified, meaning that the certificate effectively has no expiration time. Version 1.0.0-dev.29 implements appropriate certificate verification.","status":"published","published":"2024-10-15T17:12:31.4Z","modified":"2024-11-21T16:53:44.14Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N","level":"high","assessor":"cna"}],"cwes":["CWE-295"],"updated_at":"2026-11-02T14:34:11.97482Z"}],"euvd":[{"id":"EUVD-2024-3038","description":"Agent Dart is an agent library built for Internet Computer for Dart and Flutter apps. Prior to version 1.0.0-dev.29, certificate verification in `lib/agent/certificate.dart` does not occur properly. During the delegation verification in the `_checkDelegation` function, the canister_ranges aren't verified. The impact of not checking the canister_ranges is that a subnet can sign canister responses in behalf of another subnet. The certificate’s timestamp, i.e /time path, is also not verified, meaning that the certificate effectively has no expiration time. Version 1.0.0-dev.29 implements appropriate certificate verification.","status":"published","published":"2024-10-15T17:12:31Z","modified":"2024-11-21T16:53:44Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N","level":"high"}],"updated_at":"2026-11-03T00:04:52.521149Z"}],"ghsa":[{"id":"GHSA-fmj7-7gfw-64pg","title":"Agent Dart is missing certificate verification checks","description":"Certificate verification (in [lib/agent/certificate.dart](https://github.com/AstroxNetwork/agent_dart/blob/main/lib/agent/certificate.dart)) has been found to contain two issues:\n   - During the delegation verification (in [_checkDelegation](https://github.com/AstroxNetwork/agent_dart/blob/f50971dfae3f536c1720f0084f28afbcf5d99cb5/lib/agent/certificate.dart#L162) function) the canister_ranges aren't verified. The impact of not checking the canister_ranges is that a subnet can sign canister responses in behalf of another subnet. You have more details in the IC specification [here](https://internetcomputer.org/docs/current/references/ic-interface-spec#certification-delegation). Also for reference you can check how is this implemented in [the agent-rs](https://github.com/dfinity/agent-rs/blob/608a3f4cfdcdfc5ca1ca74a1b9d33f2137a2d324/ic-agent/src/agent/mod.rs#L903-L914).\n    - The certificate’s timestamp, i.e /time path, is not verified, meaning that the certificate effectively has no expiration time. The [IC spec](https://internetcomputer.org/docs/current/references/ic-interface-spec#http-query) doesn’t specify an expiry times, it gives some suggestions, quoting: \"A reasonable expiry time for timestamps in R.signatures and the certificate Cert is 5 minutes (analogously to the maximum allowed ingress expiry enforced by the IC mainnet). Delegations require expiry times of at least a week since the IC mainnet refreshes the delegations only after replica upgrades which typically happen once a week\". For reference you can check how is this implemented in the agent-rs ([here](https://github.com/dfinity/agent-rs/blob/608a3f4cfdcdfc5ca1ca74a1b9d33f2137a2d324/ic-agent/src/agent/mod.rs#L820) and [here](https://github.com/dfinity/agent-rs/blob/608a3f4cfdcdfc5ca1ca74a1b9d33f2137a2d324/ic-agent/src/agent/mod.rs#L876-L887)).\n\n**Additionally**, seems [replica signed queries](https://internetcomputer.org/blog/features/replica-signed-queries) aren’t implemented","status":"published","published":"2024-10-15T17:33:50Z","modified":"2025-01-23T09:40:22Z","cvss":[{"version":"4.0","score":7.6,"vector":"CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:P/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N","level":"high"},{"version":"3.1","score":0,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:N","level":"none"}],"cwes":["CWE-295","CWE-347"],"updated_at":"2026-11-02T14:38:28.945236Z"}],"nvd":[{"id":"CVE-2024-48915","description":"Agent Dart is an agent library built for Internet Computer for Dart and Flutter apps. Prior to version 1.0.0-dev.29, certificate verification in `lib/agent/certificate.dart` does not occur properly. During the delegation verification in the `_checkDelegation` function, the canister_ranges aren't verified. The impact of not checking the canister_ranges is that a subnet can sign canister responses in behalf of another subnet. The certificate’s timestamp, i.e /time path, is also not verified, meaning that the certificate effectively has no expiration time. Version 1.0.0-dev.29 implements appropriate certificate verification.","status":"published","published":"2024-10-15T17:15:11.943Z","modified":"2026-06-17T07:59:01.83Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"high","assessor":"secondary"}],"cwes":["CWE-295"],"updated_at":"2026-11-02T14:10:31.879321Z"}],"osv":[{"id":"CVE-2024-48915","title":"Agent Dart missing certificate verification checks","description":"Agent Dart is an agent library built for Internet Computer for Dart and Flutter apps. Prior to version 1.0.0-dev.29, certificate verification in `lib/agent/certificate.dart` does not occur properly. During the delegation verification in the `_checkDelegation` function, the canister_ranges aren't verified. The impact of not checking the canister_ranges is that a subnet can sign canister responses in behalf of another subnet. The certificate’s timestamp, i.e /time path, is also not verified, meaning that the certificate effectively has no expiration time. Version 1.0.0-dev.29 implements appropriate certificate verification.","status":"published","published":"2024-10-15T17:12:31.4Z","modified":"2026-10-28T02:30:52.532241723Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N","level":"high"}],"cwes":["CWE-295"],"updated_at":"2026-11-02T15:44:43.597758Z"},{"id":"GHSA-fmj7-7gfw-64pg","title":"Agent Dart is missing certificate verification checks","description":"Certificate verification (in [lib/agent/certificate.dart](https://github.com/AstroxNetwork/agent_dart/blob/main/lib/agent/certificate.dart)) has been found to contain two issues:\n   - During the delegation verification (in [_checkDelegation](https://github.com/AstroxNetwork/agent_dart/blob/f50971dfae3f536c1720f0084f28afbcf5d99cb5/lib/agent/certificate.dart#L162) function) the canister_ranges aren't verified. The impact of not checking the canister_ranges is that a subnet can sign canister responses in behalf of another subnet. You have more details in the IC specification [here](https://internetcomputer.org/docs/current/references/ic-interface-spec#certification-delegation). Also for reference you can check how is this implemented in [the agent-rs](https://github.com/dfinity/agent-rs/blob/608a3f4cfdcdfc5ca1ca74a1b9d33f2137a2d324/ic-agent/src/agent/mod.rs#L903-L914).\n    - The certificate’s timestamp, i.e /time path, is not verified, meaning that the certificate effectively has no expiration time. The [IC spec](https://internetcomputer.org/docs/current/references/ic-interface-spec#http-query) doesn’t specify an expiry times, it gives some suggestions, quoting: \"A reasonable expiry time for timestamps in R.signatures and the certificate Cert is 5 minutes (analogously to the maximum allowed ingress expiry enforced by the IC mainnet). Delegations require expiry times of at least a week since the IC mainnet refreshes the delegations only after replica upgrades which typically happen once a week\". For reference you can check how is this implemented in the agent-rs ([here](https://github.com/dfinity/agent-rs/blob/608a3f4cfdcdfc5ca1ca74a1b9d33f2137a2d324/ic-agent/src/agent/mod.rs#L820) and [here](https://github.com/dfinity/agent-rs/blob/608a3f4cfdcdfc5ca1ca74a1b9d33f2137a2d324/ic-agent/src/agent/mod.rs#L876-L887)).\n\n**Additionally**, seems [replica signed queries](https://internetcomputer.org/blog/features/replica-signed-queries) aren’t implemented","status":"published","published":"2024-10-15T17:33:50Z","modified":"2024-10-15T23:41:01.085916Z","cvss":[{"version":"3.1","score":0,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:N","level":"none"},{"version":"4.0","score":7.6,"vector":"CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:P/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N","level":"high"}],"cwes":["CWE-295","CWE-347"],"updated_at":"2026-11-02T15:46:46.760785Z"}]}}