{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2025-24371", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2025-01-20T15:18:26.991Z", "datePublished": "2025-02-03T21:20:56.024Z", "dateUpdated": "2025-02-04T19:16:21.174Z"}, "containers": {"cna": {"title": "Malicious peer can make node stuck in blocksync in github.com/cometbft/cometbft", "problemTypes": [{"descriptions": [{"cweId": "CWE-703", "lang": "en", "description": "CWE-703: Improper Check or Handling of Exceptional Conditions", "type": "CWE"}]}], "metrics": [{"cvssV4_0": {"attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "LOW", "userInteraction": "NONE", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "vulnAvailabilityImpact": "HIGH", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "baseScore": 7.1, "baseSeverity": "HIGH", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N", "version": "4.0"}}], "references": [{"name": "https://github.com/cometbft/cometbft/security/advisories/GHSA-22qq-3xwm-r5x4", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/cometbft/cometbft/security/advisories/GHSA-22qq-3xwm-r5x4"}, {"name": "https://github.com/cometbft/cometbft/releases/tag/v0.38.17", "tags": ["x_refsource_MISC"], "url": "https://github.com/cometbft/cometbft/releases/tag/v0.38.17"}, {"name": "https://github.com/cometbft/cometbft/releases/tag/v1.0.1", "tags": ["x_refsource_MISC"], "url": "https://github.com/cometbft/cometbft/releases/tag/v1.0.1"}], "affected": [{"vendor": "cometbft", "product": "cometbft", "versions": [{"version": "< 0.38.17", "status": "affected"}, {"version": "= 1.0.0", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2025-02-03T21:20:56.024Z"}, "descriptions": [{"lang": "en", "value": "CometBFT is a distributed, Byzantine fault-tolerant, deterministic state machine replication engine. In the `blocksync` protocol peers send their `base` and `latest` heights when they connect to a new node (`A`), which is syncing to the tip of a network. `base` acts as a lower ground and informs `A` that the peer only has blocks starting from height `base`. `latest` height informs `A` about the latest block in a network. Normally, nodes would only report increasing heights. If `B` fails to provide the latest block, `B` is removed and the `latest` height (target height) is recalculated based on other nodes `latest` heights. The existing code however doesn't check for the case where `B` first reports `latest` height `X` and immediately after height `Y`, where `X > Y`. `A` will be trying to catch up to 2000 indefinitely. This condition requires the introduction of malicious code in the full node first reporting some non-existing `latest` height, then reporting lower `latest` height and nodes which are syncing using `blocksync` protocol. This issue has been patched in versions 1.0.1 and 0.38.17 and all users are advised to upgrade. Operators may attempt to ban malicious peers from the network as a workaround."}], "source": {"advisory": "GHSA-22qq-3xwm-r5x4", "discovery": "UNKNOWN"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2025-02-04T19:15:05.677855Z", "id": "CVE-2025-24371", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-02-04T19:16:21.174Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2025-24371", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2025-02-04T19:15:05.677855Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-02-04T19:16:10.482Z"}}], "cna": {"title": "Malicious peer can make node stuck in blocksync in github.com/cometbft/cometbft", "source": {"advisory": "GHSA-22qq-3xwm-r5x4", "discovery": "UNKNOWN"}, "metrics": [{"cvssV4_0": {"version": "4.0", "baseScore": 7.1, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N", "userInteraction": "NONE", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "LOW", "subIntegrityImpact": "NONE", "vulnIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "vulnAvailabilityImpact": "HIGH", "subConfidentialityImpact": "NONE", "vulnConfidentialityImpact": "NONE"}}], "affected": [{"vendor": "cometbft", "product": "cometbft", "versions": [{"status": "affected", "version": "< 0.38.17"}, {"status": "affected", "version": "= 1.0.0"}]}], "references": [{"url": "https://github.com/cometbft/cometbft/security/advisories/GHSA-22qq-3xwm-r5x4", "name": "https://github.com/cometbft/cometbft/security/advisories/GHSA-22qq-3xwm-r5x4", "tags": ["x_refsource_CONFIRM"]}, {"url": "https://github.com/cometbft/cometbft/releases/tag/v0.38.17", "name": "https://github.com/cometbft/cometbft/releases/tag/v0.38.17", "tags": ["x_refsource_MISC"]}, {"url": "https://github.com/cometbft/cometbft/releases/tag/v1.0.1", "name": "https://github.com/cometbft/cometbft/releases/tag/v1.0.1", "tags": ["x_refsource_MISC"]}], "descriptions": [{"lang": "en", "value": "CometBFT is a distributed, Byzantine fault-tolerant, deterministic state machine replication engine. In the `blocksync` protocol peers send their `base` and `latest` heights when they connect to a new node (`A`), which is syncing to the tip of a network. `base` acts as a lower ground and informs `A` that the peer only has blocks starting from height `base`. `latest` height informs `A` about the latest block in a network. Normally, nodes would only report increasing heights. If `B` fails to provide the latest block, `B` is removed and the `latest` height (target height) is recalculated based on other nodes `latest` heights. The existing code however doesn't check for the case where `B` first reports `latest` height `X` and immediately after height `Y`, where `X > Y`. `A` will be trying to catch up to 2000 indefinitely. This condition requires the introduction of malicious code in the full node first reporting some non-existing `latest` height, then reporting lower `latest` height and nodes which are syncing using `blocksync` protocol. This issue has been patched in versions 1.0.1 and 0.38.17 and all users are advised to upgrade. Operators may attempt to ban malicious peers from the network as a workaround."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-703", "description": "CWE-703: Improper Check or Handling of Exceptional Conditions"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2025-02-03T21:20:56.024Z"}}}, "cveMetadata": {"cveId": "CVE-2025-24371", "state": "PUBLISHED", "dateUpdated": "2025-02-04T19:16:21.174Z", "dateReserved": "2025-01-20T15:18:26.991Z", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "datePublished": "2025-02-03T21:20:56.024Z", "assignerShortName": "GitHub_M"}, "dataVersion": "5.1"}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "CometBFT is a distributed, Byzantine fault-tolerant, deterministic state machine replication engine. In the `blocksync` protocol peers send their `base` and `latest` heights when they connect to a new node (`A`), which is syncing to the tip of a network. `base` acts as a lower ground and informs `A` that the peer only has blocks starting from height `base`. `latest` height informs `A` about the latest block in a network. Normally, nodes would only report increasing heights. If `B` fails to provide the latest block, `B` is removed and the `latest` height (target height) is recalculated based on other nodes `latest` heights. The existing code however doesn't check for the case where `B` first reports `latest` height `X` and immediately after height `Y`, where `X > Y`. `A` will be trying to catch up to 2000 indefinitely. This condition requires the introduction of malicious code in the full node first reporting some non-existing `latest` height, then reporting lower `latest` height and nodes which are syncing using `blocksync` protocol. This issue has been patched in versions 1.0.1 and 0.38.17 and all users are advised to upgrade. Operators may attempt to ban malicious peers from the network as a workaround."}, {"lang": "es", "value": "CometBFT es un motor de replicaci\u00f3n de m\u00e1quina de estados determinista, tolerante a fallas bizantinas y distribuido. En el protocolo `blocksync`, los pares env\u00edan sus alturas `base` y `latest` cuando se conectan a un nuevo nodo (`A`), que se sincroniza con la punta de una red. `base` act\u00faa como una base inferior e informa a `A` que el par solo tiene bloques que comienzan con la altura `base`. La altura `latest` informa a `A` sobre el \u00faltimo bloque en una red. Normalmente, los nodos solo informar\u00edan alturas crecientes. Si `B` no proporciona el \u00faltimo bloque, `B` se elimina y la altura `latest` (altura objetivo) se recalcula en funci\u00f3n de las alturas `latest` de otros nodos. Sin embargo, el c\u00f3digo existente no verifica el caso en el que `B` primero informa la `latest` altura `X` e inmediatamente despu\u00e9s la altura `Y`, donde `X &gt; Y`. `A` intentar\u00e1 alcanzar el 2000 indefinidamente. Esta condici\u00f3n requiere la introducci\u00f3n de c\u00f3digo malicioso en el nodo completo que primero informa una altura `latest` inexistente, luego informa una altura `latest` menor y nodos que se sincronizan mediante el protocolo `blocksync`. Este problema se ha corregido en las versiones 1.0.1 y 0.38.17 y se recomienda a todos los usuarios que actualicen. Los operadores pueden intentar prohibir el acceso de pares maliciosos a la red como workaround."}], "id": "CVE-2025-24371", "lastModified": "2026-04-15T00:35:42.020", "metrics": {"cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 7.1, "baseSeverity": "HIGH", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "LOW", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/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", "version": "4.0", "vulnAvailabilityImpact": "HIGH", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "security-advisories@github.com", "type": "Secondary"}]}, "published": "2025-02-03T22:15:28.460", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/cometbft/cometbft/releases/tag/v0.38.17"}, {"source": "security-advisories@github.com", "url": "https://github.com/cometbft/cometbft/releases/tag/v1.0.1"}, {"source": "security-advisories@github.com", "url": "https://github.com/cometbft/cometbft/security/advisories/GHSA-22qq-3xwm-r5x4"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-703"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

{}

{"created": "2025-07-13T11:07:12.233036+00:00", "updated": "2025-07-13T11:07:12.233086+00:00", "vendors": ["cometbft", "cometbft$PRODUCT$cometbft"]}