{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2024-49363", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2024-10-14T13:56:34.810Z", "datePublished": "2024-12-18T19:24:34.399Z", "dateUpdated": "2024-12-19T16:46:26.503Z"}, "containers": {"cna": {"title": "Uncontrolled Recursion and Asymmetric Resource Consumption (Amplification) in media/file proxy in Misskey", "problemTypes": [{"descriptions": [{"cweId": "CWE-405", "lang": "en", "description": "CWE-405: Asymmetric Resource Consumption (Amplification)", "type": "CWE"}]}, {"descriptions": [{"cweId": "CWE-674", "lang": "en", "description": "CWE-674: Uncontrolled Recursion", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.4, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:N/A:H", "version": "3.1"}}], "references": [{"name": "https://github.com/misskey-dev/misskey/security/advisories/GHSA-gq5q-c77c-v236", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/misskey-dev/misskey/security/advisories/GHSA-gq5q-c77c-v236"}], "affected": [{"vendor": "misskey-dev", "product": "misskey", "versions": [{"version": "< CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:N/A:H", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2024-12-18T19:24:34.399Z"}, "descriptions": [{"lang": "en", "value": "Misskey is an open source, federated social media platform. In affected versions FileServerService (media proxy) in github.com/misskey-dev/misskey 2024.10.1 or earlier did not detect proxy loops, which allows remote actors to execute a self-propagating reflected/amplified distributed denial-of-service via a maliciously crafted note. FileServerService.prototype.proxyHandler did not check incoming requests are not coming from another proxy server. An attacker can execute an amplified denial-of-service by sending a nested proxy request to the server and end the request with a malicious redirect back to another nested proxy request.\nLeading to unbounded recursion until the original request is timed out. This issue has been addressed in version 2024.11.0-alpha.3. Users are advised to upgrade. Users unable to upgrade may configure the reverse proxy to block requests to the proxy with an empty User-Agent header or one containing Misskey/. An attacker can not effectively modify the User-Agent header without making another request to the server."}], "source": {"advisory": "GHSA-gq5q-c77c-v236", "discovery": "UNKNOWN"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2024-12-19T16:46:18.558266Z", "id": "CVE-2024-49363", "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": "2024-12-19T16:46:26.503Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2024-49363", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2024-12-19T16:46:18.558266Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-12-19T16:46:23.760Z"}}], "cna": {"title": "Uncontrolled Recursion and Asymmetric Resource Consumption (Amplification) in media/file proxy in Misskey", "source": {"advisory": "GHSA-gq5q-c77c-v236", "discovery": "UNKNOWN"}, "metrics": [{"cvssV3_1": {"scope": "CHANGED", "version": "3.1", "baseScore": 7.4, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}}], "affected": [{"vendor": "misskey-dev", "product": "misskey", "versions": [{"status": "affected", "version": "< CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:N/A:H"}]}], "references": [{"url": "https://github.com/misskey-dev/misskey/security/advisories/GHSA-gq5q-c77c-v236", "name": "https://github.com/misskey-dev/misskey/security/advisories/GHSA-gq5q-c77c-v236", "tags": ["x_refsource_CONFIRM"]}], "descriptions": [{"lang": "en", "value": "Misskey is an open source, federated social media platform. In affected versions FileServerService (media proxy) in github.com/misskey-dev/misskey 2024.10.1 or earlier did not detect proxy loops, which allows remote actors to execute a self-propagating reflected/amplified distributed denial-of-service via a maliciously crafted note. FileServerService.prototype.proxyHandler did not check incoming requests are not coming from another proxy server. An attacker can execute an amplified denial-of-service by sending a nested proxy request to the server and end the request with a malicious redirect back to another nested proxy request.\nLeading to unbounded recursion until the original request is timed out. This issue has been addressed in version 2024.11.0-alpha.3. Users are advised to upgrade. Users unable to upgrade may configure the reverse proxy to block requests to the proxy with an empty User-Agent header or one containing Misskey/. An attacker can not effectively modify the User-Agent header without making another request to the server."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-405", "description": "CWE-405: Asymmetric Resource Consumption (Amplification)"}]}, {"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-674", "description": "CWE-674: Uncontrolled Recursion"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2024-12-18T19:24:34.399Z"}}}, "cveMetadata": {"cveId": "CVE-2024-49363", "state": "PUBLISHED", "dateUpdated": "2024-12-19T16:46:26.503Z", "dateReserved": "2024-10-14T13:56:34.810Z", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "datePublished": "2024-12-18T19:24:34.399Z", "assignerShortName": "GitHub_M"}, "dataVersion": "5.1"}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "Misskey is an open source, federated social media platform. In affected versions FileServerService (media proxy) in github.com/misskey-dev/misskey 2024.10.1 or earlier did not detect proxy loops, which allows remote actors to execute a self-propagating reflected/amplified distributed denial-of-service via a maliciously crafted note. FileServerService.prototype.proxyHandler did not check incoming requests are not coming from another proxy server. An attacker can execute an amplified denial-of-service by sending a nested proxy request to the server and end the request with a malicious redirect back to another nested proxy request.\nLeading to unbounded recursion until the original request is timed out. This issue has been addressed in version 2024.11.0-alpha.3. Users are advised to upgrade. Users unable to upgrade may configure the reverse proxy to block requests to the proxy with an empty User-Agent header or one containing Misskey/. An attacker can not effectively modify the User-Agent header without making another request to the server."}], "id": "CVE-2024-49363", "lastModified": "2024-12-18T20:15:23.073", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.4, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 4.0, "source": "[email protected]", "type": "Secondary"}]}, "published": "2024-12-18T20:15:23.073", "references": [{"source": "[email protected]", "url": "https://github.com/misskey-dev/misskey/security/advisories/GHSA-gq5q-c77c-v236"}], "sourceIdentifier": "[email protected]", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-405"}, {"lang": "en", "value": "CWE-674"}], "source": "[email protected]", "type": "Primary"}]}

{}