{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2025-54489", "assignerOrgId": "b86d76f8-0f8a-4a96-a78d-d8abfc7fc29b", "state": "PUBLISHED", "assignerShortName": "talos", "dateReserved": "2025-07-23T14:45:55.835Z", "datePublished": "2025-08-25T13:53:46.340Z", "dateUpdated": "2025-08-25T19:03:12.538Z"}, "containers": {"cna": {"affected": [{"vendor": "The Biosig Project", "product": "libbiosig", "versions": [{"version": "3.9.0", "status": "affected"}, {"version": "Master Branch (35a819fa)", "status": "affected"}]}], "descriptions": [{"lang": "en", "value": "A stack-based buffer overflow vulnerability exists in the MFER parsing functionality of The Biosig Project libbiosig 3.9.0 and Master Branch (35a819fa). A specially crafted MFER file can lead to arbitrary code execution. An attacker can provide a malicious file to trigger this vulnerability.This vulnerability manifests on line 8970 of biosig.c on the current master branch (35a819fa), when the Tag is 63:\r\n\r\n else if (tag==63) {\r\n uint8_t tag2=255, len2=255;\r\n\r\n count = 0;\r\n while ((count<len) && !(FlagInfiniteLength && len2==0 && tag2==0)){\r\n curPos += ifread(&tag2,1,1,hdr);\r\n curPos += ifread(&len2,1,1,hdr);\r\n if (VERBOSE_LEVEL==9)\r\n fprintf(stdout,\"MFER: tag=%3i chan=%2i len=%-4i tag2=%3i len2=%3i curPos=%i %li count=%4i\\n\",tag,chan,len,tag2,len2,curPos,iftell(hdr),(int)count);\r\n\r\n if (FlagInfiniteLength && len2==0 && tag2==0) break;\r\n\r\n count += (2+len2);\r\n curPos += ifread(&buf,1,len2,hdr);\r\n\r\nHere, the number of bytes read is not the Data Length decoded from the current frame in the file (`len`) but rather is a new length contained in a single octet read from the same input file (`len2`). Despite this, a stack-based buffer overflow condition can still occur, as the destination buffer is still `buf`, which has a size of only 128 bytes, while `len2` can be as large as 255."}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "CWE-121: Stack-based Buffer Overflow", "type": "CWE", "cweId": "CWE-121"}]}], "metrics": [{"cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL"}}], "providerMetadata": {"orgId": "b86d76f8-0f8a-4a96-a78d-d8abfc7fc29b", "shortName": "talos", "dateUpdated": "2025-08-25T13:53:46.340Z"}, "references": [{"url": "https://talosintelligence.com/vulnerability_reports/TALOS-2025-2234", "name": "https://talosintelligence.com/vulnerability_reports/TALOS-2025-2234"}], "credits": [{"lang": "en", "value": "Discovered by Mark Bereza and Lilith &gt;_&gt; of Cisco Talos."}]}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2025-08-25T19:03:04.171729Z", "id": "CVE-2025-54489", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"Technical Impact": "total"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-08-25T19:03:12.538Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2025-54489", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2025-08-25T19:03:04.171729Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-08-25T19:03:08.278Z"}}], "cna": {"credits": [{"lang": "en", "value": "Discovered by Mark Bereza and Lilith &gt;_&gt; of Cisco Talos."}], "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 9.8, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}}], "affected": [{"vendor": "The Biosig Project", "product": "libbiosig", "versions": [{"status": "affected", "version": "3.9.0"}, {"status": "affected", "version": "Master Branch (35a819fa)"}]}], "references": [{"url": "https://talosintelligence.com/vulnerability_reports/TALOS-2025-2234", "name": "https://talosintelligence.com/vulnerability_reports/TALOS-2025-2234"}], "descriptions": [{"lang": "en", "value": "A stack-based buffer overflow vulnerability exists in the MFER parsing functionality of The Biosig Project libbiosig 3.9.0 and Master Branch (35a819fa). A specially crafted MFER file can lead to arbitrary code execution. An attacker can provide a malicious file to trigger this vulnerability.This vulnerability manifests on line 8970 of biosig.c on the current master branch (35a819fa), when the Tag is 63:\r\n\r\n else if (tag==63) {\r\n uint8_t tag2=255, len2=255;\r\n\r\n count = 0;\r\n while ((count<len) && !(FlagInfiniteLength && len2==0 && tag2==0)){\r\n curPos += ifread(&tag2,1,1,hdr);\r\n curPos += ifread(&len2,1,1,hdr);\r\n if (VERBOSE_LEVEL==9)\r\n fprintf(stdout,\"MFER: tag=%3i chan=%2i len=%-4i tag2=%3i len2=%3i curPos=%i %li count=%4i\\n\",tag,chan,len,tag2,len2,curPos,iftell(hdr),(int)count);\r\n\r\n if (FlagInfiniteLength && len2==0 && tag2==0) break;\r\n\r\n count += (2+len2);\r\n curPos += ifread(&buf,1,len2,hdr);\r\n\r\nHere, the number of bytes read is not the Data Length decoded from the current frame in the file (`len`) but rather is a new length contained in a single octet read from the same input file (`len2`). Despite this, a stack-based buffer overflow condition can still occur, as the destination buffer is still `buf`, which has a size of only 128 bytes, while `len2` can be as large as 255."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-121", "description": "CWE-121: Stack-based Buffer Overflow"}]}], "providerMetadata": {"orgId": "b86d76f8-0f8a-4a96-a78d-d8abfc7fc29b", "shortName": "talos", "dateUpdated": "2025-08-25T13:53:46.340Z"}}}, "cveMetadata": {"cveId": "CVE-2025-54489", "state": "PUBLISHED", "dateUpdated": "2025-08-25T19:03:12.538Z", "dateReserved": "2025-07-23T14:45:55.835Z", "assignerOrgId": "b86d76f8-0f8a-4a96-a78d-d8abfc7fc29b", "datePublished": "2025-08-25T13:53:46.340Z", "assignerShortName": "talos"}, "dataVersion": "5.1"}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "A stack-based buffer overflow vulnerability exists in the MFER parsing functionality of The Biosig Project libbiosig 3.9.0 and Master Branch (35a819fa). A specially crafted MFER file can lead to arbitrary code execution. An attacker can provide a malicious file to trigger this vulnerability.This vulnerability manifests on line 8970 of biosig.c on the current master branch (35a819fa), when the Tag is 63:\r\n\r\n else if (tag==63) {\r\n uint8_t tag2=255, len2=255;\r\n\r\n count = 0;\r\n while ((count<len) && !(FlagInfiniteLength && len2==0 && tag2==0)){\r\n curPos += ifread(&tag2,1,1,hdr);\r\n curPos += ifread(&len2,1,1,hdr);\r\n if (VERBOSE_LEVEL==9)\r\n fprintf(stdout,\"MFER: tag=%3i chan=%2i len=%-4i tag2=%3i len2=%3i curPos=%i %li count=%4i\\n\",tag,chan,len,tag2,len2,curPos,iftell(hdr),(int)count);\r\n\r\n if (FlagInfiniteLength && len2==0 && tag2==0) break;\r\n\r\n count += (2+len2);\r\n curPos += ifread(&buf,1,len2,hdr);\r\n\r\nHere, the number of bytes read is not the Data Length decoded from the current frame in the file (`len`) but rather is a new length contained in a single octet read from the same input file (`len2`). Despite this, a stack-based buffer overflow condition can still occur, as the destination buffer is still `buf`, which has a size of only 128 bytes, while `len2` can be as large as 255."}], "id": "CVE-2025-54489", "lastModified": "2025-08-25T20:24:45.327", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 5.9, "source": "talos-cna@cisco.com", "type": "Primary"}]}, "published": "2025-08-25T14:15:35.233", "references": [{"source": "talos-cna@cisco.com", "url": "https://talosintelligence.com/vulnerability_reports/TALOS-2025-2234"}], "sourceIdentifier": "talos-cna@cisco.com", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-121"}], "source": "talos-cna@cisco.com", "type": "Primary"}]}

{}

{"created": "2025-08-25T21:53:11.659151+00:00", "updated": "2025-08-25T21:53:11.659206+00:00", "vendors": ["the_biosig_project", "the_biosig_project$PRODUCT$libbiosig"]}