CVE-2025-8846

A vulnerability has been found in NASM Netwide Assember 2.17rc0. Affected is the function parse_line of the file parser.c. The manipulation leads to stack-based buffer overflow. The attack needs to be approached locally. The exploit has been disclosed to the public and may be used.

CVSS v3 5.3 MEDIUM
CVSS v2.0 4.3 MEDIUM

5.3^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.8 / Impact : 3.4

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact LOW

Scope UNCHANGED

4.3^/10

CVSS v2.0 : MEDIUM

Vector : AV:L/AC:L/Au:S/C:P/I:P/A:P

Exploitability : 3.1 / Impact : 6.4

Access Vector LOCAL

Access Complexity LOW

Authentication SINGLE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://bugzilla.nasm.us/show_bug.cgi?id=3392938	Exploit Issue Tracking Vendor Advisory
https://drive.google.com/file/d/1MQGtdnz58vRF2fAeJMJ4VGiBQWXpnqfy/view?usp=drive_link	Exploit
https://vuldb.com/?ctiid.319380	Permissions Required VDB Entry
https://vuldb.com/?id.319380	Third Party Advisory VDB Entry
https://vuldb.com/?submit.623189	Exploit Third Party Advisory VDB Entry
https://bugzilla.nasm.us/show_bug.cgi?id=3392938	Exploit Issue Tracking Vendor Advisory
https://vuldb.com/?submit.623189	Exploit Third Party Advisory VDB Entry

Configurations

Configuration 1 (hide)

cpe:2.3:a:nasm:netwide_assembler:2.17:rc0:*:*:*:*:*:*

History

No history.

Information

Published : 2025-08-11 13:15

Updated : 2025-09-15 14:59

NVD link : CVE-2025-8846

Mitre link : CVE-2025-8846

CVE.ORG link : CVE-2025-8846

JSON object : View

Products Affected

nasm

netwide_assembler

CWE

CWE-119

Improper Restriction of Operations within the Bounds of a Memory Buffer

CWE-121

Stack-based Buffer Overflow

CWE-787

Out-of-bounds Write

{"id": "CVE-2025-8846", "cveTags": [], "metrics": {"cvssMetricV2": [{"type": "Secondary", "source": "[email protected]", "cvssData": {"version": "2.0", "baseScore": 4.3, "accessVector": "LOCAL", "vectorString": "AV:L/AC:L/Au:S/C:P/I:P/A:P", "authentication": "SINGLE", "integrityImpact": "PARTIAL", "accessComplexity": "LOW", "availabilityImpact": "PARTIAL", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 6.4, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 3.1, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Secondary", "source": "[email protected]", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.3, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L", "integrityImpact": "LOW", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "LOW", "privilegesRequired": "LOW", "confidentialityImpact": "LOW"}, "impactScore": 3.4, "exploitabilityScore": 1.8}, {"type": "Primary", "source": "[email protected]", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.8, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 1.8}], "cvssMetricV40": [{"type": "Secondary", "source": "[email protected]", "cvssData": {"Safety": "NOT_DEFINED", "version": "4.0", "Recovery": "NOT_DEFINED", "baseScore": 4.8, "Automatable": "NOT_DEFINED", "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/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", "exploitMaturity": "PROOF_OF_CONCEPT", "providerUrgency": "NOT_DEFINED", "userInteraction": "NONE", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "LOW", "subIntegrityImpact": "NONE", "vulnIntegrityImpact": "LOW", "integrityRequirement": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "vulnAvailabilityImpact": "LOW", "availabilityRequirement": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "subConfidentialityImpact": "NONE", "vulnConfidentialityImpact": "LOW", "confidentialityRequirement": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED"}}]}, "published": "2025-08-11T13:15:39.187", "references": [{"url": "https://bugzilla.nasm.us/show_bug.cgi?id=3392938", "tags": ["Exploit", "Issue Tracking", "Vendor Advisory"], "source": "[email protected]"}, {"url": "https://drive.google.com/file/d/1MQGtdnz58vRF2fAeJMJ4VGiBQWXpnqfy/view?usp=drive_link", "tags": ["Exploit"], "source": "[email protected]"}, {"url": "https://vuldb.com/?ctiid.319380", "tags": ["Permissions Required", "VDB Entry"], "source": "[email protected]"}, {"url": "https://vuldb.com/?id.319380", "tags": ["Third Party Advisory", "VDB Entry"], "source": "[email protected]"}, {"url": "https://vuldb.com/?submit.623189", "tags": ["Exploit", "Third Party Advisory", "VDB Entry"], "source": "[email protected]"}, {"url": "https://bugzilla.nasm.us/show_bug.cgi?id=3392938", "tags": ["Exploit", "Issue Tracking", "Vendor Advisory"], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"}, {"url": "https://vuldb.com/?submit.623189", "tags": ["Exploit", "Third Party Advisory", "VDB Entry"], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "[email protected]", "description": [{"lang": "en", "value": "CWE-119"}, {"lang": "en", "value": "CWE-121"}]}, {"type": "Primary", "source": "[email protected]", "description": [{"lang": "en", "value": "CWE-787"}]}], "descriptions": [{"lang": "en", "value": "A vulnerability has been found in NASM Netwide Assember 2.17rc0. Affected is the function parse_line of the file parser.c. The manipulation leads to stack-based buffer overflow. The attack needs to be approached locally. The exploit has been disclosed to the public and may be used."}, {"lang": "es", "value": "Se ha encontrado una vulnerabilidad en NASM Netwide Assember 2.17rc0. La funci\u00f3n parse_line del archivo parser.c se ve afectada. La manipulaci\u00f3n provoca un desbordamiento del b\u00fafer en la pila. El ataque debe abordarse localmente. Se ha hecho p\u00fablico el exploit y puede que sea utilizado."}], "lastModified": "2025-09-15T14:59:51.370", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:nasm:netwide_assembler:2.17:rc0:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "E7529582-55AB-462E-AB77-C782C6B6A9FB"}], "operator": "OR"}]}], "sourceIdentifier": "[email protected]"}