CVE-2015-8026

Heap-based buffer overflow in the verify_vbr_checksum function in exfatfsck in exfat-utils before 1.2.1 allows remote attackers to cause a denial of service (infinite loop) or possibly execute arbitrary code via a crafted filesystem.

CVSS v3 7.8 HIGH
CVSS v2.0 6.8 MEDIUM

7.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

6.8^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:M/Au:N/C:P/I:P/A:P

Exploitability : 8.6 / Impact : 6.4

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
http://www.openwall.com/lists/oss-security/2015/10/29/13	Mailing List Patch Third Party Advisory
http://www.securityfocus.com/bid/77307	Third Party Advisory VDB Entry
https://blog.fuzzing-project.org/25-Heap-overflow-and-endless-loop-in-exfatfsck-exfat-utils.html	Third Party Advisory
https://github.com/relan/exfat/commit/2e86ae5f81da11f11673d0546efb525af02b7786	Issue Tracking Patch Third Party Advisory
https://github.com/relan/exfat/issues/5	Issue Tracking Patch Third Party Advisory
https://security.gentoo.org/glsa/201612-31	Patch Third Party Advisory VDB Entry

Configurations

Configuration 1 (hide)

cpe:2.3:a:exfat_project:exfat:*:*:*:*:*:*:*:*

History

No history.

Information

Published : 2017-03-27 15:59

Updated : 2024-02-28 15:44

NVD link : CVE-2015-8026

Mitre link : CVE-2015-8026

CVE.ORG link : CVE-2015-8026

JSON object : View

Products Affected

exfat_project

exfat

CWE

CWE-119

Improper Restriction of Operations within the Bounds of a Memory Buffer

{"id": "CVE-2015-8026", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 6.8, "accessVector": "NETWORK", "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P", "authentication": "NONE", "integrityImpact": "PARTIAL", "accessComplexity": "MEDIUM", "availabilityImpact": "PARTIAL", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 6.4, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 8.6, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": true}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.8, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 1.8}]}, "published": "2017-03-27T15:59:00.170", "references": [{"url": "http://www.openwall.com/lists/oss-security/2015/10/29/13", "tags": ["Mailing List", "Patch", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "http://www.securityfocus.com/bid/77307", "tags": ["Third Party Advisory", "VDB Entry"], "source": "cve@mitre.org"}, {"url": "https://blog.fuzzing-project.org/25-Heap-overflow-and-endless-loop-in-exfatfsck-exfat-utils.html", "tags": ["Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://github.com/relan/exfat/commit/2e86ae5f81da11f11673d0546efb525af02b7786", "tags": ["Issue Tracking", "Patch", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://github.com/relan/exfat/issues/5", "tags": ["Issue Tracking", "Patch", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://security.gentoo.org/glsa/201612-31", "tags": ["Patch", "Third Party Advisory", "VDB Entry"], "source": "cve@mitre.org"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-119"}]}], "descriptions": [{"lang": "en", "value": "Heap-based buffer overflow in the verify_vbr_checksum function in exfatfsck in exfat-utils before 1.2.1 allows remote attackers to cause a denial of service (infinite loop) or possibly execute arbitrary code via a crafted filesystem."}, {"lang": "es", "value": "Desbordamiento de b\u00fafer basado en memoria din\u00e1mica en la funci\u00f3n verify_vbr_checksum en exfatfsck en exfat-utils en versiones anteriores a 1.2.1 permite a atacantes remotos provocar una denegaci\u00f3n de servicio (bucle infinito) o posiblemente ejecutar c\u00f3digo arbitrario a trav\u00e9s de un sistema de archivos manipulado."}], "lastModified": "2021-06-03T19:47:50.067", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:exfat_project:exfat:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "96104A66-4DF9-4D68-BB4D-F542C13360FD", "versionEndIncluding": "1.2.0"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}