CVE-2020-18897

An use-after-free vulnerability in the libpff_item_tree_create_node function of libyal Libpff before 20180623 allows attackers to cause a denial of service (DOS) or execute arbitrary code via a crafted pff file.

CVSS v3 7.8 HIGH
CVSS v2.0 4.4 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

4.4^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 3.4 / Impact : 6.4

Access Vector LOCAL

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://github.com/libyal/libpff/issues/61	Exploit Issue Tracking Patch Third Party Advisory
https://github.com/libyal/libpff/issues/62	Exploit Issue Tracking Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:libpff_project:libpff:*:*:*:*:*:*:*:*

History

No history.

Information

Published : 2021-08-19 22:15

Updated : 2021-08-23 20:23

NVD link : CVE-2020-18897

Mitre link : CVE-2020-18897

CVE.ORG link : CVE-2020-18897

JSON object : View

Products Affected

libpff_project

libpff

CWE

CWE-416

Use After Free

{"id": "CVE-2020-18897", "cveTags": [], "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 4.4, "accessVector": "LOCAL", "vectorString": "AV:L/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": 3.4, "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": "2021-08-19T22:15:07.167", "references": [{"url": "https://github.com/libyal/libpff/issues/61", "tags": ["Exploit", "Issue Tracking", "Patch", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://github.com/libyal/libpff/issues/62", "tags": ["Exploit", "Issue Tracking", "Third Party Advisory"], "source": "cve@mitre.org"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-416"}]}], "descriptions": [{"lang": "en", "value": "An use-after-free vulnerability in the libpff_item_tree_create_node function of libyal Libpff before 20180623 allows attackers to cause a denial of service (DOS) or execute arbitrary code via a crafted pff file."}, {"lang": "es", "value": "Una vulnerabilidad de uso de memoria previamente liberada en la funci\u00f3n libpff_item_tree_create_node de libyal Libpff versiones anteriores a 20180623, permite a atacantes causar una denegaci\u00f3n de servicio (DOS) o ejecutar c\u00f3digo arbitrario por medio de un archivo pff dise\u00f1ado."}], "lastModified": "2021-08-23T20:23:59.173", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:libpff_project:libpff:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "C867046F-40C7-4DAB-AA00-41D98803F26D", "versionEndExcluding": "20180623"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}