CVE-2021-26618

An improper input validation leading to arbitrary file creation was discovered in ToWord of ToOffice. Remote attackers use this vulnerability to execute arbitrary file included malicious code.

CVSS v3 7.1 HIGH
CVSS v2.0 7.5 HIGH

7.1^/10

CVSS v3 : HIGH

Vector :

Exploitability : 1.8 / Impact : 5.2

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact NONE

Scope UNCHANGED

7.5^/10

CVSS v2.0 : HIGH

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

Exploitability : 10.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://www.krcert.or.kr/krcert/secNoticeView.do?bulletin_writing_sequence=36456	Third Party Advisory VDB Entry
https://www.krcert.or.kr/krcert/secNoticeView.do?bulletin_writing_sequence=36456	Third Party Advisory VDB Entry

Configurations

Configuration 1 (hide)

AND

cpe:2.3:a:tmax:tooffice:*:*:*:*:*:*:*:*

cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*

History

21 Nov 2024, 05:56

Type	Values Removed	Values Added
CVSS	v2 : ~~7.5~~ v3 : ~~9.8~~	v2 : 7.5 v3 : 7.1
References	~~() https://www.krcert.or.kr/krcert/secNoticeView.do?bulletin_writing_sequence=36456 - Third Party Advisory, VDB Entry~~	() https://www.krcert.or.kr/krcert/secNoticeView.do?bulletin_writing_sequence=36456 - Third Party Advisory, VDB Entry

Information

Published : 2022-02-18 18:15

Updated : 2024-11-21 05:56

NVD link : CVE-2021-26618

Mitre link : CVE-2021-26618

CVE.ORG link : CVE-2021-26618

JSON object : View

Products Affected

tmax

tooffice

microsoft

windows

CWE

CWE-20

Improper Input Validation

{"id": "CVE-2021-26618", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 7.5, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "authentication": "NONE", "integrityImpact": "PARTIAL", "accessComplexity": "LOW", "availabilityImpact": "PARTIAL", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 6.4, "baseSeverity": "HIGH", "obtainAllPrivilege": false, "exploitabilityScore": 10.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Secondary", "source": "vuln@krcert.or.kr", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.1, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N", "integrityImpact": "HIGH", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.2, "exploitabilityScore": 1.8}, {"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"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"}, "impactScore": 5.9, "exploitabilityScore": 3.9}]}, "published": "2022-02-18T18:15:09.147", "references": [{"url": "https://www.krcert.or.kr/krcert/secNoticeView.do?bulletin_writing_sequence=36456", "tags": ["Third Party Advisory", "VDB Entry"], "source": "vuln@krcert.or.kr"}, {"url": "https://www.krcert.or.kr/krcert/secNoticeView.do?bulletin_writing_sequence=36456", "tags": ["Third Party Advisory", "VDB Entry"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Secondary", "source": "vuln@krcert.or.kr", "description": [{"lang": "en", "value": "CWE-20"}]}, {"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-20"}]}], "descriptions": [{"lang": "en", "value": "An improper input validation leading to arbitrary file creation was discovered in ToWord of ToOffice. Remote attackers use this vulnerability to execute arbitrary file included malicious code."}, {"lang": "es", "value": "Se ha detectado una comprobaci\u00f3n de entrada inapropiada que conlleva a una creaci\u00f3n de archivos arbitrarios en ToWord de ToOffice. Los atacantes remotos usan esta vulnerabilidad para ejecutar un archivo arbitrario que incluye c\u00f3digo malicioso"}], "lastModified": "2024-11-21T05:56:36.123", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:tmax:tooffice:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "7D360721-F962-48E2-B379-759D4C6D588B", "versionEndExcluding": "3.15.6"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "A2572D17-1DE6-457B-99CC-64AFD54487EA"}], "operator": "OR"}], "operator": "AND"}], "sourceIdentifier": "vuln@krcert.or.kr"}