CVE-2017-12109

An exploitable integer overflow vulnerability exists in the xls_preparseWorkSheet function of libxls 1.4 when handling a MULRK record. A specially crafted XLS file can cause a memory corruption resulting in remote code execution. An attacker can send malicious XLS file to trigger this vulnerability.

CVSS v3 8.8 HIGH
CVSS v2.0 6.8 MEDIUM

8.8^/10

CVSS v3 : HIGH

Vector : AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Exploitability : 2.8 / Impact : 5.9

Attack Vector NETWORK

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
https://www.talosintelligence.com/vulnerability_reports/TALOS-2017-0461	Exploit Third Party Advisory
https://www.talosintelligence.com/vulnerability_reports/TALOS-2017-0461	Exploit Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:libxls_project:libxls:1.4:*:*:*:*:*:*:*

History

21 Nov 2024, 03:08

Type	Values Removed	Values Added
References	~~() https://www.talosintelligence.com/vulnerability_reports/TALOS-2017-0461 - Exploit, Third Party Advisory~~	() https://www.talosintelligence.com/vulnerability_reports/TALOS-2017-0461 - Exploit, Third Party Advisory

Information

Published : 2018-04-24 19:29

Updated : 2024-11-21 03:08

NVD link : CVE-2017-12109

Mitre link : CVE-2017-12109

CVE.ORG link : CVE-2017-12109

JSON object : View

Products Affected

libxls_project

libxls

CWE

CWE-190

Integer Overflow or Wraparound

{"id": "CVE-2017-12109", "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}], "cvssMetricV30": [{"type": "Secondary", "source": "talos-cna@cisco.com", "cvssData": {"scope": "UNCHANGED", "version": "3.0", "baseScore": 8.8, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.0/AV:N/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": 2.8}, {"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.0", "baseScore": 8.8, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.0/AV:N/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": 2.8}]}, "published": "2018-04-24T19:29:01.500", "references": [{"url": "https://www.talosintelligence.com/vulnerability_reports/TALOS-2017-0461", "tags": ["Exploit", "Third Party Advisory"], "source": "talos-cna@cisco.com"}, {"url": "https://www.talosintelligence.com/vulnerability_reports/TALOS-2017-0461", "tags": ["Exploit", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-190"}]}], "descriptions": [{"lang": "en", "value": "An exploitable integer overflow vulnerability exists in the xls_preparseWorkSheet function of libxls 1.4 when handling a MULRK record. A specially crafted XLS file can cause a memory corruption resulting in remote code execution. An attacker can send malicious XLS file to trigger this vulnerability."}, {"lang": "es", "value": "Existe una vulnerabilidad explotable de desbordamiento de enteros en la funci\u00f3n xls_preparseWorkSheet de libxls 1.4 al gestionar un registro MULRK. Un archivo XLS especialmente manipulado puede provocar una corrupci\u00f3n de memoria que dar\u00eda lugar a la ejecuci\u00f3n remota de c\u00f3digo. Un atacante puede enviar un archivo XLS malicioso para provocar esta vulnerabilidad."}], "lastModified": "2024-11-21T03:08:50.873", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:libxls_project:libxls:1.4:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "A5D591F1-0D14-4A24-92A7-239B872148ED"}], "operator": "OR"}]}], "sourceIdentifier": "talos-cna@cisco.com"}