CVE-2019-19720

Yabasic 2.86.1 has a heap-based buffer overflow in the yylex() function in flex.c via a crafted BASIC source file.

CVSS v3 8.8 HIGH
CVSS v2.0 6.8 MEDIUM

8.8^/10

CVSS v3 : HIGH

Vector :

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
http://www.yabasic.de/whatsnew.html	Release Notes Vendor Advisory
https://github.com/marcIhm/yabasic/issues/36	Exploit Third Party Advisory
http://www.yabasic.de/whatsnew.html	Release Notes Vendor Advisory
https://github.com/marcIhm/yabasic/issues/36	Exploit Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:yabasic:yabasic:2.86.1:*:*:*:*:*:*:*

History

21 Nov 2024, 04:35

Type	Values Removed	Values Added
References	~~() http://www.yabasic.de/whatsnew.html - Release Notes, Vendor Advisory~~	() http://www.yabasic.de/whatsnew.html - Release Notes, Vendor Advisory
References	~~() https://github.com/marcIhm/yabasic/issues/36 - Exploit, Third Party Advisory~~	() https://github.com/marcIhm/yabasic/issues/36 - Exploit, Third Party Advisory

Information

Published : 2019-12-11 04:15

Updated : 2024-11-21 04:35

NVD link : CVE-2019-19720

Mitre link : CVE-2019-19720

CVE.ORG link : CVE-2019-19720

JSON object : View

Products Affected

yabasic

yabasic

CWE

CWE-787

Out-of-bounds Write

{"id": "CVE-2019-19720", "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": 8.8, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/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": "2019-12-11T04:15:10.667", "references": [{"url": "http://www.yabasic.de/whatsnew.html", "tags": ["Release Notes", "Vendor Advisory"], "source": "cve@mitre.org"}, {"url": "https://github.com/marcIhm/yabasic/issues/36", "tags": ["Exploit", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "http://www.yabasic.de/whatsnew.html", "tags": ["Release Notes", "Vendor Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://github.com/marcIhm/yabasic/issues/36", "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-787"}]}], "descriptions": [{"lang": "en", "value": "Yabasic 2.86.1 has a heap-based buffer overflow in the yylex() function in flex.c via a crafted BASIC source file."}, {"lang": "es", "value": "Yabasic versi\u00f3n 2.86.1, presenta un desbordamiento de b\u00fafer en la regi\u00f3n heap de la memoria en la funci\u00f3n yylex() en el archivo flex.c por medio de un archivo fuente BASIC dise\u00f1ado."}], "lastModified": "2024-11-21T04:35:15.030", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:yabasic:yabasic:2.86.1:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "4D67B1F9-F159-487B-B234-1DDE353D7013"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}