CVE-2020-12651

SecureCRT before 8.7.2 allows remote attackers to execute arbitrary code via an Integer Overflow and a Buffer Overflow because a banner can trigger a line number to CSI functions that exceeds INT_MAX.

CVSS v3 9.8 CRITICAL
CVSS v2.0 10.0 HIGH

9.8^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

10.0^/10

CVSS v2.0 : HIGH

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

Exploitability : 10.0 / Impact : 10.0

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

References

Link	Resource
https://bugs.chromium.org/p/project-zero/issues/detail?id=2033	Exploit Third Party Advisory
https://twitter.com/taviso/status/1261079774190919680	Third Party Advisory
https://www.vandyke.com/products/securecrt/history.txt	Release Notes Vendor Advisory
https://www.vandyke.com/support/advisory/index.html	Vendor Advisory

Configurations

Configuration 1 (hide)

AND

cpe:2.3:a:vandyke:securecrt:*:*:*:*:*:*:*:*

OR	cpe:2.3:o:apple:macos:-:::::::*
	cpe:2.3:o:linux:linux_kernel:-:::::::*
	cpe:2.3:o:microsoft:windows:-:::::::*

Configuration 2 (hide)

AND

cpe:2.3:a:vandyke:securecrt:*:*:*:*:*:*:*:*

cpe:2.3:o:apple:iphone_os:-:*:*:*:*:*:*:*

History

08 Sep 2021, 17:22

Type	Values Removed	Values Added
CPE	cpe:2.3:o:apple:mac_os:-:::::::*	cpe:2.3:o:apple:macos:-:::::::*

Information

Published : 2020-05-15 18:15

Updated : 2024-02-04 21:00

NVD link : CVE-2020-12651

Mitre link : CVE-2020-12651

CVE.ORG link : CVE-2020-12651

JSON object : View

Products Affected

apple

macos
iphone_os

microsoft

windows

vandyke

securecrt

linux

linux_kernel

CWE

CWE-190

Integer Overflow or Wraparound

{"id": "CVE-2020-12651", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 10.0, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:N/C:C/I:C/A:C", "authentication": "NONE", "integrityImpact": "COMPLETE", "accessComplexity": "LOW", "availabilityImpact": "COMPLETE", "confidentialityImpact": "COMPLETE"}, "acInsufInfo": false, "impactScore": 10.0, "baseSeverity": "HIGH", "obtainAllPrivilege": false, "exploitabilityScore": 10.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"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": "2020-05-15T18:15:13.510", "references": [{"url": "https://bugs.chromium.org/p/project-zero/issues/detail?id=2033", "tags": ["Exploit", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://twitter.com/taviso/status/1261079774190919680", "tags": ["Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://www.vandyke.com/products/securecrt/history.txt", "tags": ["Release Notes", "Vendor Advisory"], "source": "cve@mitre.org"}, {"url": "https://www.vandyke.com/support/advisory/index.html", "tags": ["Vendor Advisory"], "source": "cve@mitre.org"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-190"}]}], "descriptions": [{"lang": "en", "value": "SecureCRT before 8.7.2 allows remote attackers to execute arbitrary code via an Integer Overflow and a Buffer Overflow because a banner can trigger a line number to CSI functions that exceeds INT_MAX."}, {"lang": "es", "value": "SecureCRT versiones anteriores a 8.7.2, permite a atacantes remotos ejecutar c\u00f3digo arbitrario por medio de un Desbordamiento de Enteros y un desbordamiento del b\u00fafer porque una bandera puede activar un n\u00famero de l\u00ednea en las funciones CSI que exceden a INT_MAX."}], "lastModified": "2021-09-08T17:22:44.477", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:vandyke:securecrt:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "62AE7111-A9C7-4D10-BD7D-55632576CD5D", "versionEndExcluding": "8.7.2"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "387021A0-AF36-463C-A605-32EA7DAC172E"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "703AF700-7A70-47E2-BC3A-7FD03B3CA9C1"}, {"criteria": "cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "A2572D17-1DE6-457B-99CC-64AFD54487EA"}], "operator": "OR"}], "operator": "AND"}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:vandyke:securecrt:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "44CBE609-AC08-49CD-B77E-5BF3C397E673", "versionEndExcluding": "2.4"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:apple:iphone_os:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "B5415705-33E5-46D5-8E4D-9EBADC8C5705"}], "operator": "OR"}], "operator": "AND"}], "sourceIdentifier": "cve@mitre.org"}