CVE-2018-3991

An exploitable heap overflow vulnerability exists in the WkbProgramLow function of WibuKey Network server management, version 6.40.2402.500. A specially crafted TCP packet can cause a heap overflow, potentially leading to remote code execution. An attacker can send a malformed TCP packet to trigger this vulnerability.

CVSS v3.0 9.8 CRITICAL
CVSS v2.0 7.5 HIGH

9.8^/10

CVSS v3.0 : CRITICAL

V3 Legend

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

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

7.5^/10

CVSS v2.0 : HIGH

V2 Legend

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://talosintelligence.com/vulnerability_reports/TALOS-2018-0659	Exploit Third Party Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-760124.pdf	Mitigation Third Party Advisory
http://www.securityfocus.com/bid/107005	Third Party Advisory VDB Entry
https://cert-portal.siemens.com/productcert/pdf/ssa-844562.pdf	Third Party Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-902727.pdf

Configurations

Configuration 1 (hide)

AND

cpe:2.3:a:wibu:wibukey:6.40.2402.500:*:*:*:*:*:*:*

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

Configuration 2 (hide)

OR	cpe:2.3:o:siemens:simatic_wincc_open_architecture:3.16:::::::*
	cpe:2.3:o:siemens:simatic_wincc_open_architecture:3.14:::::::*
	cpe:2.3:o:siemens:simatic_wincc_open_architecture:3.15:::::::*

Information

Published : 2019-02-05 15:29

Updated : 2022-04-19 11:15

NVD link : CVE-2018-3991

Mitre link : CVE-2018-3991

JSON object : View

CWE

CWE-787

Out-of-bounds Write

Products Affected

wibu

wibukey

microsoft

windows

siemens

simatic_wincc_open_architecture

{"cve": {"data_type": "CVE", "references": {"reference_data": [{"url": "https://talosintelligence.com/vulnerability_reports/TALOS-2018-0659", "name": "https://talosintelligence.com/vulnerability_reports/TALOS-2018-0659", "tags": ["Exploit", "Third Party Advisory"], "refsource": "MISC"}, {"url": "https://cert-portal.siemens.com/productcert/pdf/ssa-760124.pdf", "name": "https://cert-portal.siemens.com/productcert/pdf/ssa-760124.pdf", "tags": ["Mitigation", "Third Party Advisory"], "refsource": "CONFIRM"}, {"url": "http://www.securityfocus.com/bid/107005", "name": "107005", "tags": ["Third Party Advisory", "VDB Entry"], "refsource": "BID"}, {"url": "https://cert-portal.siemens.com/productcert/pdf/ssa-844562.pdf", "name": "https://cert-portal.siemens.com/productcert/pdf/ssa-844562.pdf", "tags": ["Third Party Advisory"], "refsource": "CONFIRM"}, {"url": "https://cert-portal.siemens.com/productcert/pdf/ssa-902727.pdf", "name": "https://cert-portal.siemens.com/productcert/pdf/ssa-902727.pdf", "tags": [], "refsource": "CONFIRM"}]}, "data_format": "MITRE", "description": {"description_data": [{"lang": "en", "value": "An exploitable heap overflow vulnerability exists in the WkbProgramLow function of WibuKey Network server management, version 6.40.2402.500. A specially crafted TCP packet can cause a heap overflow, potentially leading to remote code execution. An attacker can send a malformed TCP packet to trigger this vulnerability."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "en", "value": "CWE-787"}]}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2018-3991", "ASSIGNER": "talos-cna@cisco.com"}}, "impact": {"baseMetricV2": {"cvssV2": {"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"}, "severity": "HIGH", "acInsufInfo": false, "impactScore": 6.4, "obtainAllPrivilege": false, "exploitabilityScore": 10.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}, "baseMetricV3": {"cvssV3": {"scope": "UNCHANGED", "version": "3.0", "baseScore": 9.8, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.0/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}}, "publishedDate": "2019-02-05T23:29Z", "configurations": {"nodes": [{"children": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:a:wibu:wibukey:6.40.2402.500:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}]}, {"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": false}]}], "operator": "AND", "cpe_match": []}, {"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:o:siemens:simatic_wincc_open_architecture:3.16:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:o:siemens:simatic_wincc_open_architecture:3.14:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:o:siemens:simatic_wincc_open_architecture:3.15:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}]}], "CVE_data_version": "4.0"}, "lastModifiedDate": "2022-04-19T18:15Z"}

9.8 /10