CVE-2019-18827

On Barco ClickShare Button R9861500D01 devices (before firmware version 1.9.0) JTAG access is disabled after ROM code execution. This means that JTAG access is possible when the system is running code from ROM before handing control over to embedded firmware.

CVSS v3.0 5.9 MEDIUM
CVSS v2.0 4.3 MEDIUM

5.9^/10

CVSS v3.0 : MEDIUM

V3 Legend

Vector :

Exploitability : 2.2 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

4.3^/10

CVSS v2.0 : MEDIUM

V2 Legend

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

Exploitability : 8.6 / Impact : 2.9

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact NONE

Availability Impact NONE

References

Link	Resource
https://www.barco.com/en/support/software/R33050069?majorVersion=01&minorVersion=09&patchVersion=01&buildVersion=007	Product Vendor Advisory
https://labs.f-secure.com/advisories/multiple-vulnerabilities-in-barco-clickshare/	Third Party Advisory
https://www.barco.com/en/support/software/R33050095?majorVersion=01&minorVersion=09&patchVersion=01&buildVersion=007	Product Vendor Advisory
https://www.barco.com/en/support/software/R33050125?majorVersion=01&minorVersion=09&patchVersion=01&buildVersion=007	Product Vendor Advisory
https://www.barco.com/en/clickshare/firmware-update	Product
https://www.barco.com/en/support/software/R33050070?majorVersion=01&minorVersion=09&patchVersion=01&buildVersion=007	Product Vendor Advisory

Configurations

Configuration 1 (hide)

AND

cpe:2.3:o:barco:clickshare_cs-100_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:barco:clickshare_cs-100:-:*:*:*:*:*:*:*

Configuration 2 (hide)

AND

cpe:2.3:o:barco:clickshare_cse-200_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:barco:clickshare_cse-200:-:*:*:*:*:*:*:*

Configuration 3 (hide)

AND

cpe:2.3:o:barco:clickshare_cse-200\+_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:barco:clickshare_cse-200\+:-:*:*:*:*:*:*:*

Configuration 4 (hide)

AND

cpe:2.3:o:barco:clickshare_cse-800_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:barco:clickshare_cse-800:-:*:*:*:*:*:*:*

Information

Published : 2019-12-16 09:15

Updated : 2021-07-21 04:39

NVD link : CVE-2019-18827

Mitre link : CVE-2019-18827

JSON object : View

CWE

CWE-285

Improper Authorization

CWE-362

Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

Products Affected

barco

clickshare_cse-800_firmware
clickshare_cs-100_firmware
clickshare_cse-800
clickshare_cs-100
clickshare_cse-200\+
clickshare_cse-200\+_firmware
clickshare_cse-200_firmware
clickshare_cse-200

{"cve": {"data_type": "CVE", "references": {"reference_data": [{"url": "https://www.barco.com/en/support/software/R33050069?majorVersion=01&minorVersion=09&patchVersion=01&buildVersion=007", "name": "https://www.barco.com/en/support/software/R33050069?majorVersion=01&minorVersion=09&patchVersion=01&buildVersion=007", "tags": ["Product", "Vendor Advisory"], "refsource": "MISC"}, {"url": "https://labs.f-secure.com/advisories/multiple-vulnerabilities-in-barco-clickshare/", "name": "https://labs.f-secure.com/advisories/multiple-vulnerabilities-in-barco-clickshare/", "tags": ["Third Party Advisory"], "refsource": "MISC"}, {"url": "https://www.barco.com/en/support/software/R33050095?majorVersion=01&minorVersion=09&patchVersion=01&buildVersion=007", "name": "https://www.barco.com/en/support/software/R33050095?majorVersion=01&minorVersion=09&patchVersion=01&buildVersion=007", "tags": ["Product", "Vendor Advisory"], "refsource": "MISC"}, {"url": "https://www.barco.com/en/support/software/R33050125?majorVersion=01&minorVersion=09&patchVersion=01&buildVersion=007", "name": "https://www.barco.com/en/support/software/R33050125?majorVersion=01&minorVersion=09&patchVersion=01&buildVersion=007", "tags": ["Product", "Vendor Advisory"], "refsource": "MISC"}, {"url": "https://www.barco.com/en/clickshare/firmware-update", "name": "https://www.barco.com/en/clickshare/firmware-update", "tags": ["Product"], "refsource": "MISC"}, {"url": "https://www.barco.com/en/support/software/R33050070?majorVersion=01&minorVersion=09&patchVersion=01&buildVersion=007", "name": "https://www.barco.com/en/support/software/R33050070?majorVersion=01&minorVersion=09&patchVersion=01&buildVersion=007", "tags": ["Product", "Vendor Advisory"], "refsource": "MISC"}]}, "data_format": "MITRE", "description": {"description_data": [{"lang": "en", "value": "On Barco ClickShare Button R9861500D01 devices (before firmware version 1.9.0) JTAG access is disabled after ROM code execution. This means that JTAG access is possible when the system is running code from ROM before handing control over to embedded firmware."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "en", "value": "CWE-362"}, {"lang": "en", "value": "CWE-285"}]}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2019-18827", "ASSIGNER": "cve@mitre.org"}}, "impact": {"baseMetricV2": {"cvssV2": {"version": "2.0", "baseScore": 4.3, "accessVector": "NETWORK", "vectorString": "AV:N/AC:M/Au:N/C:P/I:N/A:N", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "MEDIUM", "availabilityImpact": "NONE", "confidentialityImpact": "PARTIAL"}, "severity": "MEDIUM", "acInsufInfo": false, "impactScore": 2.9, "obtainAllPrivilege": false, "exploitabilityScore": 8.6, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}, "baseMetricV3": {"cvssV3": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.9, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 3.6, "exploitabilityScore": 2.2}}, "publishedDate": "2019-12-16T17:15Z", "configurations": {"nodes": [{"children": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:o:barco:clickshare_cs-100_firmware:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndExcluding": "1.9.0"}]}, {"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:h:barco:clickshare_cs-100:-:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": false}]}], "operator": "AND", "cpe_match": []}, {"children": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:o:barco:clickshare_cse-200_firmware:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndExcluding": "1.9.0"}]}, {"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:h:barco:clickshare_cse-200:-:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": false}]}], "operator": "AND", "cpe_match": []}, {"children": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:o:barco:clickshare_cse-200\\+_firmware:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndExcluding": "1.9.0"}]}, {"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:h:barco:clickshare_cse-200\\+:-:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": false}]}], "operator": "AND", "cpe_match": []}, {"children": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:o:barco:clickshare_cse-800_firmware:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndExcluding": "1.9.0"}]}, {"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:h:barco:clickshare_cse-800:-:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": false}]}], "operator": "AND", "cpe_match": []}], "CVE_data_version": "4.0"}, "lastModifiedDate": "2021-07-21T11:39Z"}

5.9 /10

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

4.3 /10

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact NONE

Availability Impact NONE

JSON object

Attach tags to CVE-2019-18827

5.9^/10

4.3^/10

Attach tags to `CVE-2019-18827`