CVE-2019-13449

In the Zoom Client before 4.4.2 on macOS, remote attackers can cause a denial of service (continual focus grabs) via a sequence of invalid launch?action=join&confno= requests to localhost port 19421.

CVSS v3.0 6.5 MEDIUM
CVSS v2.0 4.3 MEDIUM

6.5^/10

CVSS v3.0 : MEDIUM

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

Exploitability : 2.8 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

4.3^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 8.6 / Impact : 2.9

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References

Link	Resource
https://medium.com/@jonathan.leitschuh/zoom-zero-day-4-million-webcams-maybe-an-rce-just-get-them-to-visit-your-website-ac75c83f4ef5	Third Party Advisory
https://assets.zoom.us/docs/pdf/Zoom+Response+Video-On+Vulnerability.pdf	Vendor Advisory
https://blog.zoom.us/wordpress/2019/07/08/response-to-video-on-concern/	Vendor Advisory
https://twitter.com/zoom_us/status/1148710712241295361	Third Party Advisory
https://bugs.chromium.org/p/chromium/issues/detail?id=951540	Exploit Third Party Advisory

Advertisement

Configurations

Configuration 1 (hide)

cpe:2.3:a:zoom:zoom:*:*:*:*:*:mac_os_x:*:*

Information

Published : 2019-07-08 23:15

Updated : 2019-07-16 17:46

NVD link : CVE-2019-13449

Mitre link : CVE-2019-13449

JSON object : View

CWE

CWE-20

Improper Input Validation

Advertisement

Products Affected

zoom

zoom

{"cve": {"data_type": "CVE", "references": {"reference_data": [{"url": "https://medium.com/@jonathan.leitschuh/zoom-zero-day-4-million-webcams-maybe-an-rce-just-get-them-to-visit-your-website-ac75c83f4ef5", "name": "https://medium.com/@jonathan.leitschuh/zoom-zero-day-4-million-webcams-maybe-an-rce-just-get-them-to-visit-your-website-ac75c83f4ef5", "tags": ["Third Party Advisory"], "refsource": "MISC"}, {"url": "https://assets.zoom.us/docs/pdf/Zoom+Response+Video-On+Vulnerability.pdf", "name": "https://assets.zoom.us/docs/pdf/Zoom+Response+Video-On+Vulnerability.pdf", "tags": ["Vendor Advisory"], "refsource": "MISC"}, {"url": "https://blog.zoom.us/wordpress/2019/07/08/response-to-video-on-concern/", "name": "https://blog.zoom.us/wordpress/2019/07/08/response-to-video-on-concern/", "tags": ["Vendor Advisory"], "refsource": "MISC"}, {"url": "https://twitter.com/zoom_us/status/1148710712241295361", "name": "https://twitter.com/zoom_us/status/1148710712241295361", "tags": ["Third Party Advisory"], "refsource": "MISC"}, {"url": "https://bugs.chromium.org/p/chromium/issues/detail?id=951540", "name": "https://bugs.chromium.org/p/chromium/issues/detail?id=951540", "tags": ["Exploit", "Third Party Advisory"], "refsource": "MISC"}]}, "data_format": "MITRE", "description": {"description_data": [{"lang": "en", "value": "In the Zoom Client before 4.4.2 on macOS, remote attackers can cause a denial of service (continual focus grabs) via a sequence of invalid launch?action=join&confno= requests to localhost port 19421."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "en", "value": "CWE-20"}]}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2019-13449", "ASSIGNER": "cve@mitre.org"}}, "impact": {"baseMetricV2": {"cvssV2": {"version": "2.0", "baseScore": 4.3, "accessVector": "NETWORK", "vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:P", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "MEDIUM", "availabilityImpact": "PARTIAL", "confidentialityImpact": "NONE"}, "severity": "MEDIUM", "acInsufInfo": false, "impactScore": 2.9, "obtainAllPrivilege": false, "exploitabilityScore": 8.6, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": true}, "baseMetricV3": {"cvssV3": {"scope": "UNCHANGED", "version": "3.0", "baseScore": 6.5, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 2.8}}, "publishedDate": "2019-07-09T06:15Z", "configurations": {"nodes": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:a:zoom:zoom:*:*:*:*:*:mac_os_x:*:*", "cpe_name": [], "vulnerable": true, "versionEndExcluding": "4.4.2"}]}], "CVE_data_version": "4.0"}, "lastModifiedDate": "2019-07-17T00:46Z"}