CVE-2019-20217

D-Link DIR-859 1.05 and 1.06B01 Beta01 devices allow remote attackers to execute arbitrary OS commands via the urn: to the M-SEARCH method in ssdpcgi() in /htdocs/cgibin, because SERVER_ID is mishandled. The value of the urn: service/device is checked with the strstr function, which allows an attacker to concatenate arbitrary commands separated by shell metacharacters.

CVSS v3.0 9.8 CRITICAL
CVSS v2.0 10.0 HIGH

9.8^/10

CVSS v3.0 : 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://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10147	Patch Vendor Advisory
https://medium.com/@s1kr10s/d-link-dir-859-rce-unauthenticated-cve-2019-20216-cve-2019-20217-es-e11ca6168d35	Exploit Third Party Advisory
https://medium.com/@s1kr10s/d-link-dir-859-rce-unauthenticated-cve-2019-20216-cve-2019-20217-en-6bca043500ae	Exploit Third Party Advisory

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Configurations

Configuration 1 (hide)

AND

OR	cpe:2.3:o:dlink:dir-859_firmware:1.05:::::::*
	cpe:2.3:o:dlink:dir-859_firmware:1.06b01:beta01::::::

cpe:2.3:h:dlink:dir-859:-:*:*:*:*:*:*:*

Information

Published : 2020-01-28 19:15

Updated : 2020-01-31 06:55

NVD link : CVE-2019-20217

Mitre link : CVE-2019-20217

JSON object : View

CWE

CWE-78

Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

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Products Affected

dlink

dir-859
dir-859_firmware

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