CVE-2019-20215 - D-Link DIR-859 1.05 and 1.06B01 Beta01 devices allow remote attackers to execute arbitrary OS commands via a urn: to the M-SEARCH method in ssdpcgi() in /htdocs/cgibin, because HTTP_ST is mishandled

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CRITICAL

D-Link DIR-859 1.05 and 1.06B01 Beta01 devices allow remote attackers to execute arbitrary OS commands via a urn: to the M-SEARCH method in ssdpcgi() in /htdocs/cgibin, because HTTP_ST is mishandled

Published Jan 29, 2020

9.8

CRITICAL

CVSS 3.1

EPSS 75.11%

Description

D-Link DIR-859 1.05 and 1.06B01 Beta01 devices allow remote attackers to execute arbitrary OS commands via a urn: to the M-SEARCH method in ssdpcgi() in /htdocs/cgibin, because HTTP_ST 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.

Affected products

Remediation

No remediation recorded yet.

Weaknesses (1)

CWE-78

OS Command Injection

References (4)

http://packetstormsecurity.com/files/156250/D-Link-ssdpcgi-Unauthenticated-Remote-Command-Execution.html
x_refsource_MISC
https://euvd.enisa.europa.eu/vulnerability/EUVD-2019-10769
Advisory
https://medium.com/%40s1kr10s/d-link-dir-859-unauthenticated-rce-in-ssdpcgi-http-st-cve-2019-20215-en-2e799acb8a73
x_refsource_MISC
https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10147
x_refsource_CONFIRMPatchVendor Advisory

Link	Providers	Tags
http://packetstormsecurity.com/files/156250/D-Link-ssdpcgi-Unauthenticated-Remote-Command-Execution.html		x_refsource_MISC
https://euvd.enisa.europa.eu/vulnerability/EUVD-2019-10769		Advisory
https://medium.com/%40s1kr10s/d-link-dir-859-unauthenticated-rce-in-ssdpcgi-http-st-cve-2019-20215-en-2e799acb8a73		x_refsource_MISC
https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10147		x_refsource_CONFIRMPatchVendor Advisory