Remote code execution in D-Link DCS-960L

1) Stack-based buffer overflow

EUVDB-ID: #VU23801

Risk: High

CVSSv3.1: 8.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2019-17146

CWE-ID: CWE-121 - Stack-based buffer overflow

Exploit availability: No

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error when parsing SOAPAction request header within the HNAP service. A remote unauthenticated attacker can send a specially crafted SOAP request to the affected IP camera, trigger stack-based buffer overflow and gain full access to the IP camera.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

DCS-960L: 1.07.102

External links

http://www.zerodayinitiative.com/advisories/ZDI-19-1031/
http://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10142

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected device in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.