#VU55911 Stack-based buffer overflow in Realtek products - CVE-2021-35392

 

#VU55911 Stack-based buffer overflow in Realtek products - CVE-2021-35392

Published: August 17, 2021


Vulnerability identifier: #VU55911
Vulnerability risk: High
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2021-35392
CWE-ID: CWE-121
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
Realtek SDK
Realtek Jungle SDK
Realtek Luna SDK
Software vendor:
Realtek

Description

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

The vulnerability exists due to unsafe crafting of SSDP NOTIFY messages from received M-SEARCH messages ST header. A remote unauthenticated attacker can trigger stack-based buffer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


Remediation

Install updates from vendor's website.

External links