Stack-based buffer overflow in MF971R - CVE-2021-21748

 

Stack-based buffer overflow in MF971R - CVE-2021-21748

Published: October 19, 2021


Vulnerability identifier: #VU57432
CSH Severity: High
CVSS v4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-21748
CWE-ID: CWE-121
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

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

The vulnerability exists due to a boundary error in ADB_MODE_SWITCH API related code. A remote unauthenticated attacker can trick a victim to visit a specially crafted link, 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.


Affected software

MF971R

How to mitigate CVE-2021-21748

Install updates from vendor's website.


External References

Related Security Bulletins