#VU50811 Out-of-bounds write in libmaxminddb

 

#VU50811 Out-of-bounds write in libmaxminddb

Published: February 18, 2021


Vulnerability identifier: #VU50811
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: N/A
CWE-ID: CWE-787
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
libmaxminddb
Software vendor:
MaxMind

Description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a boundary error when processing untrusted input in libmaxminddb on Windows and mmdblookup. A remote attacker can pass specially crafted data to the application, trigger an out-of-bounds write and execute arbitrary code on the target system.


Remediation

Install updates from vendor's website.

External links