#VU87867 Out-of-bounds write in MongoDB - CVE-2021-32040 

 

#VU87867 Out-of-bounds write in MongoDB - CVE-2021-32040

Published: March 27, 2024


Vulnerability identifier: #VU87867
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2021-32040
CWE-ID: CWE-787
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
MongoDB
Software vendor:
MongoDB, Inc.

Description

The vulnerability allows a remote attacker to perform a denial of service attack.

The vulnerability exists due to extremely long aggregation pipeline in conjunction with a specific stage/operator. A remote attacker can create a specially crafted file, trick the victim into opening it using the affected software, trigger an out-of-bounds write and perform a denial of service attack.


Remediation

Install updates from vendor's website.

External links