#VU60867 Use-after-free in 389-ds-base - CVE-2021-4091

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Main Vulnerability Database Vulnerabilities #VU60867

#VU60867 Use-after-free in 389-ds-base - CVE-2021-4091

Published: February 25, 2022


Vulnerability identifier: #VU60867
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2021-4091
CWE-ID: CWE-416
Exploitation vector: Adjecent network
Exploit availability: No public exploit available
Vulnerable software:
389-ds-base
Software vendor:
389 Directory Server Project

Description

The vulnerability allows a remote user to perform a denial of service (DoS) attack.

The vulnerability exists due to a use-after-free error when processing virtual attributes context in persistent searches. A remote user can send specially crafted search requests to the directory server, trigger a use-after-free error and crash the server.



Remediation

Install updates from vendor's website.

External links