NULL pointer dereference in 389-ds-base - CVE-2021-3514

 

NULL pointer dereference in 389-ds-base - CVE-2021-3514

Published: June 15, 2021


Vulnerability identifier: #VU54107
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/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-2021-3514
CWE-ID: CWE-476
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: 389 Directory Server Project
Affected software:
389-ds-base

Detailed vulnerability description

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

The vulnerability exists due to a NULL pointer dereference error when using a sync_repl client in 389-ds-base. A remote authenticated user can cause a NULL pointer dereference using a specially crafted query and perform a denial of service (DoS) attack.


How to mitigate CVE-2021-3514

Install update from vendor's website.

Sources