#VU47991 NULL pointer dereference in Samba - CVE-2020-14323

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Main Vulnerability Database Vulnerabilities #VU47991

#VU47991 NULL pointer dereference in Samba - CVE-2020-14323

Published: October 29, 2020


Vulnerability identifier: #VU47991
Vulnerability risk: Medium
CVSSv4.0: 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-2020-14323
CWE-ID: CWE-476
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
Samba
Software vendor:
Samba

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 processing requests in winbind in Samba. A remote user can send specially crafted request to winbind daemon, trigger a NULL pointer dereference error and crash it.


Remediation

Install updates from vendor's website.

External links