CVE-2020-14323 Null dereference in Samba

What is CVE-2020-14323?

CVE-2020-14323 is a medium-severity vulnerability in Debian Debian Linux, published on 29 Oct 2020. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

A null pointer dereference flaw was found in samba's Winbind service in versions before 4.11.15, before 4.12.9 and before 4.13.1. A local user could use this flaw to crash the winbind service causing denial of service.

Weakness: CWE-476, CWE-170

Which versions are affected by CVE-2020-14323?

It affects 4 products.

Products include Debian Debian Linux, Fedoraproject Fedora, Opensuse Leap, Samba Samba.

How do I fix CVE-2020-14323?

Upgrade to a fixed version.

Is CVE-2020-14323 being exploited?

There is no known exploitation of CVE-2020-14323 in the wild and no public exploit code.

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All Debian Debian Linux vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as ALPINE-CVE-2020-14323, AZL-36989, AZL-7348, DEBIAN-CVE-2020-14323, ECHO-e21c-245e-10f7, GHSA-fhfw-5p8c-4cxr and 1 more.