5.5
MEDIUM
CVE-2020-14323
Samba Winbind Null Pointer Dereference Denial of Service
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.

INFO

Published Date :

Oct. 29, 2020, 8:15 p.m.

Last Modified :

Nov. 21, 2024, 5:03 a.m.

Remotely Exploitable :

No

Impact Score :

3.6

Exploitability Score :

1.8
Public PoC/Exploit Available at Github

CVE-2020-14323 has a 1 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

Affected Products

The following products are affected by CVE-2020-14323 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Fedoraproject fedora
1 Debian debian_linux
1 Opensuse leap
1 Samba samba
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2020-14323.

URL Resource
http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00008.html Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00012.html Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1891685 Issue Tracking Third Party Advisory
https://lists.debian.org/debian-lts-announce/2020/11/msg00041.html Mailing List Third Party Advisory
https://lists.debian.org/debian-lts-announce/2024/04/msg00015.html
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JE2M4FE3N3EDXVG4UKSVFPL7SQUGFFDP/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/W6HM73N4NEGFW5GIJJGGP6ZZBS6GTXPB/
https://security.gentoo.org/glsa/202012-24 Third Party Advisory
https://security.netapp.com/advisory/ntap-20201103-0001/ Third Party Advisory
https://www.samba.org/samba/security/CVE-2020-14323.html Vendor Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00008.html Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00012.html Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1891685 Issue Tracking Third Party Advisory
https://lists.debian.org/debian-lts-announce/2020/11/msg00041.html Mailing List Third Party Advisory
https://lists.debian.org/debian-lts-announce/2024/04/msg00015.html
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JE2M4FE3N3EDXVG4UKSVFPL7SQUGFFDP/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/W6HM73N4NEGFW5GIJJGGP6ZZBS6GTXPB/
https://security.gentoo.org/glsa/202012-24 Third Party Advisory
https://security.netapp.com/advisory/ntap-20201103-0001/ Third Party Advisory
https://www.samba.org/samba/security/CVE-2020-14323.html Vendor Advisory

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

None

Updated: 3 years, 2 months ago
1 stars 0 fork 0 watcher
Born at : March 21, 2021, 3:33 a.m. This repo has been linked 73 different CVEs too.

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2020-14323 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2020-14323 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00008.html
    Added Reference http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00012.html
    Added Reference https://bugzilla.redhat.com/show_bug.cgi?id=1891685
    Added Reference https://lists.debian.org/debian-lts-announce/2020/11/msg00041.html
    Added Reference https://lists.debian.org/debian-lts-announce/2024/04/msg00015.html
    Added Reference https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JE2M4FE3N3EDXVG4UKSVFPL7SQUGFFDP/
    Added Reference https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/W6HM73N4NEGFW5GIJJGGP6ZZBS6GTXPB/
    Added Reference https://security.gentoo.org/glsa/202012-24
    Added Reference https://security.netapp.com/advisory/ntap-20201103-0001/
    Added Reference https://www.samba.org/samba/security/CVE-2020-14323.html
  • CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0

    Jul. 03, 2024

    Action Type Old Value New Value
    Added CVSS V3.1 CISA-ADP AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Apr. 22, 2024

    Action Type Old Value New Value
    Added Reference Red Hat, Inc. https://lists.debian.org/debian-lts-announce/2024/04/msg00015.html [No types assigned]
  • CVE Modified by [email protected]

    Nov. 07, 2023

    Action Type Old Value New Value
    Added Reference Red Hat, Inc. https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JE2M4FE3N3EDXVG4UKSVFPL7SQUGFFDP/ [No types assigned]
    Added Reference Red Hat, Inc. https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/W6HM73N4NEGFW5GIJJGGP6ZZBS6GTXPB/ [No types assigned]
    Removed Reference Red Hat, Inc. https://lists.fedoraproject.org/archives/list/[email protected]/message/JE2M4FE3N3EDXVG4UKSVFPL7SQUGFFDP/
    Removed Reference Red Hat, Inc. https://lists.fedoraproject.org/archives/list/[email protected]/message/W6HM73N4NEGFW5GIJJGGP6ZZBS6GTXPB/
  • Reanalysis by [email protected]

    Sep. 01, 2022

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:a:samba:samba:*:*:*:*:*:*:*:* versions from (including) 4.11.0 up to (excluding) 4.11.15 *cpe:2.3:a:samba:samba:*:*:*:*:*:*:*:* versions from (including) 4.12.0 up to (excluding) 4.12.9 *cpe:2.3:a:samba:samba:*:*:*:*:*:*:*:* versions from (including) 4.13.0 up to (excluding) 4.13.1 OR *cpe:2.3:a:samba:samba:*:*:*:*:*:*:*:* versions from (including) 3.6.0 up to (excluding) 4.11.15 *cpe:2.3:a:samba:samba:*:*:*:*:*:*:*:* versions from (including) 4.12.0 up to (excluding) 4.12.9 *cpe:2.3:a:samba:samba:*:*:*:*:*:*:*:* versions from (including) 4.13.0 up to (excluding) 4.13.1
  • Modified Analysis by [email protected]

    Oct. 19, 2021

    Action Type Old Value New Value
    Changed Reference Type https://lists.debian.org/debian-lts-announce/2020/11/msg00041.html No Types Assigned https://lists.debian.org/debian-lts-announce/2020/11/msg00041.html Mailing List, Third Party Advisory
    Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/W6HM73N4NEGFW5GIJJGGP6ZZBS6GTXPB/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/W6HM73N4NEGFW5GIJJGGP6ZZBS6GTXPB/ Mailing List, Third Party Advisory
    Changed Reference Type https://security.gentoo.org/glsa/202012-24 No Types Assigned https://security.gentoo.org/glsa/202012-24 Third Party Advisory
    Changed CPE Configuration OR *cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:* *cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:* *cpe:2.3:o:opensuse:leap:15.2:*:*:*:*:*:*:* OR *cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:* *cpe:2.3:o:opensuse:leap:15.2:*:*:*:*:*:*:*
    Added CPE Configuration OR *cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:* *cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*
    Added CPE Configuration OR *cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Dec. 24, 2020

    Action Type Old Value New Value
    Added Reference https://security.gentoo.org/glsa/202012-24 [No Types Assigned]
  • CVE Modified by [email protected]

    Nov. 23, 2020

    Action Type Old Value New Value
    Added Reference https://lists.debian.org/debian-lts-announce/2020/11/msg00041.html [No Types Assigned]
  • CVE Modified by [email protected]

    Nov. 10, 2020

    Action Type Old Value New Value
    Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/W6HM73N4NEGFW5GIJJGGP6ZZBS6GTXPB/ [No Types Assigned]
  • Initial Analysis by [email protected]

    Nov. 04, 2020

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:L/AC:L/Au:N/C:N/I:N/A:P)
    Added CVSS V3.1 NIST AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
    Changed Reference Type http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00008.html No Types Assigned http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00008.html Third Party Advisory
    Changed Reference Type http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00012.html No Types Assigned http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00012.html Third Party Advisory
    Changed Reference Type https://bugzilla.redhat.com/show_bug.cgi?id=1891685 No Types Assigned https://bugzilla.redhat.com/show_bug.cgi?id=1891685 Issue Tracking, Third Party Advisory
    Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/JE2M4FE3N3EDXVG4UKSVFPL7SQUGFFDP/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/JE2M4FE3N3EDXVG4UKSVFPL7SQUGFFDP/ Mailing List, Third Party Advisory
    Changed Reference Type https://security.netapp.com/advisory/ntap-20201103-0001/ No Types Assigned https://security.netapp.com/advisory/ntap-20201103-0001/ Third Party Advisory
    Changed Reference Type https://www.samba.org/samba/security/CVE-2020-14323.html No Types Assigned https://www.samba.org/samba/security/CVE-2020-14323.html Vendor Advisory
    Added CWE NIST CWE-476
    Added CPE Configuration OR *cpe:2.3:a:samba:samba:*:*:*:*:*:*:*:* versions from (including) 4.11.0 up to (excluding) 4.11.15 *cpe:2.3:a:samba:samba:*:*:*:*:*:*:*:* versions from (including) 4.12.0 up to (excluding) 4.12.9 *cpe:2.3:a:samba:samba:*:*:*:*:*:*:*:* versions from (including) 4.13.0 up to (excluding) 4.13.1
    Added CPE Configuration OR *cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:* *cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:* *cpe:2.3:o:opensuse:leap:15.2:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Nov. 03, 2020

    Action Type Old Value New Value
    Added Reference https://security.netapp.com/advisory/ntap-20201103-0001/ [No Types Assigned]
  • CVE Modified by [email protected]

    Nov. 03, 2020

    Action Type Old Value New Value
    Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/JE2M4FE3N3EDXVG4UKSVFPL7SQUGFFDP/ [No Types Assigned]
  • CVE Modified by [email protected]

    Nov. 02, 2020

    Action Type Old Value New Value
    Added Reference http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00012.html [No Types Assigned]
    Added Reference http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00008.html [No Types Assigned]
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2020-14323 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2020-14323 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.06 }} 0.00%

score

0.22973

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability