Vulnerability Report

CVE-2020-14323

Title: Null pointer dereference in Samba Winbind service

DoS

Proof Of Concept

No public PoC currently indexed for CVE-2020-14323.

CWE Category CWE-476
Published Date Oct 29, 2020
Modified Date Nov 21, 2024
Exploit Status Not Found
Score 5.5 CVSS v3.1
Exploit Probability (EPSS)
0.61%

Vulnerability Summary

CVE-2020-14323: 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.

Impacted Vendors

S
samba 1
S
sgi 1

Reference Links

http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00008.html http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00012.html https://bugzilla.redhat.com/show_bug.cgi?id=1891685 https://lists.debian.org/debian-lts-announce/2020/11/msg00041.html 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 https://security.netapp.com/advisory/ntap-20201103-0001/ https://www.samba.org/samba/security/CVE-2020-14323.html http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00008.html http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00012.html https://bugzilla.redhat.com/show_bug.cgi?id=1891685 https://lists.debian.org/debian-lts-announce/2020/11/msg00041.html 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 https://security.netapp.com/advisory/ntap-20201103-0001/ https://www.samba.org/samba/security/CVE-2020-14323.html
CVSS v3.1
Source Entity [email protected]
Severity MEDIUM
5.5
Attack Vector
LOCAL
Complexity
LOW
Privileges
N/A
Interaction
NONE
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
UNCHANGED
RAW VECTOR CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CVSS v3.1
Source Entity 134c704f-9b21-4f2e-91b3-4a467353bcc0
Severity MEDIUM
5.5
Attack Vector
LOCAL
Complexity
LOW
Privileges
N/A
Interaction
NONE
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
UNCHANGED
RAW VECTOR CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CVSS v2.0
Source Entity [email protected]
Severity LOW
2.1
Access Vector
N/A
Authentication
N/A
RAW VECTOR AV:L/AC:L/Au:N/C:N/I:N/A:P

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2020-14323 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

MODIFIED

Vulnerability data or affected products updated.

PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector LOCAL
Complexity LOW
Privileges N/A
Interaction NONE
CVSS Vector String CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Affected Stack

No specific products linked.