CVE-2020-14303 Information

Description

A flaw was found in the AD DC NBT server in all Samba versions before 4.10.17 before 4.11.11 and before 4.12.4. A samba user could send an empty UDP packet to cause the samba server to crash.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Reference

http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00030.html http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00054.html http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00002.html https://bugzilla.redhat.com/show_bug.cgi?id=1851298; https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/6YLNQ5GRXUKYRUAOFZ4DUBVN4SMTL6Q2/ https://security.gentoo.org/glsa/202007-15 https://security.netapp.com/advisory/ntap-20200709-0003/ https://usn.ubuntu.com/4454-1/ https://usn.ubuntu.com/4454-2/ https://www.samba.org/samba/security/CVE-2020-14303.html

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

7.5