CVE-2020-10730 Information

Description

A NULL pointer dereference or possible use-after-free flaw was found in Samba AD LDAP server in versions before 4.10.17 before 4.11.11 and before 4.12.4. Although some versions of Samba shipped with Red Hat Enterprise Linux do not support Samba in AD mode the affected code is shipped with the libldb package. This flaw allows an authenticated user to possibly trigger a use-after-free or NULL pointer dereference. The highest threat from this vulnerability is to system availability.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:L/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/2020-08/msg00000.html http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00002.html https://bugzilla.redhat.com/show_bug.cgi?id=1849489; https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/6YLNQ5GRXUKYRUAOFZ4DUBVN4SMTL6Q2/ https://security.gentoo.org/glsa/202007-15 https://www.samba.org/samba/security/CVE-2020-10730.html

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

6.5