CVE-2020-10730

medium

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.

References

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.debian.org/debian-lts-announce/2020/11/msg00041.html

https://lists.fedoraproject.org/archives/list/[email protected]/message/6YLNQ5GRXUKYRUAOFZ4DUBVN4SMTL6Q2/

https://security.gentoo.org/glsa/202007-15

https://www.debian.org/security/2021/dsa-4884

https://www.samba.org/samba/security/CVE-2020-10730.html

Details

Source: MITRE

Published: 2020-07-07

Updated: 2021-04-02

Type: CWE-476

Risk Information

CVSS v2

Base Score: 4

Vector: AV:N/AC:L/Au:S/C:N/I:N/A:P

Impact Score: 2.9

Exploitability Score: 8

Severity: MEDIUM

CVSS v3

Base Score: 6.5

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

Impact Score: 3.6

Exploitability Score: 2.8

Severity: MEDIUM