Vulnerability 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.
Severity: MEDIUM (6.5) Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Published: July 7, 2020
Modified: Nov. 7, 2023
Fixed packages
Package name | Branch | Fixed in version | Version from repository | Errata ID | Task # | State |
|---|---|---|---|---|---|---|
| samba | sisyphus | 4.11.11-alt1 | 4.20.1-alt2 | ALT-PU-2020-2444-1 | 254607 | Fixed |
| samba | p10 | 4.11.11-alt1 | 4.19.6-alt2 | ALT-PU-2020-2444-1 | 254607 | Fixed |
| samba | p9 | 4.11.11-alt1 | 4.14.10-alt2 | ALT-PU-2020-2476-1 | 255267 | Fixed |
| samba | c10f1 | 4.11.11-alt1 | 4.16.11-alt2 | ALT-PU-2020-2444-1 | 254607 | Fixed |
| samba | c9f2 | 4.11.11-alt1 | 4.14.14-alt0.c9.1 | ALT-PU-2020-2476-1 | 255267 | Fixed |
| samba | p11 | 4.11.11-alt1 | 4.20.1-alt1 | ALT-PU-2020-2444-1 | 254607 | Fixed |
References to Advisories, Solutions, and Tools
Hyperlink | Resource |
|---|---|
| https://www.samba.org/samba/security/CVE-2020-10730.html |
|
| openSUSE-SU-2020:0984 |
|
| openSUSE-SU-2020:1023 |
|
| GLSA-202007-15 |
|
| openSUSE-SU-2020:1121 |
|
| openSUSE-SU-2020:1313 |
|
| [debian-lts-announce] 20201123 [SECURITY] [DLA 2463-1] samba security update |
|
| DSA-4884 |
|
| https://bugzilla.redhat.com/show_bug.cgi?id=1849489%3B | |
| FEDORA-2020-5131d30947 |