Alpine: samba: security update to 4.10.17-r0

high Tenable Cloud Security Plugin ID 407052

Description

There are packages installed that are affected by multiple vulnerabilities referenced in the following CVEs:

- 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. (CVE-2020-10730)

- A flaw was found in all Samba versions before 4.10.17, before 4.11.11 and before 4.12.4 in the way it
processed NetBios over TCP/IP. This flaw allows a remote attacker could to cause the Samba server to
consume excessive CPU use, resulting in a denial of service. This highest threat from this vulnerability
is to system availability. (CVE-2020-10745)

- A use-after-free flaw was found in all samba LDAP server versions before 4.10.17, before 4.11.11, before
4.12.4 used in a AC DC configuration. A Samba LDAP user could use this flaw to crash samba.
(CVE-2020-10760)

- 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. (CVE-2020-14303)

Plugin Details

Severity: High

ID: 407052

Version: Revision 1.27

Type: Local

Family: Alpine Linux Local Security Checks

Published: 10/31/2023

Updated: 7/2/2026

Supported Sensors: Agentless Assessment, Tenable Cloud Security, Tenable Self-Hosted Container Security

Risk Information

VPR

Risk Factor: Low

Score: 3

Percentile: 23.18

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 5.8

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C

CVSS Score Source: CVE-2020-10745

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

CVSS Score Source: CVE-2020-14303

Vulnerability Information

Exploit Ease: No known exploits are available

Vulnerability Publication Date: 7/2/2020

Reference Information

CVE: CVE-2020-10730, CVE-2020-10745, CVE-2020-10760, CVE-2020-14303

IAVA: 2020-A-0288-S

Detections

Analytics