Echo: samba: security update to 2:4.1.17+dfsg-1

critical Tenable Cloud Security Plugin ID 460102

Description

There are packages installed that are affected by a vulnerability referenced in the following CVE:

- The Netlogon server implementation in smbd in Samba 3.5.x and 3.6.x before 3.6.25, 4.0.x before 4.0.25,
4.1.x before 4.1.17, and 4.2.x before 4.2.0rc5 performs a free operation on an uninitialized stack
pointer, which allows remote attackers to execute arbitrary code via crafted Netlogon packets that use the
ServerPasswordSet RPC API, as demonstrated by packets reaching the _netr_ServerPasswordSet function in
rpc_server/netlogon/srv_netlog_nt.c. (CVE-2015-0240)

Solution

Update the samba library and its related packages to version 2:4.1.17+dfsg-1 or later.

See Also

https://advisory.echohq.com/cve/CVE-2015-0240

Plugin Details

Severity: Critical

ID: 460102

Version: Revision 1.2

Type: Local

Published: 10/2/2026

Updated: 10/5/2026

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

Risk Information

VPR

Risk Factor: Medium

Score: 6.9

Percentile: 96.51

CVSS v2

Risk Factor: Critical

Base Score: 10

Temporal Score: 8.7

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

CVSS Score Source: CVE-2015-0240

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 9.4

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

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

Vulnerability Information

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 6/2/2026

Vulnerability Publication Date: 2/23/2015

Reference Information

CVE: CVE-2015-0240

IAVA: 2015-A-0042-S