Samba 3.5.x / 3.6.x < 3.6.25 / 4.0.x < 4.0.25 / 4.1.x < 4.1.17 / 4.2.x < 4.2rc5 TALLOC_FREE() RCE

Critical Nessus Network Monitor Plugin ID 8753


The remote version of Samba is outdated and affected by a remote code execution vulnerability.


The version of Samba running on the remote host is 3.5.x prior to 3.5.22, 3.6.x prior to 3.6.25, 4.0.x prior to 4.0.25, 4.1.x prior to 4.1.17, or 4.2.x prior to 4.2rc5 and is affected by a remote code execution vulnerability in the TALLOC_FREE() function of 'rpc_server/netlogon/srv_netlog_nt.c'. A remote attacker, using a specially crafted sequence of packets followed by a subsequent anonymous netlogon packet, can execute arbitrary code as the root user.


Upgrade to 3.6.25 / 4.0.25 / 4.1.17 / 4.2rc5 or later.

See Also

Plugin Details

Severity: Critical

ID: 8753

Family: Samba

Published: 2015/05/08

Updated: 2019/03/06

Dependencies: 8740, 8741

Nessus ID: 81485

Risk Information

Risk Factor: Critical

CVSS v2.0

Base Score: 10

Temporal Score: 8.7

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

Temporal Vector: CVSS2#E:ND/RL:OF/RC:C

CVSS v3.0

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:X/RL:O/RC:C

Vulnerability Information

CPE: cpe:/a:samba:samba

Patch Publication Date: 2015/02/23

Vulnerability Publication Date: 2015/02/23

Reference Information

CVE: CVE-2015-0240

BID: 72711

IAVA: 2015-A-0042