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Samba idmap_ad.so Winbind nss_info Extension Local Privilege Escalation

medium Nessus Plugin ID 17719

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Synopsis

The remote Samba server is affected by a local privilege escalation vulnerability.

Description

According to its banner, the version of the Samba server installed on the remote host is affected by a local privilege escalation vulnerability. Specifically, the Winbind nss_info extension, when the 'winbind nss info' option is set to 'rfc2307' or 'sfu', grants local users the privileges of gid 0 if the 'RFC2307' or 'Services for UNIX' primary group attribute is not defined.

Solution

Upgrade to Samba version 3.0.26 or later.

See Also

https://www.samba.org/samba/security/CVE-2007-4138.html

Plugin Details

Severity: Medium

ID: 17719

File Name: samba_3_0_26.nasl

Version: 1.6

Type: remote

Family: Misc.

Published: 11/18/2011

Updated: 7/27/2018

Configuration: Enable paranoid mode

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: Medium

Base Score: 6.9

Temporal Score: 5.1

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

Vulnerability Information

CPE: cpe:/a:samba:samba

Required KB Items: Settings/ParanoidReport, SMB/NativeLanManager

Exploit Ease: No known exploits are available

Patch Publication Date: 9/11/2007

Vulnerability Publication Date: 9/11/2007

Reference Information

CVE: CVE-2007-4138

BID: 25636

CWE: 264