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Mandrake Linux Security Advisory : samba (MDKSA-2001:040-1)

low Nessus Plugin ID 13860

Synopsis

The remote Mandrake Linux host is missing one or more security updates.

Description

A vulnerability found by Marcus Meissner exists in Samba where it was not creating temporary files safely which could allow local users to overwrite files that they may not have access to. This happens when a remote user queried a printer queue and samba would create a temporary file in which the queue's data was written. Because Samba created the file insecurely and used a predictable filename, a local attacker could cause Samba to overwrite files that the attacker did not have access to. As well, the smbclient 'more' and 'mput' commands also created temporary files insecurely.

The vulnerability is present in Samba 2.0.7 and lower. 2.0.8 and 2.2.0 correct this behaviour.

Update :

The Samba 2.0.8 release did not entirely fix the temporary file issues in previous versions. The Samba team released 2.0.9 recently which does fix these problems completely. As well, the 8.0 packages will now not attempt to use /root/tmp as the temporary directory, but /var/tmp.

Solution

Update the affected samba, samba-client and / or samba-common packages.

Plugin Details

Severity: Low

ID: 13860

File Name: mandrake_MDKSA-2001-040.nasl

Version: 1.19

Type: local

Published: 7/31/2004

Updated: 1/6/2021

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.2

CVSS v2

Risk Factor: Low

Base Score: 2.1

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

Vulnerability Information

CPE: p-cpe:/a:mandriva:linux:samba, p-cpe:/a:mandriva:linux:samba-client, p-cpe:/a:mandriva:linux:samba-common, cpe:/o:mandrakesoft:mandrake_linux:7.1, cpe:/o:mandrakesoft:mandrake_linux:7.2, cpe:/o:mandrakesoft:mandrake_linux:8.0

Required KB Items: Host/local_checks_enabled, Host/cpu, Host/Mandrake/release, Host/Mandrake/rpm-list

Patch Publication Date: 5/21/2001

Reference Information

CVE: CVE-2001-0406

MDKSA: 2001:040-1