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Scientific Linux Security Update : samba4 on SL6.x i386/x86_64 (20170524) (SambaCry)

critical Nessus Plugin ID 100402

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Synopsis

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

Description

Security Fix(es) :

 - A remote code execution flaw was found in Samba. A malicious authenticated samba client, having write access to the samba share, could use this flaw to execute arbitrary code as root. (CVE-2017-7494)

Solution

Update the affected packages.

See Also

http://www.nessus.org/u?cc175005

Plugin Details

Severity: Critical

ID: 100402

File Name: sl_20170524_samba4_on_SL6_x.nasl

Version: 3.15

Type: local

Agent: unix

Published: 5/25/2017

Updated: 3/30/2023

Supported Sensors: Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: High

Score: 7.4

CVSS v2

Risk Factor: Critical

Base Score: 10

Temporal Score: 8.3

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

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 9.1

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:F/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:fermilab:scientific_linux:samba4-client, p-cpe:/a:fermilab:scientific_linux:samba4-debuginfo, p-cpe:/a:fermilab:scientific_linux:samba4-test, p-cpe:/a:fermilab:scientific_linux:samba4-devel, p-cpe:/a:fermilab:scientific_linux:samba4-winbind, p-cpe:/a:fermilab:scientific_linux:samba4-dc, x-cpe:/o:fermilab:scientific_linux, p-cpe:/a:fermilab:scientific_linux:samba4-winbind-krb5-locator, p-cpe:/a:fermilab:scientific_linux:samba4-pidl, p-cpe:/a:fermilab:scientific_linux:samba4-dc-libs, p-cpe:/a:fermilab:scientific_linux:samba4-common, p-cpe:/a:fermilab:scientific_linux:samba4, p-cpe:/a:fermilab:scientific_linux:samba4-libs, p-cpe:/a:fermilab:scientific_linux:samba4-python, p-cpe:/a:fermilab:scientific_linux:samba4-winbind-clients

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 5/24/2017

Vulnerability Publication Date: 5/30/2017

CISA Known Exploited Vulnerability Due Dates: 4/20/2023

Exploitable With

CANVAS (CANVAS)

Core Impact

Metasploit (Samba is_known_pipename() Arbitrary Module Load)

Reference Information

CVE: CVE-2017-7494