Executive Summary

Summary
Titlesamba security update
Informations
NameRHSA-2017:1270First vendor Publication2017-05-24
VendorRedHatLast vendor Modification2017-05-24
Severity (Vendor) N/ARevision01

Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:L/Au:N/C:C/I:C/A:C)
Cvss Base Score10Attack RangeNetwork
Cvss Impact Score10Attack ComplexityLow
Cvss Expoit Score10AuthenticationNone Required
Calculate full CVSS 2.0 Vectors scores

Detail

Problem Description:

An update for samba is now available for Red Hat Enterprise Linux 6 and Red Hat Enterprise Linux 7.

Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

2. Relevant releases/architectures:

Red Hat Enterprise Linux Client (v. 7) - noarch, x86_64 Red Hat Enterprise Linux Client Optional (v. 7) - noarch, x86_64 Red Hat Enterprise Linux ComputeNode (v. 7) - noarch, x86_64 Red Hat Enterprise Linux ComputeNode Optional (v. 7) - noarch, x86_64 Red Hat Enterprise Linux Desktop (v. 6) - i386, x86_64 Red Hat Enterprise Linux Desktop Optional (v. 6) - i386, x86_64 Red Hat Enterprise Linux HPC Node (v. 6) - x86_64 Red Hat Enterprise Linux HPC Node Optional (v. 6) - x86_64 Red Hat Enterprise Linux Server (v. 6) - i386, ppc64, s390x, x86_64 Red Hat Enterprise Linux Server (v. 7) - aarch64, noarch, ppc64, ppc64le, s390x, x86_64 Red Hat Enterprise Linux Server Optional (v. 6) - i386, ppc64, s390x, x86_64 Red Hat Enterprise Linux Server Optional (v. 7) - aarch64, noarch, ppc64, ppc64le, s390x, x86_64 Red Hat Enterprise Linux Server Resilient Storage (v. 7) - x86_64 Red Hat Enterprise Linux Workstation (v. 6) - i386, x86_64 Red Hat Enterprise Linux Workstation (v. 7) - noarch, x86_64 Red Hat Enterprise Linux Workstation Optional (v. 6) - i386, x86_64 Red Hat Enterprise Linux Workstation Optional (v. 7) - noarch, x86_64

3. Description:

Samba is an open-source implementation of the Server Message Block (SMB) protocol and the related Common Internet File System (CIFS) protocol, which allow PC-compatible machines to share files, printers, and various information.

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)

Red Hat would like to thank the Samba project for reporting this issue. Upstream acknowledges steelo as the original reporter.

4. Solution:

For details on how to apply this update, which includes the changes described in this advisory, refer to:

https://access.redhat.com/articles/11258

After installing this update, the smb service will be restarted automatically.

5. Bugs fixed (https://bugzilla.redhat.com/):

1450347 - CVE-2017-7494 samba: Loading shared modules from any path in the system leading to RCE

Original Source

Url : https://rhn.redhat.com/errata/RHSA-2017-1270.html

CWE : Common Weakness Enumeration

%idName
100 %CWE-94Failure to Control Generation of Code ('Code Injection')

CPE : Common Platform Enumeration

TypeDescriptionCount
Application161

SAINT Exploits

DescriptionLink
Samba shared library upload and executionMore info here

Snort® IPS/IDS

DateDescription
2017-05-25Samba is_known_pipe arbitrary module load code execution attempt
RuleID : 43004-community - Revision : 4 - Type : SERVER-SAMBA
2017-06-27Samba is_known_pipe arbitrary module load code execution attempt
RuleID : 43004 - Revision : 4 - Type : SERVER-SAMBA

Nessus® Vulnerability Scanner

DateDescription
2018-05-23Name : The remote Gentoo host is missing one or more security-related patches.
File : gentoo_GLSA-201805-07.nasl - Type : ACT_GATHER_INFO
2017-10-23Name : The remote device is affected by multiple vulnerabilities.
File : juniper_space_jsa_10826.nasl - Type : ACT_GATHER_INFO
2017-07-17Name : The remote Fedora host is missing a security update.
File : fedora_2017-c729c6123c.nasl - Type : ACT_GATHER_INFO
2017-07-13Name : The remote Virtuozzo host is missing a security update.
File : Virtuozzo_VZLSA-2017-1270.nasl - Type : ACT_GATHER_INFO
2017-07-13Name : The remote Virtuozzo host is missing a security update.
File : Virtuozzo_VZLSA-2017-1271.nasl - Type : ACT_GATHER_INFO
2017-06-09Name : The remote EulerOS host is missing multiple security updates.
File : EulerOS_SA-2017-1104.nasl - Type : ACT_GATHER_INFO
2017-06-09Name : The remote EulerOS host is missing multiple security updates.
File : EulerOS_SA-2017-1105.nasl - Type : ACT_GATHER_INFO
2017-06-06Name : The remote Red Hat host is missing one or more security updates.
File : redhat-RHSA-2017-1390.nasl - Type : ACT_GATHER_INFO
2017-06-01Name : The remote Amazon Linux AMI host is missing a security update.
File : ala_ALAS-2017-834.nasl - Type : ACT_GATHER_INFO
2017-05-30Name : The remote Fedora host is missing a security update.
File : fedora_2017-570c0071c4.nasl - Type : ACT_GATHER_INFO
2017-05-30Name : The remote Fedora host is missing a security update.
File : fedora_2017-642a0eca75.nasl - Type : ACT_GATHER_INFO
2017-05-30Name : The remote openSUSE host is missing a security update.
File : openSUSE-2017-618.nasl - Type : ACT_GATHER_INFO
2017-05-30Name : The remote Oracle Linux host is missing one or more security updates.
File : oraclelinux_ELSA-2017-1272.nasl - Type : ACT_GATHER_INFO
2017-05-26Name : The remote Red Hat host is missing one or more security updates.
File : redhat-RHSA-2017-1272.nasl - Type : ACT_GATHER_INFO
2017-05-26Name : The remote Red Hat host is missing one or more security updates.
File : redhat-RHSA-2017-1273.nasl - Type : ACT_GATHER_INFO
2017-05-26Name : The remote CentOS host is missing one or more security updates.
File : centos_RHSA-2017-1270.nasl - Type : ACT_GATHER_INFO
2017-05-26Name : The remote CentOS host is missing one or more security updates.
File : centos_RHSA-2017-1271.nasl - Type : ACT_GATHER_INFO
2017-05-25Name : The remote Slackware host is missing a security update.
File : Slackware_SSA_2017-144-01.nasl - Type : ACT_GATHER_INFO
2017-05-25Name : The remote Debian host is missing a security update.
File : debian_DLA-951.nasl - Type : ACT_GATHER_INFO
2017-05-25Name : The remote Debian host is missing a security-related update.
File : debian_DSA-3860.nasl - Type : ACT_GATHER_INFO
2017-05-25Name : The remote FreeBSD host is missing one or more security-related updates.
File : freebsd_pkg_6f4d96c0406211e7b291b499baebfeaf.nasl - Type : ACT_GATHER_INFO
2017-05-25Name : The remote openSUSE host is missing a security update.
File : openSUSE-2017-613.nasl - Type : ACT_GATHER_INFO
2017-05-25Name : The remote Oracle Linux host is missing one or more security updates.
File : oraclelinux_ELSA-2017-1270.nasl - Type : ACT_GATHER_INFO
2017-05-25Name : The remote Oracle Linux host is missing one or more security updates.
File : oraclelinux_ELSA-2017-1271.nasl - Type : ACT_GATHER_INFO
2017-05-25Name : The remote Red Hat host is missing one or more security updates.
File : redhat-RHSA-2017-1270.nasl - Type : ACT_GATHER_INFO
2017-05-25Name : The remote Red Hat host is missing one or more security updates.
File : redhat-RHSA-2017-1271.nasl - Type : ACT_GATHER_INFO
2017-05-25Name : The remote Scientific Linux host is missing one or more security updates.
File : sl_20170524_samba4_on_SL6_x.nasl - Type : ACT_GATHER_INFO
2017-05-25Name : The remote Scientific Linux host is missing one or more security updates.
File : sl_20170524_samba_on_SL6_x.nasl - Type : ACT_GATHER_INFO
2017-05-25Name : The remote SUSE host is missing one or more security updates.
File : suse_SU-2017-1391-1.nasl - Type : ACT_GATHER_INFO
2017-05-25Name : The remote SUSE host is missing one or more security updates.
File : suse_SU-2017-1392-1.nasl - Type : ACT_GATHER_INFO
2017-05-25Name : The remote SUSE host is missing one or more security updates.
File : suse_SU-2017-1393-1.nasl - Type : ACT_GATHER_INFO
2017-05-25Name : The remote SUSE host is missing one or more security updates.
File : suse_SU-2017-1396-1.nasl - Type : ACT_GATHER_INFO
2017-05-25Name : The remote Ubuntu host is missing a security-related patch.
File : ubuntu_USN-3296-1.nasl - Type : ACT_GATHER_INFO
2017-05-25Name : The remote Ubuntu host is missing a security-related patch.
File : ubuntu_USN-3296-2.nasl - Type : ACT_GATHER_INFO
2017-05-24Name : The remote Samba server is affected by a remote code execution vulnerability.
File : samba_4_6_4.nasl - Type : ACT_GATHER_INFO

Alert History

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DateInformations
2018-01-05 09:26:26
  • Multiple Updates
2017-07-14 13:24:51
  • Multiple Updates
2017-06-02 13:24:34
  • Multiple Updates
2017-05-27 13:25:58
  • Multiple Updates
2017-05-26 13:23:22
  • Multiple Updates
2017-05-24 17:22:33
  • First insertion