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RHEL 6 : samba4 (RHSA-2013:1543)

medium Nessus Plugin ID 71003

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Synopsis

The remote Red Hat host is missing one or more security updates.

Description

Updated samba4 packages that fix one security issue and two bugs are now available for Red Hat Enterprise Linux 6.

The Red Hat Security Response Team has rated this update as having moderate security impact. Common Vulnerability Scoring System (CVSS) base scores, which give detailed severity ratings, are available for each vulnerability from the CVE links in the References section.

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

An integer overflow flaw was found in the way Samba handled an Extended Attribute (EA) list provided by a client. A malicious client could send a specially crafted EA list that triggered an overflow, causing the server to loop and reprocess the list using an excessive amount of memory. (CVE-2013-4124)

Note: This issue did not affect the default configuration of the Samba server.

This update fixes the following bugs :

* When Samba was installed in the build root directory, the RPM target might not have existed. Consequently, the find-debuginfo.sh script did not create symbolic links for the libwbclient.so.debug module associated with the target. With this update, the paths to the symbolic links are relative so that the symbolic links are now created correctly. (BZ#882338)

* Previously, the samba4 packages were missing a dependency for the libreplace.so module which could lead to installation failures. With this update, the missing dependency has been added to the dependency list of the samba4 packages and installation now proceeds as expected.
(BZ#911264)

All samba4 users are advised to upgrade to these updated packages, which contain a backported patch to correct these issues.

Solution

Update the affected packages.

See Also

https://access.redhat.com/errata/RHSA-2013:1543

https://access.redhat.com/security/cve/cve-2013-4124

Plugin Details

Severity: Medium

ID: 71003

File Name: redhat-RHSA-2013-1543.nasl

Version: 1.16

Type: local

Agent: unix

Published: 11/21/2013

Updated: 1/14/2021

Supported Sensors: Agentless Assessment, Continuous Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.9

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

Vulnerability Information

CPE: p-cpe:/a:redhat:enterprise_linux:samba4-dc-libs, p-cpe:/a:redhat:enterprise_linux:samba4-python, p-cpe:/a:redhat:enterprise_linux:samba4, p-cpe:/a:redhat:enterprise_linux:samba4-winbind-clients, cpe:/o:redhat:enterprise_linux:6, p-cpe:/a:redhat:enterprise_linux:samba4-swat, p-cpe:/a:redhat:enterprise_linux:samba4-debuginfo, p-cpe:/a:redhat:enterprise_linux:samba4-winbind-krb5-locator, p-cpe:/a:redhat:enterprise_linux:samba4-devel, p-cpe:/a:redhat:enterprise_linux:samba4-dc, p-cpe:/a:redhat:enterprise_linux:samba4-client, p-cpe:/a:redhat:enterprise_linux:samba4-libs, p-cpe:/a:redhat:enterprise_linux:samba4-pidl, p-cpe:/a:redhat:enterprise_linux:samba4-winbind, p-cpe:/a:redhat:enterprise_linux:samba4-test, p-cpe:/a:redhat:enterprise_linux:samba4-common

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 11/21/2013

Vulnerability Publication Date: 8/5/2013

Reference Information

CVE: CVE-2013-4124

BID: 61597

RHSA: 2013:1543