Detections
Analytics
CentOS 7 : samba (CESA-2014:0867)
low Nessus Plugin ID 76432
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Synopsis
The remote CentOS host is missing one or more security updates.Description
Updated samba packages that fix three security issues are now available for Red Hat Enterprise Linux 7.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.
A denial of service flaw was found in the way the sys_recvfile() function of nmbd, the NetBIOS message block daemon, processed non-blocking sockets. An attacker could send a specially crafted packet that, when processed, would cause nmbd to enter an infinite loop and consume an excessive amount of CPU time. (CVE-2014-0244)
A flaw was found in the way Samba created responses for certain authenticated client requests when a shadow-copy VFS module was enabled. An attacker able to send an authenticated request could use this flaw to disclose limited portions of memory per each request.
(CVE-2014-0178)
It was discovered that smbd, the Samba file server daemon, did not properly handle certain files that were stored on the disk and used a valid Unicode character in the file name. An attacker able to send an authenticated non-Unicode request that attempted to read such a file could cause smbd to crash. (CVE-2014-3493)
Red Hat would like to thank Daniel Berteaud of FIREWALL-SERVICES SARL for reporting CVE-2014-0244, and the Samba project for reporting CVE-2014-0178 and CVE-2014-3493. The Samba project acknowledges Christof Schmitt as the original reporter of CVE-2014-0178, and Simon Arlott as the original reporter of CVE-2014-3493.
All Samba users are advised to upgrade to these updated packages, which contain backported patches to correct these issues. After installing this update, the smb service will be restarted automatically.
Solution
Update the affected samba packages.See Also
Plugin Details
Severity: Low
ID: 76432
File Name: centos_RHSA-2014-0867.nasl
Version: 1.10
Type: local
Agent: unix
Family: CentOS Local Security Checks
Published: 7/10/2014
Updated: 1/4/2021
Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Agentless Assessment, Nessus
Risk Information
VPR
Risk Factor: Low
Score: 3.6
CVSS v2
Risk Factor: Low
Base Score: 3.5
Temporal Score: 3
Vector: CVSS2#AV:N/AC:M/Au:S/C:P/I:N/A:N
CVSS Score Source: CVE-2014-0178
Vulnerability Information
CPE: p-cpe:/a:centos:centos:samba-winbind, p-cpe:/a:centos:centos:samba-dc, p-cpe:/a:centos:centos:samba-dc-libs, p-cpe:/a:centos:centos:samba-winbind-krb5-locator, p-cpe:/a:centos:centos:samba-test, p-cpe:/a:centos:centos:samba-python, p-cpe:/a:centos:centos:libsmbclient-devel, p-cpe:/a:centos:centos:libsmbclient, p-cpe:/a:centos:centos:samba-libs, p-cpe:/a:centos:centos:samba-devel, p-cpe:/a:centos:centos:samba-vfs-glusterfs, p-cpe:/a:centos:centos:samba-test-devel, p-cpe:/a:centos:centos:libwbclient, p-cpe:/a:centos:centos:samba-client, p-cpe:/a:centos:centos:samba, p-cpe:/a:centos:centos:samba-winbind-modules, p-cpe:/a:centos:centos:samba-common, p-cpe:/a:centos:centos:samba-winbind-clients, p-cpe:/a:centos:centos:libwbclient-devel, cpe:/o:centos:centos:7, p-cpe:/a:centos:centos:samba-pidl
Required KB Items: Host/local_checks_enabled, Host/CentOS/release, Host/CentOS/rpm-list
Exploit Ease: No known exploits are available
Patch Publication Date: 7/9/2014
Vulnerability Publication Date: 5/28/2014
Reference Information
CVE: CVE-2014-0178, CVE-2014-0244, CVE-2014-3493
RHSA: 2014:0867