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Test ID:
Category:Red Hat Local Security Checks
Title:RedHat Update for samba RHSA-2014:0867-01
Summary:The remote host is missing an update for the 'samba'; package(s) announced via the referenced advisory.
The remote host is missing an update for the 'samba'
package(s) announced via the referenced advisory.

Vulnerability Insight:
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.

Affected Software/OS:
samba on Red Hat Enterprise Linux Server (v. 7)

Please Install the Updated Packages.

CVSS Score:

CVSS Vector:

Cross-Ref: Common Vulnerability Exposure (CVE) ID: CVE-2014-0178
BugTraq ID: 67686
Bugtraq: 20140711 [ MDVSA-2014:136 ] samba (Google Search)
Common Vulnerability Exposure (CVE) ID: CVE-2014-0244
BugTraq ID: 68148
RedHat Security Advisories: RHSA-2014:0866
Common Vulnerability Exposure (CVE) ID: CVE-2014-3493
BugTraq ID: 68150
CopyrightCopyright (C) 2014 Greenbone Networks GmbH

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