Oracle Linux 5 : samba (ELSA-2008-0290)

This script is Copyright (C) 2013-2016 Tenable Network Security, Inc.

Synopsis :

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

Description :

From Red Hat Security Advisory 2008:0290 :

Updated samba packages that fix a security issue and two bugs are now
available for Red Hat Enterprise Linux 5.

This update has been rated as having critical security impact by the
Red Hat Security Response Team.

Samba is a suite of programs used by machines to share files,
printers, and other information.

A heap-based buffer overflow flaw was found in the way Samba clients
handle over-sized packets. If a client connected to a malicious Samba
server, it was possible to execute arbitrary code as the Samba client
user. It was also possible for a remote user to send a specially
crafted print request to a Samba server that could result in the
server executing the vulnerable client code, resulting in arbitrary
code execution with the permissions of the Samba server.

Red Hat would like to thank Alin Rad Pop of Secunia Research for
responsibly disclosing this issue.

This update also addresses two issues which prevented Samba from
joining certain Windows domains with tightened security policies, and
prevented certain signed SMB content from working as expected :

* when some Windows(r) 2000-based domain controllers were set to use
mandatory signing, Samba clients would drop the connection because of
an error when generating signatures. This presented as a 'Server
packet had invalid SMB signature' error to the Samba client. This
update corrects the signature generation error.

* Samba servers using the 'net ads join' command to connect to a
Windows Server(r) 2003-based domain would fail with 'failed to get
schannel session key from server' and 'NT_STATUS_ACCESS_DENIED'
errors. This update correctly binds to the NETLOGON share, allowing
Samba servers to connect to the domain properly.

Users of Samba are advised to upgrade to these updated packages, which
contain a backported patch to resolve these issues.

See also :

Solution :

Update the affected samba packages.

Risk factor :

High / CVSS Base Score : 7.5
CVSS Temporal Score : 5.9
Public Exploit Available : true

Family: Oracle Linux Local Security Checks

Nessus Plugin ID: 67694 ()

Bugtraq ID: 29404

CVE ID: CVE-2008-1105

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