Security Update for Microsoft SharePoint Server (June 2017)

This script is Copyright (C) 2017 Tenable Network Security, Inc.


Synopsis :

An application installed on the remote Windows host is affected by
multiple vulnerabilities.

Description :

The Microsoft SharePoint Server installed on the remote Windows host
is missing a security update. It is, therefore, affected by multiple
vulnerabilities :

- Multiple remote code execution vulnerabilities exist in
Microsoft Office due to improper handling of objects in
memory. An unauthenticated, remote attacker can exploit
these, by convincing a user to open a specially crafted
document, to execute arbitrary code in the context of
the current user. (CVE-2017-8509, CVE-2017-8511,
CVE-2017-8512)

- A remote code execution vulnerability exists in
Microsoft PowerPoint due to improper handling of objects
in memory. An unauthenticated, remote attacker can
exploit this, by convincing a user to open a specially
crafted file, to execute arbitrary code in the context
of the current user. (CVE-2017-8513)

- A reflective cross-site scripting (XSS) vulnerability
exists in Microsoft SharePoint Server due improper
validation of user-supplied input in web requests. An
unauthenticated, remote attacker can exploit this, via a
specially crafted request, to execute arbitrary script
code in a user's browser session. (CVE-2017-8514)

See also :

https://portal.msrc.microsoft.com/en-us/security-guidance/summary

Solution :

Microsoft has released a set of patches for SharePoint Server 2007;
SharePoint Server 2010; SharePoint Enterprise Server 2013 and 2016;
SharePoint Foundation 2013; Word Automation Services on Microsoft
SharePoint Server 2010; and Microsoft Office Project Server 2013.

Risk factor :

High / CVSS Base Score : 9.3
(CVSS2#AV:N/AC:M/Au:N/C:C/I:C/A:C)
CVSS Temporal Score : 6.9
(CVSS2#E:U/RL:OF/RC:C)
Public Exploit Available : false

Family: Windows : Microsoft Bulletins

Nessus Plugin ID: 100787 ()

Bugtraq ID: 98812
98815
98816
98830
98831

CVE ID: CVE-2017-8509
CVE-2017-8511
CVE-2017-8512
CVE-2017-8513
CVE-2017-8514

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