Multiple vulnerabilities in Microsoft Office



Published: 2015-08-11
Risk Critical
Patch available YES
Number of vulnerabilities 8
CVE-ID CVE-2015-2470
CVE-2015-2466
CVE-2015-2423
CVE-2015-2477
CVE-2015-2469
CVE-2015-2468
CVE-2015-2467
CVE-2015-1642
CWE-ID CWE-191
CWE-119
CWE-20
Exploitation vector Network
Public exploit Public exploit code for vulnerability #1 is available.
Public exploit code for vulnerability #5 is available.
Public exploit code for vulnerability #6 is available.
Public exploit code for vulnerability #7 is available.
Vulnerability #8 is being exploited in the wild.
Vulnerable software
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Microsoft Office
Client/Desktop applications / Office applications

Microsoft Office for Mac
Client/Desktop applications / Office applications

Microsoft Word
Client/Desktop applications / Office applications

Microsoft Visio
Client/Desktop applications / Office applications

Microsoft PowerPoint
Client/Desktop applications / Office applications

Microsoft Excel
Client/Desktop applications / Office applications

Microsoft Office Compatibility Pack
Client/Desktop applications / Office applications

Microsoft SharePoint Server
Server applications / Application servers

Word Automation Services on Microsoft SharePoint Server
Server applications / Other server solutions

Vendor Microsoft

Security Bulletin

This security bulletin contains information about 8 vulnerabilities.

1) Integer underflow

EUVDB-ID: #VU5293

Risk: High

CVSSv3.1:

CVE-ID: CVE-2015-2470

CWE-ID: CWE-191 - Integer Underflow (Wrap or Wraparound)

Exploit availability: Yes

Description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to integer underflow when processing Microsoft Office files. A remote attacker can trick the victim into opening a specially crafted Office file and execute arbitrary commands on the target system with privileges of the current user.

Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.

Mitigation

Install updates from Microsoft website.

Vulnerable software versions

Microsoft Office: 2007 - 2013 RT

Microsoft Office for Mac: 2011

Microsoft Word: Viewer


CPE2.3 External links

http://technet.microsoft.com/en-us/library/security/ms15-081.aspx

Q & A

Can this vulnerability be exploited remotely?

How the attacker can exploit this vulnerability?

Is there known malware, which exploits this vulnerability?

2) Memory corruption

EUVDB-ID: #VU5292

Risk: High

CVSSv3.1:

CVE-ID: CVE-2015-2466

CWE-ID: CWE-119 - Improper Restriction of Operations within the Bounds of a Memory Buffer

Exploit availability: No

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to boundary error when processing Microsoft Office documents. A remote unauthenticated attacker can create a specially crafted Office document, trick the victim into opening it and execute arbitrary code on the target system with privileges of the current user.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


Mitigation

Install updates from Microsoft website.

Vulnerable software versions

Microsoft Office: 2007 - 2016


CPE2.3 External links

http://technet.microsoft.com/en-us/library/security/ms15-081.aspx

Q & A

Can this vulnerability be exploited remotely?

How the attacker can exploit this vulnerability?

Is there known malware, which exploits this vulnerability?

3) Input validation error

EUVDB-ID: #VU5291

Risk: High

CVSSv3.1:

CVE-ID: CVE-2015-2423

CWE-ID: CWE-20 - Improper Input Validation

Exploit availability: No

Description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to input validation error when processing command line parameters in Microsoft Office files at a medium integrity level within Internet Explorer running in Enhanced Protection Mode (EPM). A remote attacker can trick the victim into opening a specially crafted Office file and execute arbitrary commands on the target system with privileges of the current user.

The vulnerability resides within Microsoft Windows, Internet Explorer, and Microsoft Office.

Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.

Mitigation

Install updates from Microsoft website.

Vulnerable software versions

Microsoft Visio: 2007 - 2016

Microsoft Word: 2007 - 2016

Microsoft Office: 2010

Microsoft PowerPoint: 2007 - 2013 RT Service Pack 1

Microsoft Excel: 2007 - 2013 RT Service Pack 1


CPE2.3 External links

http://technet.microsoft.com/en-us/library/security/ms15-081.aspx

Q & A

Can this vulnerability be exploited remotely?

How the attacker can exploit this vulnerability?

Is there known malware, which exploits this vulnerability?

4) Memory corruption

EUVDB-ID: #VU5290

Risk: High

CVSSv3.1:

CVE-ID: CVE-2015-2477

CWE-ID: CWE-119 - Improper Restriction of Operations within the Bounds of a Memory Buffer

Exploit availability: No

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to boundary error when processing Microsoft Word documents. A remote unauthenticated attacker can create a specially crafted Word document, trick the victim into opening it and execute arbitrary code on the target system with privileges of the current user.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


Mitigation

Install updates from Microsoft website.

Vulnerable software versions

Microsoft Office: 2007

Microsoft Office for Mac: 2011 - 2016

Microsoft Word: Viewer


CPE2.3 External links

http://technet.microsoft.com/en-us/library/security/ms15-081.aspx

Q & A

Can this vulnerability be exploited remotely?

How the attacker can exploit this vulnerability?

Is there known malware, which exploits this vulnerability?

5) Memory corruption

EUVDB-ID: #VU5289

Risk: High

CVSSv3.1:

CVE-ID: CVE-2015-2469

CWE-ID: CWE-119 - Improper Restriction of Operations within the Bounds of a Memory Buffer

Exploit availability: Yes

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to boundary error when processing Microsoft Office documents. A remote unauthenticated attacker can create a specially crafted Office document, trick the victim into opening it and execute arbitrary code on the target system with privileges of the current user.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


Mitigation

Install updates from Microsoft website.

Vulnerable software versions

Microsoft Word: 2007 - 2010

Microsoft Office: 2010

Microsoft Office for Mac: 2011


CPE2.3 External links

http://technet.microsoft.com/en-us/library/security/ms15-081.aspx

Q & A

Can this vulnerability be exploited remotely?

How the attacker can exploit this vulnerability?

Is there known malware, which exploits this vulnerability?

6) Memory corruption

EUVDB-ID: #VU5288

Risk: High

CVSSv3.1:

CVE-ID: CVE-2015-2468

CWE-ID: CWE-119 - Improper Restriction of Operations within the Bounds of a Memory Buffer

Exploit availability: Yes

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to boundary error when processing Microsoft Office documents. A remote unauthenticated attacker can create a specially crafted Office document, trick the victim into opening it and execute arbitrary code on the target system with privileges of the current user.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation

Install updates from Microsoft website.

Vulnerable software versions

Microsoft Word: 2007 - 2013 RT Service Pack 1

Microsoft Office: 2010

Microsoft Office for Mac: 2011 - 2016

Microsoft Office Compatibility Pack: Service Pack 3

Microsoft SharePoint Server: 2010 - 2013

Word Automation Services on Microsoft SharePoint Server: 2010 - 2013


CPE2.3 External links

http://technet.microsoft.com/en-us/library/security/ms15-081.aspx

Q & A

Can this vulnerability be exploited remotely?

How the attacker can exploit this vulnerability?

Is there known malware, which exploits this vulnerability?

7) Memory corruption

EUVDB-ID: #VU5287

Risk: High

CVSSv3.1:

CVE-ID: CVE-2015-2467

CWE-ID: CWE-119 - Improper Restriction of Operations within the Bounds of a Memory Buffer

Exploit availability: Yes

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to boundary error when processing Microsoft Office documents. A remote unauthenticated attacker can create a specially crafted Office document, trick the victim into opening it and execute arbitrary code on the target system with privileges of the current user.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


Mitigation

Install updates from Microsoft website.

Vulnerable software versions

Microsoft Office: 2007


CPE2.3 External links

http://technet.microsoft.com/en-us/library/security/ms15-081.aspx

Q & A

Can this vulnerability be exploited remotely?

How the attacker can exploit this vulnerability?

Is there known malware, which exploits this vulnerability?

8) Memory corruption

EUVDB-ID: #VU5285

Risk: Critical

CVSSv3.1:

CVE-ID: CVE-2015-1642

CWE-ID: CWE-119 - Improper Restriction of Operations within the Bounds of a Memory Buffer

Exploit availability: No

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to boundary error when processing Microsoft Office documents. A remote unauthenticated attacker can create a specially crafted Office document, trick the victim into opening it and execute arbitrary code on the target system with privileges of the current user.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Note: this vulnerability is being actively exploited.

Mitigation

Install updates from Microsoft website.

Vulnerable software versions

Microsoft Office: 2007 - 2013


CPE2.3 External links

http://technet.microsoft.com/en-us/library/security/ms15-081.aspx

Q & A

Can this vulnerability be exploited remotely?

How the attacker can exploit this vulnerability?

Is there known malware, which exploits this vulnerability?



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