Microsoft released July patch to fix 2 Microsoft Office Remote Code Execution Vulnerability – Penetration Testing

Microsoft released a July security update patch that fixes 55 security issues from simple spoofing to remote execution of code related to Internet Explorer, Microsoft Edge, Microsoft Windows, Microsoft Office, and Microsoft Office Services and Web Apps. The .NET Framework, Adobe Flash Player, and Microsoft Exchange Server.

CVE-2017-8570 – Microsoft Office Remote Code Execution Vulnerability

CVE ID

Vulnerability Description

Maximum Severity Rating

Vulnerability Impact

CVE-2017-8570MITRENVD

CVE Title: Microsoft Office Remote Code Execution VulnerabilityDescription: A remote code execution vulnerability exists in Microsoft Office software when it fails to properly handle objects in memory. An attacker who successfully exploited the vulnerability could use a specially crafted file to perform actions in the security context of the current user. For example, the file could then take actions on behalf of the logged-on user with the same permissions as the current user. Exploitation of this vulnerability requires that a user open a specially crafted file with an affected version of Microsoft Office software.In an email attack scenario, an attacker could exploit the vulnerability by sending the specially crafted file to the user and convincing the user to open the file. In a web-based attack scenario, an attacker could host a website (or leverage a compromised website that accepts or hosts user-provided content) that contains a specially crafted file that is designed to exploit the vulnerability. However, an attacker would have no way to force the user to visit the website. Instead, an attacker would have to convince the user to click a link, typically by way of an enticement in an email or Instant Messenger message, and then convince the user to open the specially crafted file.

The security update addresses the vulnerability by correcting how Microsoft Office handles files in memory.

FAQ:
NoneMitigations:
NoneWorkarounds:
NoneRevision:
1.0 2017-07-11T07:00:00 Information published.

Important

Remote Code Execution

Affected Software

The following tables list the affected software details for the vulnerability.

CVE-2017-8570

Product

KB Article

Severity

Impact

Supersedence

CVSS Score Set

Restart Required

Microsoft Office 2007 Service Pack 3

3213640 (Security Update)

Important

Remote Code Execution

3203436

Base: N/A
Temporal: N/A
Vector: N/A

Maybe

Microsoft Office 2010 Service Pack 2 (32-bit editions)

3213624 (Security Update)

Important

Remote Code Execution

3203460

Base: N/A
Temporal: N/A
Vector: N/A

Maybe

Microsoft Office 2010 Service Pack 2 (64-bit editions)

3213624 (Security Update)

Important

Remote Code Execution

3203460

Base: N/A
Temporal: N/A
Vector: N/A

Maybe

Microsoft Office 2013 RT Service Pack 1

3213555 (Security Update)

Important

Remote Code Execution

None

Base: N/A
Temporal: N/A
Vector: N/A

Maybe

Microsoft Office 2013 Service Pack 1 (32-bit editions)

3213555 (Security Update)

Important

Remote Code Execution

3203386

Base: N/A
Temporal: N/A
Vector: N/A

Maybe

Microsoft Office 2013 Service Pack 1 (64-bit editions)

3213555 (Security Update)

Important

Remote Code Execution

3203386

Base: N/A
Temporal: N/A
Vector: N/A

Maybe

Microsoft Office 2016 (32-bit edition)

3213545 (Security Update)

Important

Remote Code Execution

3191882

Base: N/A
Temporal: N/A
Vector: N/A

Maybe

Microsoft Office 2016 (64-bit edition)

3213545 (Security Update)

Important

Remote Code Execution

3191882

Base: N/A
Temporal: N/A
Vector: N/A

Maybe

CVE-2017-0243 – Microsoft Office Remote Code Execution Vulnerability

CVE ID

Vulnerability Description

Maximum Severity Rating

Vulnerability Impact

CVE-2017-0243MITRENVD

CVE Title: Microsoft Office Remote Code Execution VulnerabilityDescription: A remote code execution vulnerability exists in Microsoft Office software when it fails to properly handle objects in memory. An attacker who successfully exploited the vulnerability could use a specially crafted file to perform actions in the security context of the current user. For example, the file could then take actions on behalf of the logged-on user with the same permissions as the current user. Exploitation of this vulnerability requires that a user open a specially crafted file with an affected version of Microsoft Office software.In an email attack scenario, an attacker could exploit the vulnerability by sending the specially crafted file to the user and convincing the user to open the file. In a web-based attack scenario, an attacker could host a website (or leverage a compromised website that accepts or hosts user-provided content) that contains a specially crafted file that is designed to exploit the vulnerability. However, an attacker would have no way to force the user to visit the website. Instead, an attacker would have to convince the user to click a link, typically by way of an enticement in an email or Instant Messenger message, and then convince the user to open the specially crafted file.

The security update addresses the vulnerability by correcting how Microsoft Office handles files in memory.

FAQ:
NoneMitigations:
NoneWorkarounds:
NoneRevision:
1.0 2017-07-11T07:00:00 Information published.

Important

Remote Code Execution

Affected Software

The following tables list the affected software details for the vulnerability.

CVE-2017-0243

Product

KB Article

Severity

Impact

Supersedence

CVSS Score Set

Restart Required

Microsoft Business Productivity Servers 2010 Service Pack 2

3203459 (Security Update)

Important

Remote Code Execution

None

Base: N/A
Temporal: N/A
Vector: N/A

Maybe

Microsoft Office 2007 Service Pack 3

2880514 (Security Update)

Important

Remote Code Execution

2767772

Base: N/A
Temporal: N/A
Vector: N/A

Maybe

Microsoft Office 2010 Service Pack 2 (32-bit editions)

3203468 (Security Update)

Important

Remote Code Execution

2956073

Base: N/A
Temporal: N/A
Vector: N/A

Maybe

Microsoft Office 2010 Service Pack 2 (64-bit editions)

3203468 (Security Update)

Important

Remote Code Execution

2956073

Base: N/A
Temporal: N/A
Vector: N/A

Maybe

Microsoft Office Web Apps 2010 Service Pack 2

3203469 (Security Update)

Important

Remote Code Execution

None

Base: N/A
Temporal: N/A
Vector: N/A

Maybe

Reference: Microsoft

The post Microsoft released July patch to fix 2 Microsoft Office Remote Code Execution Vulnerability appeared first on Penetration Testing.

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