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kasperskyKaspersky LabKLA11183
HistoryJan 19, 2018 - 12:00 a.m.

KLA11183 Memory corruption vulnerabilities in Microsoft Office

2018-01-1900:00:00
Kaspersky Lab
threats.kaspersky.com
87

8.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

8.7 High

AI Score

Confidence

High

9.3 High

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:N/AC:M/Au:N/C:C/I:C/A:C

0.196 Low

EPSS

Percentile

96.2%

Detect date:

01/19/2018

Severity:

Warning

Description:

Memory corruption vulnerabilities was found in Microsoft Office software. By exploiting this vulnerability malicious users can execute arbitrary code. This vulnerability can be exploited via specially crafted file to execute arbitrary code.

Affected products:

Microsoft Office 2007 Service Pack 3
Microsoft Office 2010 Service Pack 2 (32-bit editions)
Microsoft Office 2010 Service Pack 2 (64-bit editions)
Microsoft Office 2013 Service Pack 1 (32-bit editions)
Microsoft Office 2013 Service Pack 1 (64-bit editions)
Microsoft Office 2016 (32-bit edition)
Microsoft Office 2016 (64-bit edition)
Microsoft Office 2016 Click-to-Run (C2R) for 32-bit editions
Microsoft Office 2016 Click-to-Run (C2R) for 64-bit editions
Microsoft Office Compatibility Pack Service Pack 3
Microsoft Word 2007 Service Pack 3
Microsoft Word 2010 Service Pack 2 (32-bit editions)
Microsoft Word 2010 Service Pack 2 (64-bit editions)
Microsoft Word 2013 RT Service Pack 1
Microsoft Word 2013 Service Pack 1 (32-bit editions)
Microsoft Word 2013 Service Pack 1 (64-bit editions)
Microsoft Word 2016 (32-bit edition)
Microsoft Word 2016 (64-bit edition)

Solution:

Install necessary updates from the KB section, that are listed in your Windows Update (Windows Update usually can be accessed from the Control Panel)

Original advisories:

CVE-2018-0849
CVE-2018-0862
CVE-2018-0848
CVE-2018-0845

Impacts:

SB

Related products:

Microsoft Office

CVE-IDS:

CVE-2018-08499.3Critical
CVE-2018-08629.3Critical
CVE-2018-08489.3Critical
CVE-2018-08459.3Critical

Microsoft official advisories:

KB list:

4011651
4011643
4011607
4011657
4011659
4011656
4011574
4011610

References

8.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

8.7 High

AI Score

Confidence

High

9.3 High

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:N/AC:M/Au:N/C:C/I:C/A:C

0.196 Low

EPSS

Percentile

96.2%