Multiple vulnerabilities in Microsoft Office

Published: 2017-09-12 21:28:54
Severity High
Patch available YES
Number of vulnerabilities 5
CVSSv2 6.9 (AV:N/AC:M/Au:N/C:C/I:C/A:C/E:U/RL:OF/RC:C)
6.9 (AV:N/AC:M/Au:N/C:C/I:C/A:C/E:U/RL:OF/RC:C)
6.9 (AV:N/AC:M/Au:N/C:C/I:C/A:C/E:U/RL:OF/RC:C)
6.9 (AV:N/AC:M/Au:N/C:C/I:C/A:C/E:U/RL:OF/RC:C)
6.9 (AV:N/AC:M/Au:N/C:C/I:C/A:C/E:U/RL:OF/RC:C)
CVSSv3 8.3 [CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]
8.3 [CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]
8.3 [CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]
8.3 [CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]
8.3 [CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE ID CVE-2017-8630
CVE-2017-8631
CVE-2017-8632
CVE-2017-8744
CVE-2017-8567
CWE ID CWE-119
Exploitation vector Network
Public exploit Not available
Vulnerable software Microsoft Office
Microsoft Excel
Microsoft Excel for Mac
Microsoft Office Compatibility Pack
Microsoft Office Web Apps
Excel Services on Microsoft SharePoint Server
Office Online Server
Microsoft Excel Web App
Vulnerable software versions Microsoft Office 2016
Microsoft Office 2013 RT
Microsoft Office 2010 Service Pack 2
Microsoft Office 2007
Microsoft Office 2013
Microsoft Excel 2013 RT Service Pack 1
Microsoft Excel 2007
Microsoft Excel 2010
Show more
Microsoft Excel for Mac 2011
Microsoft Excel for Mac 2016
Microsoft Office Compatibility Pack Service Pack 3
Microsoft Office Web Apps 2013 Service Pack 1
Excel Services on Microsoft SharePoint Server 2007
Excel Services on Microsoft SharePoint Server 2010
Office Online Server 2016
Microsoft Excel Web App 2013 Service Pack 1
Vendor URL Microsoft
Advisory type Public

Security Advisory

1) Memory corruption

Description

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

The vulnerability exists due to boundary error when processing office files. A remote unauthenticated attacker can create a specially crafted Office file, trick the victim into opening it, trigger memory corruption and execute arbitrary code on the target system.

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

Remediation

Install updates from vendor's website.

External links

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-8630

2) Memory corruption

Description

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

The vulnerability exists due to boundary error when processing Excel files. A remote unauthenticated attacker can create a specially crafted Excel file, trick the victim into opening it, trigger memory corruption 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.

Remediation

Install updates from vendor's website.

External links

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-8631

3) Memory corruption

Description

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

The vulnerability exists due to boundary error when processing Excel files. A remote unauthenticated attacker can create a specially crafted Excel file, trick the victim into opening it, trigger memory corruption 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.

Remediation

Install updates from vendor's website.

External links

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-8632

4) Memory corruption

Description

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

The vulnerability exists due to boundary error when processing Office files. A remote unauthenticated attacker can create a specially crafted Office file, trick the victim into opening it, trigger memory corruption 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.

Remediation

Install updates from vendor's website.

External links

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-8744

5) Buffer overflow

Description

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

The vulnerability exists due to boundary error when processing Excel files. A remote unauthenticated attacker can create a specially crafted Excel file, trick the victim into opening it, trigger memory corruption 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.

Remediation

Install updates from vendor's website.

External links

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-8567

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