Remote code execution in Windows Uniscribe

Published: 2017-09-12 22:29:21 | Updated: 2017-09-12 22:31:12
Severity High
Patch available YES
Number of vulnerabilities 2
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)
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]
CVE ID CVE-2017-8692
CVE-2017-8696
CWE ID CWE-119
Exploitation vector Network
Public exploit Not available
Vulnerable software Windows
Windows Server
Microsoft Office
Microsoft Word
Microsoft Office Web Apps
Skype for Business
Microsoft Lync
Microsoft Live Meeting
Lync Attendee
Vulnerable software versions Windows 8.1
Windows 10
Windows RT 8.1
Windows 7
Windows Server 2012
Windows Server 2012 R2
Windows Server 2016
Windows Server 2008
Windows Server 2008 R2
Microsoft Office 2010 Service Pack 2
Microsoft Office 2007
Microsoft Word Viewer
Microsoft Office Web Apps 2010 Service Pack 2
Skype for Business 2016
Microsoft Lync 2010
Microsoft Lync 2013
Microsoft Live Meeting 2007 Console
Microsoft Live Meeting 2007 Add-in
Lync Attendee 2010
Vendor URL Microsoft
Advisory type Public

Security Advisory

1) Buffer overflow

Description

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

A remote code execution vulnerability exists due to the way Windows Uniscribe handles objects in memory. A remote unauthenticated attacker can 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-2017-8692

2) Buffer overflow

Description

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

A remote code execution vulnerability exists due to the way Windows Uniscribe handles objects in memory.  A remote unauthenticated attacker can 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-2017-8696

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