Two vulnerabilities in Microsoft PowerPoint

Published: 2017-09-12 22:26:01
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-2017-8743
CVE-2017-8742
CWE ID CWE-119
Exploitation vector Network
Public exploit Not available
Vulnerable software Microsoft SharePoint Server
Microsoft PowerPoint
Office Online Server
Microsoft Office Compatibility Pack
Microsoft Office Web Apps
Microsoft Office Web Apps Server
Vulnerable software versions Microsoft SharePoint Server 2016
Microsoft SharePoint Server 2013
Microsoft PowerPoint 2016
Microsoft PowerPoint 2010 Service Pack 2
Microsoft PowerPoint 2013 Service Pack 1
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Office Online Server 2016
Microsoft Office Compatibility Pack Service Pack 3
Microsoft Office Web Apps 2010 Service Pack 2
Microsoft Office Web Apps Server 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 in Microsoft Office software due to improper handling of objects in memory. A remote attacker can trick the victim into visiting a specially crafted website, trigger memory corruption and execute arbitrary code 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-2017-8743

2) Memory corruption

Description

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

The vulnerability exists in Microsoft Office software due to improper handling of objects in memory. A remote attacker can trick the victim into visiting a specially crafted website, trigger memory corruption and execute arbitrary code 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-2017-8742

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