Two vulnerabilities in Microsoft PowerPoint
| Risk | High |
| Patch available | YES |
| Number of vulnerabilities | 2 |
| CVE-ID | CVE-2017-8743 CVE-2017-8742 |
| CWE-ID | CWE-119 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
Microsoft SharePoint Server Server applications / Application servers Microsoft Office Web Apps Server Server applications / Application servers Microsoft PowerPoint Client/Desktop applications / Office applications Microsoft Office Compatibility Pack Client/Desktop applications / Office applications Microsoft Office Web Apps Client/Desktop applications / Office applications Office Online Server Server applications / Other server solutions |
| Vendor | Microsoft |
Security Bulletin
This security bulletin contains information about 2 vulnerabilities.
1) Memory corruption
EUVDB-ID: #VU8308
Risk: High
CVSSv3.1: 8.3 [CVSS:3.1/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
CWE-ID:
CWE-119 - Memory corruption
Exploit availability: No
DescriptionThe 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.
MitigationInstall updates from vendor's website.
Vulnerable software versionsMicrosoft SharePoint Server: 2016
Microsoft PowerPoint: 2016
Office Online Server : 2016
External linkshttp://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-8743
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
2) Memory corruption
EUVDB-ID: #VU8311
Risk: High
CVSSv3.1: 8.3 [CVSS:3.1/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-2017-8742
CWE-ID:
CWE-119 - Memory corruption
Exploit availability: No
DescriptionThe 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.
MitigationInstall updates from vendor's website.
Vulnerable software versionsMicrosoft PowerPoint: 2007 - Viewer
Microsoft Office Compatibility Pack: Service Pack 3
Microsoft SharePoint Server: 2013 - 2016
Microsoft Office Web Apps: 2010 Service Pack 2
Microsoft Office Web Apps Server: 2013 Service Pack 1
External linkshttp://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-8742
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
How the attacker can exploit this vulnerability?
The attacker would have to trick the victim to visit a specially crafted website or open a file.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
