Multiple vulnerabilities in Microsoft Office Outlook
| Risk | High |
| Patch available | YES |
| Number of vulnerabilities | 3 |
| CVE-ID | CVE-2017-8663 CVE-2017-8572 CVE-2017-8571 |
| CWE-ID | CWE-119 CWE-200 CWE-20 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
Microsoft Outlook Client/Desktop applications / Office applications Microsoft Office Client/Desktop applications / Office applications |
| Vendor | Microsoft |
Security Bulletin
This security bulletin contains information about 3 vulnerabilities.
1) Buffer overflow
EUVDB-ID: #VU7592
Risk: High
CVSSv3.1: 8.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2017-8663
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 due to boundary error when parsing email messages. A remote unauthenticated attacker can create a specially crafted email message, send it to the victim and execute arbitrary code on the target system, when the malicious email is open by the victim.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
MitigationInstall updates from vendor's website.
Vulnerable software versionsMicrosoft Outlook: 2007 - 2016
Microsoft Office: 2010 - 2016
CPE2.3- cpe:2.3:a:microsoft:microsoft_office:2010:*:*:*:*:*:*:*
- cpe:2.3:a:microsoft:microsoft_office:2013:*:*:*:*:*:*:*
http://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-8663
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.
2) Information disclosure
EUVDB-ID: #VU7593
Risk: Low
CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2017-8572
CWE-ID:
CWE-200 - Information exposure
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to obtain potentially sensitive information.
The vulnerability exists due to boundary error when parsing documents in Microsoft Outlook. A remote attacker can create a specially crafted document, trick the victim into opening it and gain access to potentially sensitive information.
MitigationInstall updates from vendor's website.
Vulnerable software versionsMicrosoft Outlook: 2007 - 2016
Microsoft Office: 2010 - 2016
CPE2.3- cpe:2.3:a:microsoft:microsoft_office:2010:*:*:*:*:*:*:*
- cpe:2.3:a:microsoft:microsoft_office:2013:*:*:*:*:*:*:*
http://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-8572
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.
3) Improper input validation
EUVDB-ID: #VU7594
Risk: Low
CVSSv3.1: 4.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2017-8571
CWE-ID:
CWE-20 - Improper input validation
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to bypass implemented security restrictions.
The vulnerability exists due to an error when processing specially crafted document in Microsoft Office Outlook. A remote attacker can create a specially crafted document, trick the victim into opening it and interact with the document by clicking a specific cell.
Successful exploitation of the vulnerability may allow an attacker to bypass certain security restrictions.
MitigationInstall updates from vendor's website.
Vulnerable software versionsMicrosoft Outlook: 2007 - 2016
Microsoft Office: 2010 - 2016
CPE2.3- cpe:2.3:a:microsoft:microsoft_office:2010:*:*:*:*:*:*:*
- cpe:2.3:a:microsoft:microsoft_office:2013:*:*:*:*:*:*:*
http://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-8571
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.
