Spoofing attack in Microsoft Office for Mac



Published: 2018-01-09
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2018-0819
CWE-ID CWE-451
Exploitation vector Network
Public exploit N/A
Vulnerable software
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Microsoft Office for Mac
Client/Desktop applications / Office applications

Vendor Microsoft

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Spoofing

EUVDB-ID: #VU9917

Risk: Low

CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2018-0819

CWE-ID: CWE-451 - User Interface (UI) Misrepresentation of Critical Information (Clickjacking, spoofing)

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a spoofing attack.

The vulnerability exists due to improper validation of encoding and display of email addresses.A remote attacker can create a specially crafted email and bypass  antivirus or antispam scanning.

Successful exploitation of the vulnerability may allow an attacker to perform a spoofing attack.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Microsoft Office for Mac: 2016

External links

http://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-0819


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.



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