Vulnerability identifier: #VU17641
Vulnerability risk: Low
CVSSv3.1: 4.1 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:N/A:N/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-20
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
Microsoft Office
Client/Desktop applications /
Office applications
Microsoft Word
Client/Desktop applications /
Office applications
Microsoft Excel
Client/Desktop applications /
Office applications
Microsoft Office Compatibility Pack
Client/Desktop applications /
Office applications
Microsoft PowerPoint
Client/Desktop applications /
Office applications
Vendor: Microsoft
Description
The vulnerability allows a remote attacker to perform a phishing attack.
The vulnerability exists due to insufficient validation of URLs when processing Microsoft Office files. A remote attacker can create a specially crafted file, trick the victim into opening it and entering credentials.
Successful exploitation of the vulnerability may allow an attacker to perform a phishing attack and gain access to sensitive information.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
Microsoft Office: 2013 - 2013 RT, 2010 Service Pack 2, 2019, 365 ProPlus
Microsoft Word:
Microsoft Excel:
Microsoft Office Compatibility Pack:
Microsoft PowerPoint:
External links
http://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0540
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.