This security advisory describes one medium risk vulnerability.

1) Security Features

Risk: Medium

CVSSv3:
6.5 [CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C] [PCI]

CVE-ID:
CVE-2020-16933

CWE-ID:
CWE-254 – Security Features

Exploit availability:
No

Description

This vulnerability allows a remote attacker to bypass security rescritions feature.


The vulnerability exists due to the Microsoft Word software when it fails to properly handle .LNK files. A remote attacker can trick a victim to open a specially crafted file or visit a malicious webpage and perform actions in the security context of the current user.

Mitigation

Install updates from vendor’s website.

Vulnerable software versions

Microsoft Office:
2019, 2019 for Mac

Microsoft Word:
2010, 2013 RT Service Pack 1, 2013 Service Pack 1, 2016

Microsoft Office for Mac:
2016

CPE

External links

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-16933

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 an attachment in an e-mail message.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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