Remote code execution in Microsoft PowerPoint



Published: 2020-12-08
Risk High
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2020-17124
CWE-ID CWE-20
Exploitation vector Network
Public exploit N/A
Vulnerable software
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Microsoft Office
Client/Desktop applications / Office applications

Microsoft PowerPoint
Client/Desktop applications / Office applications

Vendor Microsoft

Security Bulletin

This security bulletin contains one high risk vulnerability.

1) Input validation error

EUVDB-ID: #VU48857

Risk: High

CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-17124

CWE-ID: CWE-20 - Improper Input Validation

Exploit availability: No

Description

The vulnerability allows a remote attacker to execute arbitrary code on the system.

The vulnerability exists due to insufficient validation of user-supplied input in Microsoft PowerPoint. A remote attacker can pass specially crafted input to the application and execute arbitrary code on the target system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Microsoft Office: 2019 - 2019 for Mac

Microsoft PowerPoint: 2010 Service Pack 2 - 2016


CPE2.3 External links

http://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-17124

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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