Remote code execution in Microsoft Publisher



Risk Critical
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2023-21715
CWE-ID CWE-254
Exploitation vector Network
Public exploit This vulnerability is being exploited in the wild.
Vulnerable software
 Microsoft Office
Client/Desktop applications / Office applications

Microsoft Publisher
Client/Desktop applications / Office applications

Vendor Microsoft

Security Bulletin

This security bulletin contains one critical risk vulnerability.

1) Security features bypass

EUVDB-ID: #VU72168

Risk: Critical

CVSSv3.1: 8.4 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:H/RL:O/RC:C]

CVE-ID: CVE-2023-21715

CWE-ID: CWE-254 - Security Features

Exploit availability: No

Description

The vulnerability allows a remote attacker to compromise the affected system.

The vulnerability exists due to unspecified error when processing files. A remote attacker can trick the victim to open a specially crafted file, bypass Office macro policies used to block untrusted or malicious files and execute arbitrary code on the system.

Note, the vulnerability is being actively exploited in the wild.


Mitigation

Install updates from vendor's website.

Vulnerable software versions

Microsoft Office: 365

Microsoft Publisher: 16.0.12325.20264 - 16.0.16026.20170

CPE2.3 External links

http://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2023-21715


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?

Yes. This vulnerability is being exploited in the wild.



###SIDEBAR###