CVE-2023-7270

Public Exploit
Local Privilege Escalation via MSI installer

Description

An issue was discovered in SoftMaker Office 2024 / NX before revision 1214 and SoftMaker FreeOffice 2014 before revision 1215. FreeOffice 2021 is also affected, but won't be fixed. The SoftMaker Office and FreeOffice MSI installer files were found to produce a visible conhost.exe window running as the SYSTEM user when using the repair function of msiexec.exe. This allows a local, low-privileged attacker to use a chain of actions, to open a fully functional cmd.exe with the privileges of the SYSTEM user.

Remediation

Solution:

  • The vendor provides a service pack version 1214 for SoftMaker Office 2024 and SofMaker Office NX, which can be downloaded from: https://softmaker.de/download/servicepacks FreeOffice 2024 revision 1215: https://www.freeoffice.com/de/download/servicepacks FreeOffice 2021 is unsupported and will not be fixed according to the vendor.

Category

5.3
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.04%
Third-Party Advisory sec-consult.com
Affected: SoftMaker Software GmbH Office
Affected: SoftMaker Software GmbH FreeOffice
Affected: SoftMaker Software GmbH FreeOffice
Published at:
Updated at:

References

Link Tags
https://r.sec-consult.com/softmaker third party advisory exploit
https://softmaker.de/download/servicepacks patch
https://www.freeoffice.com/de/download/servicepacks patch
http://seclists.org/fulldisclosure/2024/Jul/5

Frequently Asked Questions

What is the severity of CVE-2023-7270?
CVE-2023-7270 has been scored as a medium severity vulnerability.
How to fix CVE-2023-7270?
To fix CVE-2023-7270: The vendor provides a service pack version 1214 for SoftMaker Office 2024 and SofMaker Office NX, which can be downloaded from: https://softmaker.de/download/servicepacks FreeOffice 2024 revision 1215: https://www.freeoffice.com/de/download/servicepacks FreeOffice 2021 is unsupported and will not be fixed according to the vendor.
Is CVE-2023-7270 being actively exploited in the wild?
It is possible that CVE-2023-7270 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2023-7270?
CVE-2023-7270 affects SoftMaker Software GmbH Office, SoftMaker Software GmbH FreeOffice, SoftMaker Software GmbH FreeOffice.
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