VDB-269816 · CVE-2023-7270 · GCVE-0-2023-7270

SoftMaker Software Office/FreeOffice Repair conhost.exe Local Privilege Escalation

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
7.0	$0-$5k	0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in SoftMaker Software Office and FreeOffice. This affects an unknown function of the file conhost.exe of the component Repair. Such manipulation leads to Local Privilege Escalation. This vulnerability is documented as CVE-2023-7270. The attack needs to be performed locally. Additionally, an exploit exists. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in SoftMaker Software Office and FreeOffice (affected version unknown) and classified as critical. Affected by this issue is an unknown functionality of the file conhost.exe of the component Repair. The manipulation with an unknown input leads to a local privilege escalation vulnerability. Impacted is confidentiality, integrity, and availability. CVE summarizes:

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.

The weakness was released by Michael Baer. The advisory is shared for download at r.sec-consult.com. This vulnerability is handled as CVE-2023-7270 since 06/17/2024. The exploitation is known to be easy. The attack needs to be approached locally. Technical details as well as a public exploit are known.

The exploit is available at packetstormsecurity.com. It is declared as proof-of-concept.

Upgrading eliminates this vulnerability.

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

SoftMaker Software

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.8
VulDB Meta Temp Score: 7.0

VulDB Base Score: 7.8
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Local Privilege Escalation
CWE: Unknown
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

06/17/2024 🔍
06/27/2024 +10 days 🔍
06/27/2024 +0 days 🔍
07/05/2024 +8 days 🔍

Sourcesinfo

Advisory: r.sec-consult.com
Researcher: Michael Baer
Status: Confirmed

CVE: CVE-2023-7270 (🔍)
GCVE (CVE): GCVE-0-2023-7270
GCVE (VulDB): GCVE-100-269816
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 06/27/2024 11:47
Updated: 07/05/2024 07:59
Changes: 06/27/2024 11:47 (52), 07/04/2024 20:23 (10), 07/05/2024 07:59 (1)
Complete: 🔍
Cache ID: 216::103