SoftMaker FreeOffice 2010/2016 Installer freeoffice2016.exe privileges management

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.5$0-$5k0.00

Summaryinfo

A vulnerability was found in SoftMaker FreeOffice 2010/2016. It has been rated as critical. Affected is an unknown function of the file freeoffice2016.exe of the component Installer. Performing a manipulation results in privileges management. The attack is only possible with local access. There is not any exploit available.

Detailsinfo

A vulnerability was found in SoftMaker FreeOffice 2010/2016. It has been classified as critical. This affects an unknown function of the file freeoffice2016.exe of the component Installer. The manipulation with an unknown input leads to a privileges management vulnerability. CWE is classifying the issue as CWE-269. The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was released 12/29/2016 by Stefan Kanthak as Executable installers are vulnerable^WEVIL (case 42): SoftMaker's FreeOffice installer allows escalation of privilege as not defined mailinglist post (Full-Disclosure). It is possible to read the advisory at seclists.org. The vendor was not involved in the public release. Attacking locally is a requirement. The successful exploitation requires a authentication. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1068 according to MITRE ATT&CK. The advisory points out:

The installer creates an UNPROTECTED directory "%TEMP%\<GUID>\", writable by the unprivileged user, to extracts the files uinst.exe, SETUP_1.CAB and SETUP_2.CAB, then extracts an .MSI from the .CABs and calls "MSIEXEC.EXE /i ...MSI" to finally install FreeOffice.

The vulnerability was handled as a non-public zero-day exploit for at least 407 days. During that time the estimated underground price was around $0-$5k.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Entry connected to this vulnerability is available at VDB-94730. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.8
VulDB Meta Temp Score: 7.5

VulDB Base Score: 7.8
VulDB Temp Score: 7.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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💳💳💳💳💳💳
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Privileges management
CWE: CWE-269 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

11/18/2015 🔍
01/07/2016 +50 days 🔍
12/29/2016 +357 days 🔍
12/30/2016 +1 days 🔍
07/22/2019 +934 days 🔍

Sourcesinfo

Advisory: Executable installers are vulnerable^WEVIL (case 42): SoftMaker's FreeOffice installer allows escalation of privilege
Researcher: Stefan Kanthak
Status: Not defined

GCVE (VulDB): GCVE-100-94731
See also: 🔍

Entryinfo

Created: 12/30/2016 10:41
Updated: 07/22/2019 08:39
Changes: 12/30/2016 10:41 (45), 07/22/2019 08:39 (1)
Complete: 🔍
Cache ID: 216:0CF:103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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