Fujitsu ScanSnap Installer WinSSInstS1100iWW1.exe privileges management

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 (≈)
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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.
5.1$0-$5k0.00

Summaryinfo

A vulnerability was found in Fujitsu ScanSnap and classified as problematic. Affected by this vulnerability is an unknown functionality of the file WinSSInstiX500WW1.exe/WinSSInstS1100iWW1.exe of the component Installer. Such manipulation leads to privileges management. Local access is required to approach this attack. No exploit exists.

Detailsinfo

A vulnerability was found in Fujitsu ScanSnap (the affected version is unknown). It has been rated as problematic. Affected by this issue is an unknown code of the file WinSSInstiX500WW1.exe/WinSSInstS1100iWW1.exe of the component Installer. The manipulation with an unknown input leads to a privileges management vulnerability. Using CWE to declare the problem leads to 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. Impacted is confidentiality, integrity, and availability.

The weakness was disclosed 02/16/2017 by Stefan Kanthak as "long" filenames mishandled by Fujitsu's ScanSnap software as not defined mailinglist post (Full-Disclosure). The advisory is available at seclists.org. Local access is required to approach this attack. A simple authentication is needed for exploitation. Technical details are known, but there is no available exploit. This vulnerability is assigned to T1068 by the MITRE ATT&CK project.

The vulnerability was handled as a non-public zero-day exploit for at least 19 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.

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Productinfo

Vendor

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.1

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
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

01/28/2017 🔍
02/16/2017 +19 days 🔍
02/24/2017 +8 days 🔍
08/17/2020 +1270 days 🔍

Sourcesinfo

Advisory: "long" filenames mishandled by Fujitsu's ScanSnap software
Researcher: Stefan Kanthak
Status: Not defined

GCVE (VulDB): GCVE-100-97262

Entryinfo

Created: 02/24/2017 15:54
Updated: 08/17/2020 10:07
Changes: 02/24/2017 15:54 (41), 08/17/2020 10:07 (1)
Complete: 🔍
Cache ID: 216::103

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