VDB-113594 · CVE-2018-6592 · GCVE-0-2018-6592

Unisys Stealth Windows up to 3.3.016.0 Memory key 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 (≈) 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.
6.3	$0-$5k	0.00

Summaryinfo

A vulnerability described as critical has been identified in Unisys Stealth Windows up to 3.3.016.0. This affects an unknown function of the component Memory Handler. Such manipulation leads to key management. This vulnerability is traded as CVE-2018-6592. An attack has to be approached locally. There is no exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Unisys Stealth Windows up to 3.3.016.0 and classified as critical. Affected by this issue is an unknown code block of the component Memory Handler. The manipulation with an unknown input leads to a key management vulnerability. Using CWE to declare the problem leads to CWE-320. Impacted is confidentiality, integrity, and availability. CVE summarizes:

Unisys Stealth Windows endpoints before 3.3.016.1 allow local users to gain access to Stealth-enabled devices by leveraging improper cleanup of memory used for negotiation key storage.

The bug was discovered 02/02/2018. The weakness was shared 02/19/2018 (Website). The advisory is available at public.support.unisys.com. This vulnerability is handled as CVE-2018-6592 since 02/02/2018. The exploitation is known to be easy. Local access is required to approach this attack. No form of authentication is required for exploitation. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1600.001 by the MITRE ATT&CK project.

The vulnerability was handled as a non-public zero-day exploit for at least 17 days. During that time the estimated underground price was around $0-$5k.

Upgrading to version 3.3.016.1 eliminates this vulnerability.

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Vendor

Unisys

Name

Stealth Windows

Version

3.3.016

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.4

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Key management
CWE: CWE-320
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

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: 🔍

Upgrade: Stealth Windows 3.3.016.1

Timelineinfo

02/02/2018 🔍
02/02/2018 +0 days 🔍
02/19/2018 +17 days 🔍
02/19/2018 +0 days 🔍
02/20/2018 +1 days 🔍
01/07/2020 +686 days 🔍

Sourcesinfo

Advisory: public.support.unisys.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2018-6592 (🔍)
GCVE (CVE): GCVE-0-2018-6592
GCVE (VulDB): GCVE-100-113594

Entryinfo

Created: 02/20/2018 08:02
Updated: 01/07/2020 08:30
Changes: 02/20/2018 08:02 (58), 01/07/2020 08:30 (2)
Complete: 🔍
Cache ID: 216::103