VDB-118398 · CVE-2018-7534 · GCVE-0-2018-7534

Unisys Stealth Solution up to 3.3 Stealth Authorization Server Key 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.
3.8	$0-$5k	0.00

Summaryinfo

A vulnerability classified as problematic was found in Unisys Stealth Solution up to 3.3. Impacted is an unknown function of the component Stealth Authorization Server. The manipulation results in key management (Key). This vulnerability was named CVE-2018-7534. The attack needs to be approached locally. There is no available exploit. Upgrading the affected component is advised.

Detailsinfo

A vulnerability, which was classified as problematic, was found in Unisys Stealth Solution up to 3.3. Affected is an unknown function of the component Stealth Authorization Server. The manipulation with an unknown input leads to a key management vulnerability (Key). CWE is classifying the issue as CWE-320. This is going to have an impact on confidentiality. CVE summarizes:

In Stealth Authorization Server before 3.3.017.0 in Unisys Stealth Solution, an encryption key may be left in memory.

The bug was discovered 02/26/2018. The weakness was presented 05/30/2018 (Website). The advisory is available at public.support.unisys.com. This vulnerability is traded as CVE-2018-7534 since 02/26/2018. Local access is required to approach this attack. The successful exploitation requires a authentication. 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 93 days. During that time the estimated underground price was around $0-$5k.

Upgrading to version 3.3.017.0 eliminates this vulnerability.

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Productinfo

Vendor

Unisys

Name

Stealth Solution

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.0
VulDB Meta Temp Score: 3.9

VulDB Base Score: 3.3
VulDB Temp Score: 3.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 4.7
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

Name: Key
Class: Key management / Key
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 Solution 3.3.017.0

Timelineinfo

02/26/2018 🔍
02/26/2018 +0 days 🔍
05/30/2018 +92 days 🔍
05/30/2018 +0 days 🔍
05/31/2018 +1 days 🔍
02/10/2020 +620 days 🔍

Sourcesinfo

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

CVE: CVE-2018-7534 (🔍)
GCVE (CVE): GCVE-0-2018-7534
GCVE (VulDB): GCVE-100-118398

Entryinfo

Created: 05/31/2018 11:45
Updated: 02/10/2020 08:49
Changes: 05/31/2018 11:45 (60), 02/10/2020 08:49 (2)
Complete: 🔍
Cache ID: 216::103