eVisitorPass Fullscreen access control

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.
6.8$0-$5k0.00

Summaryinfo

A vulnerability marked as critical has been reported in eVisitorPass. Affected by this issue is some unknown functionality of the component Fullscreen Handler. The manipulation leads to access control. This vulnerability is documented as CVE-2018-17493. It is possible to launch the attack on the physical device. Additionally, an exploit exists.

Detailsinfo

A vulnerability was found in eVisitorPass (the affected version is unknown) and classified as critical. This issue affects an unknown code of the component Fullscreen Handler. The manipulation with an unknown input leads to a access control vulnerability. Using CWE to declare the problem leads to CWE-264. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

eVisitorPass could allow a local attacker to gain elevated privileges on the system, caused by an error with the Fullscreen button. By visiting the kiosk and clicking the full screen button in the bottom right, an attacker could exploit this vulnerability to close the program and launch other processes on the system.

The bug was discovered 03/04/2019. The weakness was released 03/21/2019 (Website). It is possible to read the advisory at exchange.xforce.ibmcloud.com. The identification of this vulnerability is CVE-2018-17493 since 09/25/2018. Attacking locally is a requirement. No form of authentication is needed for a successful exploitation. Technical details are unknown but a public exploit is available. The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.

It is declared as proof-of-concept. 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.

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

Entries connected to this vulnerability are available at VDB-131895, VDB-131894, VDB-131893 and VDB-131892. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.8
VulDB Meta Temp Score: 6.8

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CNA Base Score: 8.4
CNA Vector (IBM Corporation): 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Access control
CWE: CWE-264
CAPEC: 🔍
ATT&CK: 🔍

Physical: Yes
Local: Yes
Remote: No

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

EPSS Score: 🔍
EPSS Percentile: 🔍

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

09/25/2018 🔍
03/04/2019 +160 days 🔍
03/21/2019 +17 days 🔍
03/22/2019 +1 days 🔍
08/03/2023 +1595 days 🔍

Sourcesinfo

Advisory: exchange.xforce.ibmcloud.com
Status: Not defined

CVE: CVE-2018-17493 (🔍)
GCVE (CVE): GCVE-0-2018-17493
GCVE (VulDB): GCVE-100-131891
X-Force: 149653

scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 03/22/2019 07:02
Updated: 08/03/2023 10:00
Changes: 03/22/2019 07:02 (56), 05/17/2020 17:10 (1), 08/03/2023 09:59 (4), 08/03/2023 10:00 (12)
Complete: 🔍
Cache ID: 216::103

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

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