CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:P/I:P/A:P
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
AI Score
Confidence
High
EPSS
Percentile
52.1%
CVSS v3 6.5
**ATTENTION:**Low skill level to exploit
Vendor: Gemalto
**Equipment:**Sentinel UltraPro
**Vulnerability:**Uncontrolled Search Path Element
Successful exploitation of this vulnerability could allow execution of unauthorized code or commands.
The following versions of Sentinel UltraPro encryption keys are affected:
3.2.1 UNCONTROLLED SEARCH PATH ELEMENT CWE-427
The uncontrolled search path element vulnerability enables an attacker to load and execute a malicious file from the ux32w.dll in Sentinel UltraPro.
CVE-2019-6534 has been assigned to this vulnerability. A CVSS v3 base score of 6.5 has been calculated; the CVSS vector string is (AV:L/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H).
ADLab of Venustech reported this vulnerability to NCCIC.
Users who have Sentinel UltraPro Client Library ux32w.versions v1.3.0, v1.3.1 or v1.3.2 are advised to upgrade to Sentinel UtraPro v1.3.3 in order to enable this security update. The security update is found at the following link:
https://supportportal.gemalto.com/csm?id=kb_article_view&sysparm_article=KB0017694
For additional information, please see Gemaltoβs security bulletin at:
<https://sentinel.gemalto.com/technical-support/security-updates-sm/>
NCCIC recommends users take defensive measures to minimize the risk of exploitation of this vulnerability. Specifically, users should:
NCCIC reminds organizations to perform proper impact analysis and risk assessment prior to deploying defensive measures.
NCCIC also provides a section for control systems security recommended practices on the ICS-CERT web page. Several recommended practices are available for reading and download, including Improving Industrial Control Systems Cybersecurity with Defense-in-Depth Strategies.
Additional mitigation guidance and recommended practices are publicly available on the ICS-CERT website in the Technical Information Paper, ICS-TIP-12-146-01BβTargeted Cyber Intrusion Detection and Mitigation Strategies.
Organizations observing any suspected malicious activity should follow their established internal procedures and report their findings to NCCIC for tracking and correlation against other incidents.
No known public exploits specifically target this vulnerability. This vulnerability is not exploitable remotely.
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cwe.mitre.org/data/definitions/427.html
nvd.nist.gov/vuln/detail/CVE-2019-6534
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CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:P/I:P/A:P
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
AI Score
Confidence
High
EPSS
Percentile
52.1%