Thales DIS SafeNet Sentinel LDK License Manager Runtime

# ICS Advisory (ICSA-19-339-01) ## Thales DIS SafeNet Sentinel LDK License Manager Runtime Original release date: December 05, 2019 [Print Document](javascript:window.print\(\);) [Tweet](https://twitter.com/share?url=https%3A%2F%2Fus- cert.cisa.gov%2Fics%2Fadvisories%2Ficsa-19-339-01) [Like Me](https://www.facebook.com/sharer.php?u=https%3A%2F%2Fus- cert.cisa.gov%2Fics%2Fadvisories%2Ficsa-19-339-01) [Share](http://www.addthis.com/bookmark.php?url=https%3A%2F%2Fus- cert.cisa.gov%2Fics%2Fadvisories%2Ficsa-19-339-01) ### Legal Notice All information products included in [https://us-cert.gov/ics](/ics) are provided "as is" for informational purposes only. The Department of Homeland Security (DHS) does not provide any warranties of any kind regarding any information contained within. DHS does not endorse any commercial product or service, referenced in this product or otherwise. Further dissemination of this product is governed by the Traffic Light Protocol (TLP) marking in the header. For more information about TLP, see [https://www.us- cert.gov/tlp/](/tlp/). * * * ## 1\. EXECUTIVE SUMMARY * **CVSS v3 7.3** * **ATTENTION:** Low skill level to exploit * **Vendor:** Thales DIS * **Equipment:** SafeNet Sentinel LDK License Manager Runtime * **Vulnerability:** Link Following ## 2\. RISK EVALUATION Successful exploitation of this vulnerability could allow a local attacker to escalate privileges. ## 3\. TECHNICAL DETAILS ### 3.1 AFFECTED PRODUCTS The following versions of SafeNet Sentinel LDK License Manager, are affected: * SafeNet Sentinel LDK License Manager, all versions prior to 7.101(only Microsoft Windows versions are affected) ### 3.2 VULNERABILITY OVERVIEW #### 3.2.1 [IMPROPER LINK RESOLUTION BEFORE FILE ACCESS ('LINK FOLLOWING') CWE-59](https://cwe.mitre.org/data/definitions/59.html) The affected product is vulnerable when configured as a service. This vulnerability may allow an attacker with local access to create, write, and/or delete files in system folder using symbolic links, leading to a privilege escalation. This vulnerability could also be used by an attacker to execute a malicious DLL, which could impact the integrity and availability of the system. [CVE-2019-18232](http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2019-18232) has been assigned to this vulnerability. A CVSS v3 base score of 7.3 has been calculated; the CVSS vector string is ([AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:H](https://www.first.org/cvss/calculator/3.0#CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:H)). ### 3.3 BACKGROUND * **CRITICAL INFRASTRUCTURE SECTORS:** Multiple * **COUNTRIES/AREAS DEPLOYED:** Worldwide * **COMPANY HEADQUARTERS LOCATION:** France ### 3.4 RESEARCHER Ryan Wincey of Blizzard Entertainment Red team reported this vulnerability to Thales. ## 4\. MITIGATIONS Thales recommends upgrading to [Version 7.101 or later](https://sentinelcustomer.gemalto.com/sentineldownloads/). For more information see [Thales DIS security announcement](https://supportportal.gemalto.com/csm?id=kb_article_view&sys_kb_id=be3678aa1bccc450f2888739cd4bcbe5&sysparm_article=KB0020074) (login required). CISA recommends users take the following measures to protect themselves from social engineering attacks: * Do not click web links or open unsolicited attachments in email messages. * Refer to [Recognizing and Avoiding Email Scams](https://www.us-cert.gov/sites/default/files/publications/emailscams_0905.pdf) for more information on avoiding email scams. * Refer to [Avoiding Social Engineering and Phishing Attacks](https://www.us-cert.gov/ncas/tips/ST04-014) for more information on social engineering attacks. * Adhere to principles of least privilege when setting up user accounts. CISA reminds organizations to perform proper impact analysis and risk assessment prior to deploying defensive measures. CISA also provides a section for [control systems security recommended practices](https://www.us-cert.gov/ics/recommended-practices) on the ICS webpage on [us-cert.gov](https://www.us-cert.gov/ics). Several recommended practices are available for reading and download, including [Improving Industrial Control Systems Cybersecurity with Defense-in-Depth Strategies](https://www.us- cert.gov/sites/default/files/recommended_practices/NCCIC_ICS- CERT_Defense_in_Depth_2016_S508C.pdf). Additional mitigation guidance and recommended practices are publicly available on the [ICS webpage on us-cert.gov](https://www.us-cert.gov/ics) in the Technical Information Paper, [ICS-TIP-12-146-01B--Targeted Cyber Intrusion Detection and Mitigation Strategies](https://www.us-cert.gov/ics/tips/ICS- TIP-12-146-01B). Organizations observing any suspected malicious activity should follow their established internal procedures and report their findings to CISA for tracking and correlation against other incidents. No known public exploits specifically target this vulnerability. This vulnerability is not exploitable remotely.