Multiple Zero-Days in PremiSys IDenticard Access Control System
Tenable Research discovered multiple zero-day vulnerabilities in the PremiSys access control system developed by IDenticard. As of January 9, IDenticard has not released a patch for these vulnerabilities.
Background
Tenable Research has discovered four vulnerabilities in the PremiSys access control system from IDenticard. The PremiSys system can be used to manage door controls and access cards, collect detailed facility data and integrate with video monitoring systems.
According to Tenable’s disclosure timeline, multiple attempts were made to contact the vendor to address these vulnerabilities. The Computer Emergency Response Team (CERT) was notified of these vulnerabilities. As of January 9, the vendor hasn’t responded. The 90-day disclosure period ended on January 3, 2019.
التحليل
The following vulnerabilities have been confirmed in versions 3.1.190 of PremiSys IDenticard. Tenable Research requested access to the latest version to verify the vulnerabilities but received no response.
CVE-2019-3906: Hardcoded Credentials (Admin Access to Service)
The service contains hardcoded credentials (CWE-798) that provide administrator access to the entire service via the PremiSys Windows Communication Foundation (WCF) Service endpoint.
Users are not permitted to change these credentials. The only mitigation appears to be to limit traffic to this endpoint, which may or may not have further impact on the availability of the application itself.
These credentials can be used by an attacker to dump contents of the badge system database, modify contents, or other various tasks with unfettered access.
CVE-2019-3907: Weak Hashing/Encryption
User credentials and other sensitive information are stored with a known-weak encryption method (Base64 encoded MD5 hashes - salt + password).
CVE-2019-3908: Hardcoded Password
Identicard backups are stored in an idbak format, which appears to simply be a password protected zip file. The password to unzip the contents is hardcoded into the application ("ID3nt1card").
CVE-2019-3909: Default Database Credentials (Full Access to Service Databases)
The IDenticard service installs with a default database username and password of "PremisysUsr" / "ID3nt1card." There are also instructions for meeting longer password standards by using "ID3nt1cardID3nt1card." Users cannot change this password without sending custom passwords to the vendor directly in order to receive an encrypted variant to use in their configurations. These known credentials can be used by attackers to access the sensitive contents of the databases.
Solution
Because there is no vendor patch, affected users will have to attempt to mitigate these vulnerabilities. Systems like this should never be open to the internet and users should ensure proper network segmentation is in place to isolate this critical system.
Additional information
Visit the Tenable Tech Blog on Medium to read researcher Jimi Sebree’s in-depth story about his work uncovering these vulnerabilities.
Learn more about Tenable, the first Cyber Exposure platform for holistic management of your modern attack surface. Get a free 60-day trial of Tenable.io Vulnerability Management.
مقالات ذات صلة
CVE-2024-5806: Progress MOVEit Transfer Authentication Bypass Vulnerability
June 25, 2024Progress Software has patched a high severity authentication bypass in the MOVEit managed file transfer (MFT) solution. As MOVEit has been a popular target for ransomware gangs and other threat actors, we strongly recommend prioritizing patching of this vulnerability.
CVE-2024-28995: SolarWinds Serv-U Path/Directory Traversal Vulnerability Exploited in the Wild
June 21, 2024Following the publication of proof-of-concept exploit details for a high-severity flaw in SolarWinds Serv-U, researchers have observed both automated and manual in-the-wild exploitation attempts; patching is strongly advised.
Cybersecurity Snapshot: FTC Believes TikTok Broke U.S. Law, Asks Justice Dept. To Intervene, while French Cyber Agency Warns About Nobelium / Midnight Blizzard
June 21, 2024TikTok’s legal troubles in the U.S. could get thornier after the FTC refers complaint to the DOJ. Meanwhile, France says Russia-backed Nobelium / Midnight Blizzard is a major cyber espionage threat to European governments. Plus, check out a Tenable poll about dealing with vulnerabilities without patches. And did LockBit 3.0 make a comeback in May? Maybe – or maybe not. And much more!
How the regreSSHion Vulnerability Could Impact Your Cloud Environment
July 5, 2024With growing concern over the recently disclosed regreSSHion vulnerability, we’re explaining here what it is, why it’s so significant, what it could mean for your cloud environment and how Tenable Cloud Security can help.
Cybersecurity Snapshot: Malicious Versions of Cobalt Strike Taken Down, While Microsoft Notifies More Orgs About Midnight Blizzard Email Breach
July 5, 2024Check out the results of a multinational operation against illegal instances of Cobalt Strike. Plus, more organizations are learning that Midnight Blizzard accessed their email exchanges with Microsoft. Meanwhile, Carnegie Mellon has a new report about how to fix and mitigate API vulnerabilities. And two new reports shed light on cyber insurance trends. And much more!
Cybersecurity Snapshot: Memory Bugs Pervasive in Open Source SW, While Car Dealership Chaos Persists After Ransomware Attack
June 28, 2024Check out why memory vulnerabilities are widespread in open source projects. Plus, get the latest on the ransomware attack that’s disrupted car sales in North America. In addition, find out why a majority of organizations grew their cyber budgets this year. And learn how confidential data from U.S. chemical facilities may have been accessed by hackers. And much more!
- Vulnerability Management