#VU77715 Use of insufficiently random values in Spring Security - CVE-2019-3795

Vulnerability identifier: #VU77715

Vulnerability risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2019-3795

CWE-ID: CWE-330

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Spring Security
Server applications / Frameworks for developing and running applications

Vendor: VMware, Inc

Description

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to Spring Security contain an insecure randomness vulnerability when using SecureRandomFactoryBean#setSeed to configure a SecureRandom instance. A remote attacker can gain unauthorized access to sensitive information on the system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Spring Security: 4.2.0 - 4.2.11, 5.0.0 - 5.0.11, 5.1.0 - 5.1.4

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External links
https://pivotal.io/security/cve-2019-3795
https://www.securityfocus.com/bid/107802
https://lists.debian.org/debian-lts-announce/2019/05/msg00026.html

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.