OSSeva Blog

Insights on enterprise open source

CVE analysis, compliance guidance, migration playbooks, and open source strategy from engineers who run these systems in production.

Security

Dependency Confusion Attacks: How They Work and How to Defend Your Supply Chain

Dependency confusion attacks exploit the way package managers resolve private package names against public registries. Understanding the attack vector and implementing registry scoping controls is now a baseline security requirement for any organisation with private package repositories.

·9 min read
Supply ChainnpmPyPIDependency Confusion
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Security

Kubernetes CVE-2023-2728: Understanding the NodeRestriction Admission Bypass

A bypass in Kubernetes' NodeRestriction admission plugin allowed a compromised node to escalate its own privileges by modifying pod labels used for security policy enforcement. We break down the mechanics and what hardened clusters should look like.

·9 min read
KubernetesCVE-2023-2728Admission ControlRBAC
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Security

OpenSSL Vulnerability Management: Lessons from CVE-2022-0778 and CVE-2023-0286

OpenSSL sits at the foundation of nearly every TLS stack in the enterprise, making its vulnerability lifecycle uniquely high-stakes. Two recent CVEs illustrate why detection speed and patching automation matter more than any single advisory response.

·9 min read
OpenSSLTLSCVE-2022-0778CVE-2023-0286
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Security

Log4Shell Two Years Later: Why Enterprise Java Stacks Are Still Exposed

CVE-2021-44228 was patched in days, but thousands of enterprise applications still ship vulnerable Log4j transitive dependencies buried inside vendor JARs. We examine why detection is harder than it looks and what a sustainable remediation posture actually requires.

·9 min read
Log4jCVE-2021-44228JavaSupply Chain
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Frequently asked questions

What topics does the OSSeva blog cover?

The OSSeva blog covers: CVE deep dives and technical analysis of vulnerabilities in enterprise open-source software, compliance and regulatory guidance for engineering and security teams, migration guides (Oracle to PostgreSQL, Tanzu to OSS RabbitMQ, Confluent to Kafka), EOL timelines and planning guides for major open-source projects, and operational best practices for RabbitMQ, Kafka, PostgreSQL, and Spring in enterprise environments.

Does OSSeva publish CVE analysis publicly?

Yes. OSSeva publishes technical CVE analysis for all remediations in our public vulnerability directory and expanded CVE deep-dives on the blog. These posts cover: the technical root cause of the vulnerability, how it can be exploited, which versions are affected, what the OSSeva patch does, and how to verify your deployment is fixed. These posts are designed for engineers who need to understand the vulnerability, not just apply a patch.

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