FERRAMENTAS LINUX: Critical cosign Security Update: Patch CVE-2025-46569 OPA Path Injection Vulnerability Now

Critical cosign security patch fixes CVE-2025-46569 OPA path injection (CVSS 8.3). Immediate update required for SUSE Linux, openSUSE Leap, and enterprise systems. Full vulnerability analysis + patching instructions included.

Severity and Impact Analysis

SUSE has classified this container signing vulnerability as "important" due to its 7.6 CVSS:4.0 score (8.3 CVSS:3.1). This OPA server Data API HTTP path injection flaw allows privilege escalation through Rego rule manipulation. Without patching, attackers could:

Compromise software supply chains.

Bypass signature verification controls.

Inject malicious registry paths.

Security Note: This impacts Linux distributions handling container signing workflows – immediate mitigation is critical.

Affected Systems List

Patch REQUIRED for these enterprise platforms:

Product Family	Specific Versions
SUSE Linux Enterprise Server	15 SP4-SP7 (including LTSS/ESPOS)
SAP-Integrated Systems	All 15 SP4-SP7 deployments
High-Performance Computing	ESPOS/LTSS 15 SP4-SP5
Manager Suite	Proxy 4.3, Retail Branch 4.3, Server 4.3
openSUSE Leap	15.4 and 15.6

Why does this broad impact matter? Unpatched systems risk entire container registry compromises.

Patch Implementation Guide

Terminal Commands by Environment

# SUSE Manager Systems  
sudo zypper in -t patch SUSE-SLE-Product-SUSE-Manager-*-4.3-2025-2592=1  

# openSUSE Leap  
sudo zypper in -t patch openSUSE-SLE-15.6-2025-2592=1  # 15.6 version  

# Enterprise Servers (Example)  
sudo zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP5-2025-2592=1

Recommended workflow:

Validate cryptographic hashes before installation
Test in staging environments
Deploy during maintenance windows

Technical Changelog: cosign 2.5.3

This patch delivers critical security enhancements plus workflow improvements:

Security Fixes

CVE-2025-46569: Eliminated Rego path injection vectors in OPA server interactions.

Certificate verification logic hardening (Commit #4294).

Trusted root loading optimizations (#4264).

Feature Upgrades

- ✨ Added `signing-config create` command (#4280)  
- ✅ Multi-service support for `trusted-root create` (#4285)  
- 🔒 TUF v2 client integration for root key management  
- 📦 Experimental OCI 1.1+ tree support (#4205)

Pro Tip: The new validity period flags prevent expired certificate usage – essential for compliance.

Vulnerability FAQ: CVE-2025-46569

Q: Is remote exploitation possible?

A: Yes – the CVSS:4.0 vector (AV:N/AC:L) confirms network-based attacks without user interaction.

Q: What’s the business impact?

A: Critical for DevSecOps pipelines – could enable malicious container deployments.

Q: Are workarounds available?

A: None effective. Patch installation is the only mitigation.

Q: How does this relate to Sigstore ecosystem risks?

A: Highlights need for recursive dependency validation in signing frameworks.

Why This Matters Beyond Linux Security

This patch exemplifies the shift-left security imperative in cloud-native environments. As software bills of materials (SBOMs) become mandatory, vulnerabilities in signing tools create cascading compliance failures. Recent Forrester data shows 68% of supply chain attacks target build tools.