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Q1What is this vulnerability? (Essence + Consequences)
🚨 **Essence**: CVE-2024-7387 is a critical **Path Traversal** flaw in Red Hat OpenShift's Docker build strategy.…
🏢 **Affected**: **Red Hat OpenShift Container Platform 4**. Specifically, the component `openshift/builder` is vulnerable. Any cluster running this version with the Docker build strategy enabled is at risk.
Q4What can hackers do? (Privileges/Data)
💀 **Attacker Capabilities**:
1. **Privilege Escalation**: Move from **Developer** role to **Root** on the node.
2. **Cluster Compromise**: Extract **kubelet certificates** to control the entire cluster.
3.…
💣 **Public Exploits**: **YES**. Multiple PoCs are available on GitHub (e.g., `0xSigSegv0x00`, `fatcatresearch`). They demonstrate how to overwrite system binaries for privilege escalation.…
🔍 **Self-Check**:
1. Check if you are running **OpenShift 4**.
2. Verify if the **Docker build strategy** is enabled.
3. Scan for unauthorized **symlinks** in build contexts pointing to `/usr/bin`.
4.…
✅ **Official Fix**: **YES**. Red Hat has released security advisories **RHSA-2024:6691** and **RHSA-2024:6705**. The fix is included in the latest updates for OpenShift Container Platform 4.…
🛑 **No Patch Workaround**:
1. **Disable Docker Build Strategy**: If not needed, disable it to remove the attack vector.
2. **Restrict Permissions**: Ensure developers cannot mount secrets to arbitrary paths.
3.…
⚡ **Urgency**: **CRITICAL**. CVSS Score is **9.8** (Critical). Although it requires initial cluster access, the impact is full cluster compromise. **Patch immediately** upon applying the Red Hat update.…