CVE-2019-8442 — AI Deep Analysis Summary

🚨 **Essence**: A critical Access Control Error in Atlassian Jira.…

🛡️ **Root Cause**: Flaw in the `CachingResourceDownloadRewriteRule` class. ❌ **CWE**: Not explicitly mapped in data, but functionally it is an **Access Control Error** allowing unauthorized file access.…

🎯 **Affected Products**: Atlassian Jira. 📅 **Affected Versions**: • 7.13.4 and earlier • 8.0.0 to 8.0.4 (exclusive) • 8.1.0 to 8.1.1 (exclusive). ✅ **Safe Versions**: 7.13.4+, 8.0.4+, 8.1.1+.

💻 **Attacker Actions**: Remote access to files in the Jira webroot. 📂 **Specific Target**: Files under the `META-INF` directory.…

🔓 **Threshold**: LOW. 🌐 **Auth**: Remote exploitation possible (no authentication required mentioned). ⚙️ **Config**: Relies on the specific vulnerability in the rewrite rule.…

🔥 **Public Exp?**: YES. 📜 **Evidence**: Multiple PoCs available on GitHub (ProjectDiscovery Nuclei, Threekiii Awesome-POC, Chaitin Xray). 🚀 **Status**: Active and easily automatable with standard scanning tools.

🔍 **Self-Check**: Scan for Jira instances running vulnerable versions. 🧪 **Test**: Attempt to access `/plugins/servlet/oauth/users/icon-uri?consumerUri=` or similar LFI paths targeting `META-INF` files.…

🩹 **Official Fix**: YES. 📦 **Patch**: Atlassian released patches in versions 7.13.4, 8.0.4, and 8.1.1. 📝 **Reference**: JRASERVER-69241. Users must upgrade to these versions or later to resolve the issue.

🚧 **No Patch Workaround**: 1. **Block Access**: Restrict access to Jira webroot via WAF or firewall rules. 2. **Isolate**: Ensure Jira is not directly exposed to the public internet. 3.…

⚡ **Urgency**: HIGH. 📅 **Published**: May 22, 2019. 🚨 **Reason**: Public PoCs exist, exploitation is remote and easy, and it affects widely used enterprise software.…