Q: What can hackers do? (Privileges/Data)

💀 **Attacker Action**: Execute arbitrary code on the target system. 🔓 **Privileges**: High impact on Integrity (I:H). Can likely escalate privileges or modify system state.

Q: Is exploitation threshold high? (Auth/Config)

🔑 **Threshold**: **LOW**. 📊 **CVSS**: AV:N (Network), AC:L (Low Complexity), PR:N (No Privileges), UI:N (No User Interaction). Easy to exploit remotely!

Q: Is there a public Exp? (PoC/Wild Exploitation)

📜 **Public Exp?**: No specific PoC code provided in data. ⚠️ **Risk**: However, the CVSS score indicates high exploitability. Assume **Wild Exploitation** is possible given the nature of RCE.

Q: How to self-check? (Features/Scanning)

🔍 **Self-Check**: Check your GitHub Actions workflows. 👀 **Scan**: Look for usage of `tj-actions/branch-names` action. 📉 **Version**: Ensure version is **7.0.7 or higher**. If older, you are at risk!

Q: Is it fixed officially? (Patch/Mitigation)

✅ **Fixed?**: **YES**. 🛠️ **Patch**: Update to version **7.0.7+**. 🔗 **Ref**: See GitHub Advisory GHSA-8v8w-v8xg-79rf for official fix details.

Q: What if no patch? (Workaround)

🚧 **No Patch?**: **Mitigation**: Remove or disable the `branch-names` action if not strictly needed. 🛡️ **Workaround**: Implement strict input validation at the workflow level if upgrading isn't immediate.

Q: Is it urgent? (Priority Suggestion)

🔥 **Urgency**: **HIGH**. 🚨 **Priority**: Immediate action required. RCE vulnerability with low exploitation barrier. Update NOW to prevent compromise!

Question 1

What is this vulnerability? (Essence + Consequences)

Accepted Answer

🚨 **Essence**: Input validation error in `branch-names` tool.
💥 **Consequences**: Improper context variable referencing allows **Arbitrary Code Execution (RCE)**. Critical integrity loss!

Question 2

Root Cause? (CWE/Flaw)

Accepted Answer

🛡️ **CWE**: CWE-20 (Improper Input Validation).
🔍 **Flaw**: Incorrectly referencing context variables. The tool fails to sanitize/validate inputs properly before processing.

Question 3

Who is affected? (Versions/Components)

Accepted Answer

📦 **Vendor**: tj-actions.
📦 **Product**: branch-names.
⚠️ **Affected**: Versions **< 7.0.7**. If you use older versions, you are vulnerable!

Question 4

What can hackers do? (Privileges/Data)

Accepted Answer

💀 **Attacker Action**: Execute arbitrary code on the target system.
🔓 **Privileges**: High impact on Integrity (I:H). Can likely escalate privileges or modify system state.

Question 5

Is exploitation threshold high? (Auth/Config)

Accepted Answer

🔑 **Threshold**: **LOW**.
📊 **CVSS**: AV:N (Network), AC:L (Low Complexity), PR:N (No Privileges), UI:N (No User Interaction). Easy to exploit remotely!

Question 6

Is there a public Exp? (PoC/Wild Exploitation)

Accepted Answer

📜 **Public Exp?**: No specific PoC code provided in data.
⚠️ **Risk**: However, the CVSS score indicates high exploitability. Assume **Wild Exploitation** is possible given the nature of RCE.

Question 7

How to self-check? (Features/Scanning)

Accepted Answer

🔍 **Self-Check**: Check your GitHub Actions workflows.
👀 **Scan**: Look for usage of `tj-actions/branch-names` action.
📉 **Version**: Ensure version is **7.0.7 or higher**. If older, you are at risk!

Question 8

Is it fixed officially? (Patch/Mitigation)

Accepted Answer

✅ **Fixed?**: **YES**.
🛠️ **Patch**: Update to version **7.0.7+**.
🔗 **Ref**: See GitHub Advisory GHSA-8v8w-v8xg-79rf for official fix details.

Question 9

What if no patch? (Workaround)

Accepted Answer

🚧 **No Patch?**: **Mitigation**: Remove or disable the `branch-names` action if not strictly needed.
🛡️ **Workaround**: Implement strict input validation at the workflow level if upgrading isn't immediate.

Question 10

Is it urgent? (Priority Suggestion)

Accepted Answer

🔥 **Urgency**: **HIGH**.
🚨 **Priority**: Immediate action required. RCE vulnerability with low exploitation barrier. Update NOW to prevent compromise!

Goal Reached Thanks to every supporter — we hit 100%!

CVE-2023-49291 — AI Deep Analysis Summary

Q1What is this vulnerability? (Essence + Consequences)

Q2Root Cause? (CWE/Flaw)

Q3Who is affected? (Versions/Components)

Q4What can hackers do? (Privileges/Data)

Q5Is exploitation threshold high? (Auth/Config)

Q6Is there a public Exp? (PoC/Wild Exploitation)

Q7How to self-check? (Features/Scanning)

Q8Is it fixed officially? (Patch/Mitigation)

Q9What if no patch? (Workaround)

Q10Is it urgent? (Priority Suggestion)

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