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Q1What is this vulnerability? (Essence + Consequences)
๐จ **Essence**: Devika v1 suffers from a **Path Traversal** vulnerability. ๐ The `/api/get-browser-snapshot` endpoint fails to sanitize the `snapshot_path` parameter.โฆ
๐ก๏ธ **Root Cause**: **Path Traversal** (Directory Traversal). ๐ The application does not properly validate user input for the `snapshot_path` parameter.โฆ
๐ฅ **Affected**: **Devika v1** by stitionai. ๐ค It is an open-source AI software engineer tool. ๐ฆ Specifically, the component handling browser snapshots via the API endpoint is vulnerable. โ ๏ธ
Q4What can hackers do? (Privileges/Data)
๐ **Attacker Capabilities**: ๐ Read **sensitive files** (e.g., `/etc/passwd`). ๐ Access critical system configurations. ๐ต๏ธโโ๏ธ Potentially gather intel for further attacks.โฆ
๐ **Exploitation Threshold**: **Low**. ๐ The vulnerability is in an API endpoint (`/api/get-browser-snapshot`). ๐ No authentication or complex configuration is explicitly required in the description.โฆ
๐ฃ **Public Exploits**: **YES**. ๐ Multiple PoCs exist on GitHub (e.g., by `alpernae`, `j3r1ch0123`). ๐งช One specific exploit targets the `passwd` file. ๐ก Nuclei templates are also available for automated scanning. ๐
Q7How to self-check? (Features/Scanning)
๐ **Self-Check**: ๐ก Use **Nuclei** with the CVE-2024-40422 template. ๐งช Send requests with `../` in the `snapshot_path` parameter.โฆ
๐ฉน **Official Fix**: **Yes**. ๐ A pull request (#619) was merged in the stitionai/devika repository. ๐ Published around July 24, 2024. โ Users should update to the latest version or apply the patch from the PR. ๐ ๏ธ
Q9What if no patch? (Workaround)
๐ง **No Patch Workaround**: ๐ซ **Disable** the `/api/get-browser-snapshot` endpoint if possible. ๐ Restrict network access to the API. ๐งน Implement strict input validation on the server side to block `../` sequences. ๐งฑ
Q10Is it urgent? (Priority Suggestion)
โก **Urgency**: **HIGH**. ๐จ Public exploits are already available. ๐ The impact involves direct file read access. ๐ Immediate patching or mitigation is recommended for all Devika v1 instances. ๐โโ๏ธ๐จ