CVE-2023-52309

8.2 HIGH

📋 TL;DR

This vulnerability is a heap buffer overflow in the paddle.repeat_interleave function of PaddlePaddle, a deep learning framework. Attackers can exploit this to cause denial of service, leak sensitive information, or potentially execute arbitrary code. Users running PaddlePaddle applications with this function are affected.

💻 Affected Systems

Products:
  • PaddlePaddle
Versions: All versions before 2.6.0
Operating Systems: All platforms running PaddlePaddle
Default Config Vulnerable: ⚠️ Yes
Notes: Vulnerability exists in the core framework and affects any application using the paddle.repeat_interleave function.

📦 What is this software?

⚠️ Risk & Real-World Impact

🔴

Worst Case

Remote code execution leading to complete system compromise, data theft, or lateral movement within networks.

🟠

Likely Case

Denial of service causing application crashes and service disruption, potentially with memory corruption leading to information disclosure.

🟢

If Mitigated

Limited impact if proper input validation and sandboxing are implemented, though crashes may still occur.

🌐 Internet-Facing: HIGH
🏢 Internal Only: MEDIUM

🎯 Exploit Status

Public PoC: ✅ No
Weaponized: UNKNOWN
Unauthenticated Exploit: ⚠️ Yes
Complexity: MEDIUM

Exploitation requires crafting specific inputs to trigger the buffer overflow, but no public exploit code is known.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: 2.6.0

Vendor Advisory: https://github.com/PaddlePaddle/Paddle/blob/develop/security/advisory/pdsa-2023-018.md

Restart Required: Yes

Instructions:

1. Upgrade PaddlePaddle to version 2.6.0 or later using pip: pip install --upgrade paddlepaddle==2.6.0. 2. Restart all applications and services using PaddlePaddle. 3. Verify the upgrade was successful.

🔧 Temporary Workarounds

Disable or restrict vulnerable function

all

Avoid using paddle.repeat_interleave function in code or implement input validation wrappers

🧯 If You Can't Patch

  • Implement strict input validation and sanitization for all inputs to PaddlePaddle functions
  • Deploy applications in isolated containers or sandboxes with minimal privileges

🔍 How to Verify

Check if Vulnerable:

Check PaddlePaddle version: python -c "import paddle; print(paddle.__version__)" and compare to 2.6.0

Check Version:

python -c "import paddle; print(paddle.__version__)"

Verify Fix Applied:

Confirm version is 2.6.0 or higher and test the repeat_interleave function with edge cases

📡 Detection & Monitoring

Log Indicators:

  • Application crashes, segmentation faults, memory access errors in PaddlePaddle logs

Network Indicators:

  • Unusual network traffic patterns to/from PaddlePaddle services

SIEM Query:

source="*paddle*" AND (event="segmentation fault" OR event="memory violation" OR event="buffer overflow")

🔗 References

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