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地图 / Fail-Open in set_tlsext_servername_callback on pyopenssl via unhandled exceptions leads to security bypass

Fail-Open in set_tlsext_servername_callback on pyopenssl via unhandled exceptions leads to security bypass

业务逻辑 / Unlabeled / #3558277

厂商
Python Cryptographic Authority
严重程度
低危
赏金
—
弱点
Unlabeled
研究员
@uv3doble
披露日期
2026-03-20
资产
https://github.com/pyca/pyopenssl
CVE
—

该报告还没有中文解读。

原文摘录

摘自原文(5245 字符中的一小部分)
Fail-Open Vulnerability in `set_tlsext_servername_callback` allows Security Bypass via Unhandled Exceptions
原文中的代码
# OpenSSL/SSL.py
@wraps(callback)
def wrapper(ssl, alert, arg):
    callback(Connection._reverse_mapping[ssl])
    return 0  # Always returns Success (0)

默认不展示报告全文。以上为简短摘录,完整复现过程请阅读原文。版权归研究员与 Python Cryptographic Authority 所有。

时间线

  • 报告提交
  • 公开披露
阅读 HackerOne 原文 ↗作者 @uv3doble · 版权归作者与 Python Cryptographic Authority 所有

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