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地图 / Timing Attack Vulnerability in curl Digest Authentication via Non-Constant-Time String Comparison

Timing Attack Vulnerability in curl Digest Authentication via Non-Constant-Time String Comparison

密码学缺陷 / Information Exposure Through Timing Discrepancy / #3346118

厂商
curl
严重程度
低危
赏金
—
弱点
Information Exposure Through Timing Discrepancy
研究员
@frizo_05
披露日期
2025-09-18
资产
https://github.com/curl/curl
CVE
—

该报告还没有中文解读。

原文摘录

摘自原文(2571 字符中的一小部分)
Summary: A timing attack vulnerability exists in curl's Digest Authentication implementation due to the use of non-constant-time string comparison (strcmp()) when comparing authentication algorithms in digest.c line 360. This allows attackers to determine the supported authentication algorithm …
原文中的代码
# Using a simple Python HTTP server with digest auth
python3 -m http.server 8080 --digest

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 curl 所有。

时间线

  • 报告提交
  • 公开披露
阅读 HackerOne 原文 ↗作者 @frizo_05 · 版权归作者与 curl 所有

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