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地图 / NULL Pointer Dereference (DoS) in libcurl SFTP QUOTE command parsing due to missing return statement

NULL Pointer Dereference (DoS) in libcurl SFTP QUOTE command parsing due to missing return statement

内存破坏 / 空指针解引用 / #3597359

厂商
curl
严重程度
低危
赏金
—
弱点
空指针解引用
研究员
@m777m0
披露日期
2026-03-11
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(1273 字符中的一小部分)
Summary: A logic flaw in lib/vssh/libssh2.c causes a NULL pointer dereference when parsing SFTP QUOTE commands with trailing garbage. The function return_quote_error is called to handle errors and free memory, but the return keyword is missing in several blocks (e.g., lines 840, 857, 870). This …

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 @m777m0 · 版权归作者与 curl 所有

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