POJIA破甲
地图 / heap-use-after-free (READ of size 8) in main()

heap-use-after-free (READ of size 8) in main()

内存破坏 / 释放后使用 / #481532

厂商
PuTTY (European Commission - DIGIT)
严重程度
低危 · CVSS 3.1
赏金
—
弱点
释放后使用
研究员
@geeknik
披露日期
2019-11-03
资产
https://www.chiark.greenend.org.uk/~sgtatham/putty/
CVE
—

该报告还没有中文解读。

原文摘录

摘自原文(2559 字符中的一小部分)
**Summary:** After downloading putty-0.70-2019-01-17.53747ad.tar.gz, I compiled it on Debian 9 with Clang-8.0.0 and AddressSanitizer and while trying to extract a public key from a crafted key, I triggered a heap-use-after-free in main().
原文中的代码
CC=clang CXX=clang++ CFLAGS=-fsanitize=address CXXFLAGS=-fsanitize=address ./configure --without-gtk && make --j2

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 PuTTY (European Commission - DIGIT) 所有。

时间线

  • 报告提交
  • 公开披露
阅读 HackerOne 原文 ↗作者 @geeknik · 版权归作者与 PuTTY (European Commission - DIGIT) 所有

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