POJIA破甲
地图 / Curl parse_connect_to_string Heap-Overread Leading to Denial of Service via CURLOPT_CONNECT_TO

Curl parse_connect_to_string Heap-Overread Leading to Denial of Service via CURLOPT_CONNECT_TO

内存破坏 / 缓冲区越界读 / #3306456

厂商
curl
严重程度
低危
赏金
—
弱点
缓冲区越界读
研究员
@irene1hacker
披露日期
2025-08-20
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(1460 字符中的一小部分)
Summary: A heap-buffer-overread occurs in Curl's parse_connect_to_string function when using the CURLOPT_CONNECT_TO option with crafted input. This can lead to a segmentation fault and crash of the application, resulting in a denial-of-service. The issue is triggered by malformed host strings …
原文中的代码
mkdir build && cd build
CC=clang CXX=clang++ cmake ..   -DCMAKE_BUILD_TYPE=Debug   -DCMAKE_C_FLAGS="-g -O1 -fsanitize=address"   -DBUILD_SHARED_LIBS=OFF   -DBUILD_STATIC_LIBS=ON   -DBUILD_TESTING=OFF   -DBUILD_EXAMPLES=OFF   -DENABLE_MANUAL=OFF
cmake --build . --config Debug

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 @irene1hacker · 版权归作者与 curl 所有

同类报告

Heap Buffer Overflow (READ: 4) in phar_parse_pharfileInternet Bug Bounty · 2020-10-10Out-of-bounds read in iconv.c:_php_iconv_mime_decode() due to integer overflowInternet Bug Bounty · 2020-10-12 · $1,500CVE-2024-7264: ASN.1 date parser overreadcurl · 2024-08-01CVE-2024-7347: Buffer overread in the ngx_http_mp4_moduleInternet Bug Bounty · 2024-08-27 · $2,142apache access.log leakage via long request on https://rapida.ru/QIWI · —CVE-2025-9086: Out of bounds read for cookie pathcurl · 2025-09-10