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地图 / Unbounded GZIP Decompression Leading to Event-Loop Starvation

Unbounded GZIP Decompression Leading to Event-Loop Starvation

拒绝服务 / Improper Handling of Highly Compressed Data (Data Amplification) / #3632427

厂商
curl
严重程度
低危
赏金
—
弱点
Improper Handling of Highly Compressed Data (Data Amplification)
研究员
@ok3y
披露日期
2026-03-31
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(6393 字符中的一小部分)
When libcurl is configured to decompress HTTP responses (via `CURLOPT_ACCEPT_ENCODING` or the `--compressed` CLI flag), it lacks decompression bounds checking or a mechanism to yield execution during massive expansion tasks. If an attacker provides a highly compressed payload (zip bomb), libcurl's …
原文中的代码
#!/usr/bin/env python3
import gzip
import io
import sys
from http.server import HTTPServer, BaseHTTPRequestHandler

print("[*] Generating 100GB decompression bomb...")

# Generate a highly compressed 100GB payload in memory
buf = io.BytesIO()
with gzip.GzipFile(fileobj=buf, mode='wb', …

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 @ok3y · 版权归作者与 curl 所有