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地图 / Attacker can add arbitrary data to the blockchain without paying gas

Attacker can add arbitrary data to the blockchain without paying gas

代码执行 / 不可信数据反序列化 / #396954

厂商
Rootstock Labs
严重程度
高危 · CVSS 9.3
赏金
—
弱点
不可信数据反序列化
研究员
@ahook
披露日期
2019-09-18
资产
https://github.com/rsksmart/rskj
CVE
—

该报告还没有中文解读。

原文摘录

摘自原文(13788 字符中的一小部分)
**Summary:** Due to a missing sanity check in Transaction::rlpParse, an attacker can append arbitrary RLP-encoded data to the end of an otherwise valid transaction, and that data will not only pass through validation, but also be propagated throug the network and mined into a block. Since the block …
原文中的代码
remote:~/rskj$ java -Dblockchain.config.name=regtest -cp rskj-core/build/libs/rskj-core-0.5.0-SNAPSHOT-all.jar co.rsk.Start

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 Rootstock Labs 所有。

时间线

  • 报告提交
  • 公开披露
阅读 HackerOne 原文 ↗作者 @ahook · 版权归作者与 Rootstock Labs 所有

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