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地图 / Index Out Of Bounds in protobuf unmarshalling

Index Out Of Bounds in protobuf unmarshalling

内存破坏 / 缓冲区越界读 / #1073363

厂商
Kubernetes
严重程度
低危 · CVSS 0
赏金
$250
弱点
缓冲区越界读
研究员
@pulpkk
披露日期
2021-08-30
资产
https://github.com/kubernetes/kubernetes
CVE
—

该报告还没有中文解读。

原文摘录

摘自原文(1994 字符中的一小部分)
I have recently discovered a bug in the gogo/protobuf code generator. This bug allows for an index out of bounds when unmarshalling certain protobuf objects. The bug is that a check is lacking when skipping certain bytes. There are numerous occurrences of this bug (too many to count easily) the …
原文中的代码
1686:					skippy, err := skipGenerated(dAtA[iNdEx:])
1690:					if skippy < 0 {
1693:					if (iNdEx + skippy) > postIndex {
1696:					iNdEx += skippy

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 Kubernetes 所有。

时间线

  • 报告提交
  • 公开披露
阅读 HackerOne 原文 ↗作者 @pulpkk · 版权归作者与 Kubernetes 所有

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