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地图 / CVE-2017-12985: The IPv6 parser in tcpdump before 4.9.2 has a buffer over-read in ip6_print()

CVE-2017-12985: The IPv6 parser in tcpdump before 4.9.2 has a buffer over-read in ip6_print()

内存破坏 / 缓冲区越界读 / #268803

厂商
Internet Bug Bounty
严重程度
中危 · CVSS 7.3
赏金
—
弱点
缓冲区越界读
研究员
@geeknik
披露日期
2019-10-08
资产
IBB (Legacy)
CVE
CVE-2017-12985

该报告还没有中文解读。

原文摘录

摘自原文(1795 字符中的一小部分)
Reported to the devs on 4 February 2017. Tcpdump 4.9.2 released on 8 September 2017. Patch: https://github.com/the-tcpdump-group/tcpdump/commit/66df248b49095c261138b5a5e34d341a6bf9ac7f
原文中的代码
./tcpdump -nr test003
reading from file test003, link-type IPV6 (Raw IPv6)
=================================================================
==31276==ERROR: AddressSanitizer: heap-buffer-overflow on address 0x60400000e000 at pc 0x000000578cd5 bp 0x7ffe8e397cd0 sp 0x7ffe8e397cc8
READ of size 1 at …

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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 Internet Bug Bounty 所有

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