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地图 / read outside of buffer (heap buffer overflow) in S_regmatch - regexec.c:6057

read outside of buffer (heap buffer overflow) in S_regmatch - regexec.c:6057

内存破坏 / 堆溢出 / #207983

厂商
Internet Bug Bounty
严重程度
低危
赏金
—
弱点
堆溢出
研究员
@geeknik
披露日期
2017-05-28
资产
Perl (Legacy)
CVE
—

该报告还没有中文解读。

原文摘录

摘自原文(1798 字符中的一小部分)
Reported to the Perl security mailing list on 20 August 2016, reported fixed by `khw` on 30 August 2016.
原文中的代码
==14086==ERROR: AddressSanitizer: heap-buffer-overflow on address 0x61900000a4aa at pc 0x000000b9988f bp 0x7fff325d9630 sp 0x7fff325d9628
READ of size 1 at 0x61900000a4aa thread T0
    #0 0xb9988e in S_regmatch /root/perl/regexec.c:6057:24
    #1 0xb691ec in S_regtry /root/perl/regexec.c:3619:14 …

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时间线

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