puttygen: heap-buffer-overflow in mp_get_decimal()
该报告还没有中文解读。
原文摘录
摘自原文(6225 字符中的一小部分)
**Summary:** After downloading `putty-0.70-2019-01-17.53747ad.tar.gz`, I compiled it on Debian 9 with Clang-8.0.0 and AddressSanitizer and while trying to extract a public key from a crafted key file, I triggered a heap-buffer-overflow in mp_get_decimal().
原文中的代码
==20118==ERROR: AddressSanitizer: heap-buffer-overflow on address 0x602000000160 at pc 0x000000523b65 bp 0x7ffcaacb32f0 sp 0x7ffcaacb32e8
READ of size 8 at 0x602000000160 thread T0
#0 0x523b64 in mp_get_decimal /root/putty-0.70-2019-01-17.53747ad/mpint.c:412:15
#1 0x58c162 in …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 PuTTY (European Commission - DIGIT) 所有。
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 PuTTY (European Commission - DIGIT) 所有