cve/2017/CVE-2017-9227.md

CVE-2017-9227

Description

An issue was discovered in Oniguruma 6.2.0, as used in Oniguruma-mod in Ruby through 2.4.1 and mbstring in PHP through 7.1.5. A stack out-of-bounds read occurs in mbc_enc_len() during regular expression searching. Invalid handling of reg->dmin in forward_search_range() could result in an invalid pointer dereference, as an out-of-bounds read from a stack buffer.

POC

Reference

No PoCs from references.

Github

• https://github.com/balabit-deps/balabit-os-7-libonig
• https://github.com/balabit-deps/balabit-os-8-libonig
• https://github.com/onivim/esy-oniguruma