cve/2017/CVE-2017-9224.md

CVE-2017-9224

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 match_at() during regular expression searching. A logical error involving order of validation and access in match_at() could result in 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