cve/2019/CVE-2019-19203.md

CVE-2019-19203

Description

An issue was discovered in Oniguruma 6.x before 6.9.4_rc2. In the function gb18030_mbc_enc_len in file gb18030.c, a UChar pointer is dereferenced without checking if it passed the end of the matched string. This leads to a heap-based buffer over-read.

POC

Reference

• https://github.com/ManhNDd/CVE-2019-19203
• https://github.com/kkos/oniguruma/issues/163
• https://github.com/tarantula-team/CVE-2019-19203

Github

• https://github.com/0xT11/CVE-POC
• https://github.com/ARPSyndicate/cvemon
• https://github.com/ManhNDd/CVE-2019-19203
• https://github.com/balabit-deps/balabit-os-8-libonig
• https://github.com/balabit-deps/balabit-os-9-libonig
• https://github.com/deepin-community/libonig
• https://github.com/developer3000S/PoC-in-GitHub
• https://github.com/hectorgie/PoC-in-GitHub
• https://github.com/kkos/oniguruma
• https://github.com/onivim/esy-oniguruma
• https://github.com/tarantula-team/CVE-2019-19203
• https://github.com/winlibs/oniguruma