Exploitation Summary
EIP tracks 2 public exploits for CVE-2019-19203. PoCs published by ManhNDd, tarantula-team.
AI-analyzed exploit summary This repository contains a functional proof-of-concept exploit for CVE-2019-19203, demonstrating a heap-based buffer over-read vulnerability in Oniguruma's gb18030_mbc_enc_len function. The PoC includes a C program that triggers the vulnerability, along with a detailed crash log and root cause analysis.
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.
Exploits (2)
This repository contains a functional proof-of-concept exploit for CVE-2019-19203, demonstrating a heap-based buffer over-read vulnerability in Oniguruma's gb18030_mbc_enc_len function. The PoC includes a C program that triggers the vulnerability, along with a detailed crash log and root cause analysis.
This repository contains a functional proof-of-concept exploit for CVE-2019-19203, demonstrating a heap-based buffer over-read vulnerability in Oniguruma's gb18030_mbc_enc_len function. The PoC includes a C program that triggers the vulnerability using a crafted input string, along with a detailed crash log from AddressSanitizer.
References (6)
Scores
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H