Vulnerability Information
Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.
Vulnerability Title
N/A
Vulnerability 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.
CVSS Information
N/A
Vulnerability Type
N/A
Vulnerability Title
Oniguruma 缓冲区错误漏洞
Vulnerability Description
Oniguruma是一款开源的正则表达式库。 Oniguruma 6.2.0版本存在安全漏洞。该漏洞源于在 Ruby 中的 Oniguruma-mod 到 2.4.1 和 PHP 中的 mbstring 到 7.1.5 中使用。 在正则表达式搜索期间，mbc_enc_len() 中发生堆栈越界读取。 forward_search_range() 中对 reg->dmin 的无效处理可能导致无效的指针取消引用，因为从堆栈缓冲区读取越界。攻击者可利用该漏洞造成栈越边界读取。
CVSS Information
N/A
Vulnerability Type
N/A