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I. Basic Information for CVE-2019-19203
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability 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.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
Oniguruma 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Oniguruma是一款开源的正则表达式库。 Oniguruma 6.9.4_rc2之前的6.x版本中的gb18030.c文件的‘gb18030_mbc_enc_len’函数存在缓冲区错误漏洞，该漏洞源于未正确验证数据边界。本地攻击者可利用该漏洞在系统上执行任意代码或导致应用程序崩溃。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
VendorProductAffected VersionsCPESubscribe
-n/a n/a -
II. Public POCs for CVE-2019-19203
#POC DescriptionSource LinkShenlong Link
1Heap-buffer-overflow in Oniguruma (function gb18030_mbc_enc_len)https://github.com/ManhNDd/CVE-2019-19203POC Details
2An 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-readhttps://github.com/tarantula-team/CVE-2019-19203POC Details
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III. Intelligence Information for CVE-2019-19203
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IV. Related Vulnerabilities
Same product: n/a
Same vendor: n/a
V. Comments for CVE-2019-19203

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