CVE-2017-9227
Quick assessment
Affected
n/a n/a
Exploitation
High exploitation probability; assess promptly
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
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。
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I. Basic Information for CVE-2017-9227
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
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.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
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 6.2.0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。
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
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| - | n/a | n/a | - |
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II. Public POCs for CVE-2017-9227
| # | POC Description | Source Link | Shenlong Link |
|---|
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Patches & Fixes for CVE-2017-9227 (1)
Vendor Advisories for CVE-2017-9227 (2)
Other References for CVE-2017-9227 (1)
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https://github.com/kkos/oniguruma/issues/58 x_refsource_CONFIRM
Same Patch Batch · n/a · 2017-05-24 · 9 CVEs total
| CVE-2017-9230 | BIP proposal 安全漏洞 | |
| CVE-2017-9224 | Oniguruma 缓冲区错误漏洞 | |
| CVE-2017-9225 | Oniguruma 缓冲区错误漏洞 | |
| CVE-2017-9226 | Oniguruma 缓冲区错误漏洞 | |
| CVE-2017-9228 | Oniguruma 缓冲区错误漏洞 | |
| CVE-2017-9229 | Oniguruma 代码问题漏洞 | |
| CVE-2017-9216 | Artifex Software MuPDF和Ghostscript Artifex jbig2dec 安全漏洞 | |
| CVE-2017-9217 | systemd-resolved 安全漏洞 |
IV. Related Vulnerabilities
V. Comments for CVE-2017-9227
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