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CVE-2019-9023

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.

PHP（PHP：Hypertext Preprocessor，PHP：超文本预处理器）是PHPGroup和开放源代码社区的共同维护的一种开源的通用计算机脚本语言。该语言主要用于Web开发，支持多种数据库及操作系统。 PHP中的mbstring正则表达式函数存在缓冲区溢出漏洞。攻击者可借助无效的多字节数据利用该漏洞造成内存损坏/泄露。以下版本受到影响：PHP 5.6.40之前版本，7.1.26之前的7.x版本，7.2.14之前的7.2.x版本，7.3.1之前的7.3.x版本。

AI Predicted 7.5 Difficulty: Moderate EPSS 9.32% · P95

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2019-9023

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
An issue was discovered in PHP before 5.6.40, 7.x before 7.1.26, 7.2.x before 7.2.14, and 7.3.x before 7.3.1. A number of heap-based buffer over-read instances are present in mbstring regular expression functions when supplied with invalid multibyte data. These occur in ext/mbstring/oniguruma/regcomp.c, ext/mbstring/oniguruma/regexec.c, ext/mbstring/oniguruma/regparse.c, ext/mbstring/oniguruma/enc/unicode.c, and ext/mbstring/oniguruma/src/utf32_be.c when a multibyte regular expression pattern contains invalid multibyte sequences.
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
PHP 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
PHP（PHP：Hypertext Preprocessor，PHP：超文本预处理器）是PHPGroup和开放源代码社区的共同维护的一种开源的通用计算机脚本语言。该语言主要用于Web开发，支持多种数据库及操作系统。 PHP中的mbstring正则表达式函数存在缓冲区溢出漏洞。攻击者可借助无效的多字节数据利用该漏洞造成内存损坏/泄露。以下版本受到影响：PHP 5.6.40之前版本，7.1.26之前的7.x版本，7.2.14之前的7.2.x版本，7.3.1之前的7.3.x版本。
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 -

II. Public POCs for CVE-2019-9023

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III. Intelligence Information for CVE-2019-9023

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Vendor Advisories for CVE-2019-9023 (8)

Mailing List Discussions for CVE-2019-9023 (3)

Other References for CVE-2019-9023 (7)

Same Patch Batch · n/a · 2019-02-22 · 16 CVEs total

CVE-2019-6485 Citrix ADC and NetScaler Gateway 信息泄露漏洞
CVE-2019-9020 PHP 资源管理错误漏洞
CVE-2019-9021 PHP 缓冲区错误漏洞
CVE-2019-9022 PHP 缓冲区错误漏洞
CVE-2019-9024 PHP 缓冲区错误漏洞
CVE-2019-9025 PHP 缓冲区错误漏洞
CVE-2019-9019 British Airways Entertainment System 缓冲区错误漏洞
CVE-2019-9015 MOPCMS 路径遍历漏洞
CVE-2019-9016 MOPCMS 跨站脚本漏洞
CVE-2018-20784 Linux kernel 资源管理错误漏洞
CVE-2019-9003 Linux kernel 资源管理错误漏洞
CVE-2019-9004 Eclipse Wakaama 资源管理错误漏洞
CVE-2019-7728 Robert Bosch Smart Camera App for Android 安全漏洞
CVE-2019-7729 Robert Bosch Smart Camera App for Android 权限许可和访问控制问题漏洞
CVE-2019-9002 tinyissue和pixeline Bugs 代码注入漏洞

IV. Related Vulnerabilities

Same product: n/a
Same vendor: n/a

V. Comments for CVE-2019-9023

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