CVE-2019-9021
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ext/phar/phar.c文件的‘phar_detect_phar_fname_ext’函数存在安全漏洞。攻击者可利用该漏洞读取实际数据之外被分配或未被分配的内存。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.
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I. Basic Information for CVE-2019-9021
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 heap-based buffer over-read in PHAR reading functions in the PHAR extension may allow an attacker to read allocated or unallocated memory past the actual data when trying to parse the file name, a different vulnerability than CVE-2018-20783. This is related to phar_detect_phar_fname_ext in ext/phar/phar.c.
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ext/phar/phar.c文件的‘phar_detect_phar_fname_ext’函数存在安全漏洞。攻击者可利用该漏洞读取实际数据之外被分配或未被分配的内存。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.
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-2019-9021
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2019-9021 (8)
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https://security.netapp.com/advisory/ntap-20190321-0001/ x_refsource_CONFIRM
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Mailing List Discussions for CVE-2019-9021 (3)
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http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00104.html vendor-advisory x_refsource_SUSE
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http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00041.html vendor-advisory x_refsource_SUSE
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http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00083.html vendor-advisory x_refsource_SUSE
Other References for CVE-2019-9021 (1)
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https://bugs.php.net/bug.php?id=77247 x_refsource_MISC
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-2019-9022 | PHP 缓冲区错误漏洞 | |
| CVE-2019-9023 | 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
V. Comments for CVE-2019-9021
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