CVE-2019-11043— PHP 缓冲区错误漏洞
一分钟漏洞结论
影响对象
PHP PHP
利用判断
已确认在野利用，应立即处置
建议动作
优先检查厂商安全公告和参考链接中的修复版本；无法立即升级时，限制受影响服务暴露并加强监测。
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中存在缓冲区错误漏洞。该漏洞源于网络系统或产品在内存上执行操作时，未正确验证数据边界，导致向关联的其他内存位置上执行了错误的读写操作。攻击者可利用该漏洞导致缓冲区溢出或堆溢出等。以下产品及版本受到影响：PHP 7.1.33之前版本的7.1.x版本，7.2.24之前版本的7.2.x版本，7
已观察到在野利用
cisa_kev · confirmed
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一、 漏洞 CVE-2019-11043 基础信息
漏洞信息
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Vulnerability Title
Underflow in PHP-FPM can lead to RCE
来源: CVE Program / CVE List V5
Vulnerability Description
In PHP versions 7.1.x below 7.1.33, 7.2.x below 7.2.24 and 7.3.x below 7.3.11 in certain configurations of FPM setup it is possible to cause FPM module to write past allocated buffers into the space reserved for FCGI protocol data, thus opening the possibility of remote code execution.
来源: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N
来源: CVE Program / CVE List V5
Vulnerability Type
未进行输入大小检查的缓冲区拷贝(传统缓冲区溢出)
来源: CVE Program / CVE List V5
Vulnerability Title
PHP 缓冲区错误漏洞
来源: 中国国家信息安全漏洞库 CNNVD
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中存在缓冲区错误漏洞。该漏洞源于网络系统或产品在内存上执行操作时，未正确验证数据边界，导致向关联的其他内存位置上执行了错误的读写操作。攻击者可利用该漏洞导致缓冲区溢出或堆溢出等。以下产品及版本受到影响：PHP 7.1.33之前版本的7.1.x版本，7.2.24之前版本的7.2.x版本，7
来源: 中国国家信息安全漏洞库 CNNVD
CVSS Information
N/A
来源: 中国国家信息安全漏洞库 CNNVD
Vulnerability Type
N/A
来源: 中国国家信息安全漏洞库 CNNVD
受影响产品
二、漏洞 CVE-2019-11043 的公开POC
| # | POC 描述 | 源链接 | 神龙链接 |
|---|---|---|---|
| 1 | Exploit for CVE-2019-11043 | https://github.com/neex/phuip-fpizdam | POC详情 |
| 2 | CVE-2019-11043 | https://github.com/B1gd0g/CVE-2019-11043 | POC详情 |
| 3 | None | https://github.com/tinker-li/CVE-2019-11043 | POC详情 |
| 4 | php-fpm+Nginx RCE | https://github.com/jas502n/CVE-2019-11043 | POC详情 |
| 5 | PHP-FPM Remote Code Execution Vulnerability (CVE-2019-11043) POC in Python | https://github.com/AleWong/PHP-FPM-Remote-Code-Execution-Vulnerability-CVE-2019-11043- | POC详情 |
| 6 | None | https://github.com/ianxtianxt/CVE-2019-11043 | POC详情 |
| 7 | None | https://github.com/fairyming/CVE-2019-11043 | POC详情 |
| 8 | None | https://github.com/akamajoris/CVE-2019-11043-Docker | POC详情 |
| 9 | (PoC) Python version of CVE-2019-11043 exploit by neex | https://github.com/theMiddleBlue/CVE-2019-11043 | POC详情 |
| 10 | CVE-2019-11043 PHP远程代码执行 | https://github.com/shadow-horse/cve-2019-11043 | POC详情 |
| 11 | Python exp for CVE-2019-11043 | https://github.com/huowen/CVE-2019-11043 | POC详情 |
| 12 | Docker image and commands to check CVE-2019-11043 vulnerability on nginx/php-fpm applications. | https://github.com/ypereirareis/docker-CVE-2019-11043 | POC详情 |
| 13 | CVE-2019-11043 && PHP7.x && RCE EXP | https://github.com/MRdoulestar/CVE-2019-11043 | POC详情 |
| 14 | CVE-2019-11043 PHP7.x RCE | https://github.com/0th3rs-Security-Team/CVE-2019-11043 | POC详情 |
| 15 | Ladon POC Moudle CVE-2019-11043 (PHP-FPM + Ngnix) | https://github.com/k8gege/CVE-2019-11043 | POC详情 |
| 16 | remote debug environment for CLion | https://github.com/moniik/CVE-2019-11043_env | POC详情 |
| 17 | This repository provides a dockerized infrastructure and a python implementation of the CVE-2019-11043 exploit. | https://github.com/kriskhub/CVE-2019-11043 | POC详情 |
| 18 | None | https://github.com/alokaranasinghe/cve-2019-11043 | POC详情 |
| 19 | quick and dirty PHP RCE proof of concept | https://github.com/corifeo/CVE-2019-11043 | POC详情 |
| 20 | PHP-FPM Remote Command Execution Exploit | https://github.com/lindemer/CVE-2019-11043 | POC详情 |
| 21 | CVE-2019-11043 | https://github.com/jptr218/php_hack | POC详情 |
| 22 | CVE-2019-11043 LAB | https://github.com/jas9reet/CVE-2019-11043 | POC详情 |
| 23 | None | https://github.com/Threekiii/Awesome-POC/blob/master/%E5%BC%80%E5%8F%91%E8%AF%AD%E8%A8%80%E6%BC%8F%E6%B4%9E/PHP-FPM%20%E8%BF%9C%E7%A8%8B%E4%BB%A3%E7%A0%81%E6%89%A7%E8%A1%8C%E6%BC%8F%E6%B4%9E%20CVE-2019-11043.md | POC详情 |
| 24 | https://github.com/vulhub/vulhub/blob/master/php/CVE-2019-11043/README.md | POC详情 | |
| 25 | exploit for CVE-2019-11043 | https://github.com/bayazid-bit/CVE-2019-11043- | POC详情 |
| 26 | None | https://github.com/a1ex-var1amov/ctf-cve-2019-11043 | POC详情 |
| 27 | Exploit for CVE-2019-11043 | https://github.com/CodeHex083/phuip-fpizdam | POC详情 |
| 28 | None | https://github.com/AndrewMas99/CVE-2019-11043-Vulnerability | POC详情 |
| 29 | Python port of an ExploitDB proof-of-concept. | https://github.com/gon905332-jpg/cve-2019-11043.py | POC详情 |
| 30 | In PHP-FPM before 7.1.33, 7.2.x before 7.2.24, and 7.3.x before 7.3.11, when deployed in certain Nginx configurations with the fastcgi_split_path_info directive, a crafted request with an empty PATH_INFO can trigger a buffer underflow in the php-fpm code. This may allow an unauthenticated remote attacker to execute arbitrary code through specially crafted URLs by manipulating the PATH_INFO, leading to potential remote code execution. This template checks for the presence of the vulnerable misconfiguration without performing exploitation. | https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2019/CVE-2019-11043.yaml | POC详情 |
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CVE-2019-11043 厂商安全公告 (15)
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https://support.apple.com/kb/HT210919 x_refsource_CONFIRM
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https://security.netapp.com/advisory/ntap-20191031-0003/ x_refsource_CONFIRM
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🔗 USN-4166-1: PHP vulnerability | Ubuntu security notices | Ubuntu 查看完整文章 vendor-advisory x_refsource_UBUNTU
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CVE-2019-11043 公开利用代码 (1)
CVE-2019-11043 邮件列表归档 (7)
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http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00014.html vendor-advisory x_refsource_SUSE
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http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00011.html vendor-advisory x_refsource_SUSE
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https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/T62LF4ZWVV7OMMIZFO6IFO5QLZKK7YRD/ vendor-advisory x_refsource_FEDORA
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https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3W23TP6X4H7LB645FYZLUPNIRD5W3EPU/ vendor-advisory x_refsource_FEDORA
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https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FSNBUSPKMLUHHOADROKNG5GDWDCRHT5M/ vendor-advisory x_refsource_FEDORA
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CVE-2019-11043 其他参考 (4)
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https://github.com/neex/phuip-fpizdam x_refsource_MISC
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https://www.tenable.com/security/tns-2021-14 x_refsource_CONFIRM
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https://bugs.php.net/bug.php?id=78599 x_refsource_CONFIRM
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https://www.synology.com/security/advisory/Synology_SA_19_36 x_refsource_CONFIRM
IV. Related Vulnerabilities
V. Comments for CVE-2019-11043
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