CVE-2015-8994
Quick assessment
Affected
n/a n/a
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
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PHP Group和开放源代码社区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 5.x版本和7.x版本中存在安全漏洞。攻击者可利用该漏控制PHP Web应用程序。
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I. Basic Information for CVE-2015-8994
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
An issue was discovered in PHP 5.x and 7.x, when the configuration uses apache2handler/mod_php or php-fpm with OpCache enabled. With 5.x after 5.6.28 or 7.x after 7.0.13, the issue is resolved in a non-default configuration with the opcache.validate_permission=1 setting. The vulnerability details are as follows. In PHP SAPIs where PHP interpreters share a common parent process, Zend OpCache creates a shared memory object owned by the common parent during initialization. Child PHP processes inherit the SHM descriptor, using it to cache and retrieve compiled script bytecode ("opcode" in PHP jargon). Cache keys vary depending on configuration, but filename is a central key component, and compiled opcode can generally be run if a script's filename is known or can be guessed. Many common shared-hosting configurations change EUID in child processes to enforce privilege separation among hosted users (for example using mod_ruid2 for the Apache HTTP Server, or php-fpm user settings). In these scenarios, the default Zend OpCache behavior defeats script file permissions by sharing a single SHM cache among all child PHP processes. PHP scripts often contain sensitive information: Think of CMS configurations where reading or running another user's script usually means gaining privileges to the CMS database.
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 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
PHP（PHP：Hypertext Preprocessor，PHP：超文本预处理器）是PHP Group和开放源代码社区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 5.x版本和7.x版本中存在安全漏洞。攻击者可利用该漏控制PHP Web应用程序。
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-2015-8994
| # | POC Description | Source Link | Shenlong Link |
|---|
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Mailing List Discussions for CVE-2015-8994 (5)
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http://seclists.org/oss-sec/2016/q4/343 x_refsource_MISC
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http://openwall.com/lists/oss-security/2017/02/28/1 x_refsource_MISC
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http://marc.info/?l=php-internals&m=147921016724565&w=2 x_refsource_MISC
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http://marc.info/?l=php-internals&m=147876797317925&w=2 x_refsource_MISC
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http://seclists.org/oss-sec/2017/q1/520 x_refsource_MISC
Other References for CVE-2015-8994 (2)
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https://ma.ttias.be/a-better-way-to-run-php-fpm/ x_refsource_MISC
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https://bugs.php.net/bug.php?id=69090 x_refsource_MISC
Same Patch Batch · n/a · 2017-03-02 · 37 CVEs total
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| CVE-2017-6319 | radare2 安全漏洞 | |
| CVE-2017-6387 | radare2 安全漏洞 | |
| CVE-2017-6415 | radare2 代码问题漏洞 | |
| CVE-2016-10228 | GNU C Library 输入验证错误漏洞 | |
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| CVE-2016-10060 | ImageMagick 输入验证错误漏洞 |
Showing top 20 of 37 CVEs. View all on vendor page → →
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