CNVD-2016-00393

Vulnerability from cnvd - Published: 2016-01-21
VLAI
Title
PHP 'ext/standard/exec.c'文件整数溢出漏洞
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。该语言支持多重语法、支持多数据库及操作系统和支持C、C++进行程序扩展等。 PHP 7.0.2之前7.x版本的ext/standard/exec.c文件存在整数溢出漏洞。由于'php_escape_shell_cmd'和'php_escape_shell_arg'函数未能充分过滤较长的字符串。远程攻击者可利用该漏洞造成拒绝服务。
Severity
Patch Name
PHP 'ext/standard/exec.c'文件整数溢出漏洞的补丁
Patch 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。该语言支持多重语法、支持多数据库及操作系统和支持C、C++进行程序扩展等。 PHP 7.0.2之前7.x版本的ext/standard/exec.c文件存在整数溢出漏洞。由于'php_escape_shell_cmd'和'php_escape_shell_arg'函数未能充分过滤较长的字符串。远程攻击者可利用该漏洞造成拒绝服务。目前,供应商发布了安全公告及相关补丁信息,修复了此漏洞。
Formal description

用户可参考如下供应商提供的安全公告获得补丁信息: http://www.php.net/ChangeLog-7.php

Reference
https://github.com/php/php-src/commit/2871c70efaaaa0f102557a17c727fd4d5204dd4b http://www.openwall.com/lists/oss-security/2016/01/14/8 https://bugs.php.net/bug.php?id=71270
Impacted products
Name
PHP PHP 7.x(<7.0.2)
Show details on source website

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2016-1904"
    }
  },
  "description": "PHP\uff08PHP\uff1aHypertext Preprocessor\uff0cPHP\uff1a\u8d85\u6587\u672c\u9884\u5904\u7406\u5668\uff09\u662fPHP Group\u548c\u5f00\u653e\u6e90\u4ee3\u7801\u793e\u533a\u5171\u540c\u7ef4\u62a4\u7684\u4e00\u79cd\u5f00\u6e90\u7684\u901a\u7528\u8ba1\u7b97\u673a\u811a\u672c\u8bed\u8a00\u3002\u8be5\u8bed\u8a00\u652f\u6301\u591a\u91cd\u8bed\u6cd5\u3001\u652f\u6301\u591a\u6570\u636e\u5e93\u53ca\u64cd\u4f5c\u7cfb\u7edf\u548c\u652f\u6301C\u3001C++\u8fdb\u884c\u7a0b\u5e8f\u6269\u5c55\u7b49\u3002\r\n\r\nPHP 7.0.2\u4e4b\u524d7.x\u7248\u672c\u7684ext/standard/exec.c\u6587\u4ef6\u5b58\u5728\u6574\u6570\u6ea2\u51fa\u6f0f\u6d1e\u3002\u7531\u4e8e\u0027php_escape_shell_cmd\u0027\u548c\u0027php_escape_shell_arg\u0027\u51fd\u6570\u672a\u80fd\u5145\u5206\u8fc7\u6ee4\u8f83\u957f\u7684\u5b57\u7b26\u4e32\u3002\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\u3002",
  "discovererName": "Emmanuel Law",
  "formalWay": "\u7528\u6237\u53ef\u53c2\u8003\u5982\u4e0b\u4f9b\u5e94\u5546\u63d0\u4f9b\u7684\u5b89\u5168\u516c\u544a\u83b7\u5f97\u8865\u4e01\u4fe1\u606f\uff1a\r\nhttp://www.php.net/ChangeLog-7.php",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2016-00393",
  "openTime": "2016-01-21",
  "patchDescription": "PHP\uff08PHP\uff1aHypertext Preprocessor\uff0cPHP\uff1a\u8d85\u6587\u672c\u9884\u5904\u7406\u5668\uff09\u662fPHP Group\u548c\u5f00\u653e\u6e90\u4ee3\u7801\u793e\u533a\u5171\u540c\u7ef4\u62a4\u7684\u4e00\u79cd\u5f00\u6e90\u7684\u901a\u7528\u8ba1\u7b97\u673a\u811a\u672c\u8bed\u8a00\u3002\u8be5\u8bed\u8a00\u652f\u6301\u591a\u91cd\u8bed\u6cd5\u3001\u652f\u6301\u591a\u6570\u636e\u5e93\u53ca\u64cd\u4f5c\u7cfb\u7edf\u548c\u652f\u6301C\u3001C++\u8fdb\u884c\u7a0b\u5e8f\u6269\u5c55\u7b49\u3002\r\n\r\nPHP 7.0.2\u4e4b\u524d7.x\u7248\u672c\u7684ext/standard/exec.c\u6587\u4ef6\u5b58\u5728\u6574\u6570\u6ea2\u51fa\u6f0f\u6d1e\u3002\u7531\u4e8e\u0027php_escape_shell_cmd\u0027\u548c\u0027php_escape_shell_arg\u0027\u51fd\u6570\u672a\u80fd\u5145\u5206\u8fc7\u6ee4\u8f83\u957f\u7684\u5b57\u7b26\u4e32\u3002\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\u3002\u76ee\u524d\uff0c\u4f9b\u5e94\u5546\u53d1\u5e03\u4e86\u5b89\u5168\u516c\u544a\u53ca\u76f8\u5173\u8865\u4e01\u4fe1\u606f\uff0c\u4fee\u590d\u4e86\u6b64\u6f0f\u6d1e\u3002",
  "patchName": "PHP \u0027ext/standard/exec.c\u0027\u6587\u4ef6\u6574\u6570\u6ea2\u51fa\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "PHP PHP 7.x(\u003c7.0.2)"
  },
  "referenceLink": "https://github.com/php/php-src/commit/2871c70efaaaa0f102557a17c727fd4d5204dd4b\r\nhttp://www.openwall.com/lists/oss-security/2016/01/14/8\r\nhttps://bugs.php.net/bug.php?id=71270",
  "serverity": "\u4e2d",
  "submitTime": "2016-01-20",
  "title": "PHP \u0027ext/standard/exec.c\u0027\u6587\u4ef6\u6574\u6570\u6ea2\u51fa\u6f0f\u6d1e"
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

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Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.


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