cnvd-2019-23304
Vulnerability from cnvd

Title: PHP GD扩展输入验证错误漏洞

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。EXIF extension是其中的一个用于读取和编写图像元数据的扩展。

PHP中的GD扩展的'gdImageCreateFromXbm()'函数存在安全漏洞。攻击者可利用该漏洞绕过安全限制,获取未授权的访问权限。

Severity:

Patch Name: PHP GD扩展输入验证错误漏洞的补丁

Patch 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。EXIF extension是其中的一个用于读取和编写图像元数据的扩展。

PHP中的GD扩展的'gdImageCreateFromXbm()'函数存在安全漏洞。攻击者可利用该漏洞绕过安全限制,获取未授权的访问权限。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:

目前厂商已发布升级补丁以修复漏洞,详情请关注厂商主页: https://www.keycloak.org/

Reference: https://github.com/libgd/libgd/issues/501

Impacted products
Name
['PHPGroup PHP(PHP:Hypertext Preprocessor,PHP:超文本预处理器) 7.1.*;<7.1.30', 'PHPGroup PHP(PHP:Hypertext Preprocessor,PHP:超文本预处理器) 7.2.*;<7.2.19', 'PHPGroup PHP(PHP:Hypertext Preprocessor,PHP:超文本预处理器) 7.3.*;<7.3.6']
Show details on source website


{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2019-11038",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2019-11038"
    }
  },
  "description": "PHP\uff08PHP\uff1aHypertext Preprocessor\uff0cPHP\uff1a\u8d85\u6587\u672c\u9884\u5904\u7406\u5668\uff09\u662fPHPGroup\u548c\u5f00\u653e\u6e90\u4ee3\u7801\u793e\u533a\u7684\u5171\u540c\u7ef4\u62a4\u7684\u4e00\u79cd\u5f00\u6e90\u7684\u901a\u7528\u8ba1\u7b97\u673a\u811a\u672c\u8bed\u8a00\u3002\u8be5\u8bed\u8a00\u4e3b\u8981\u7528\u4e8eWeb\u5f00\u53d1\uff0c\u652f\u6301\u591a\u79cd\u6570\u636e\u5e93\u53ca\u64cd\u4f5c\u7cfb\u7edf\u3002EXIF extension\u662f\u5176\u4e2d\u7684\u4e00\u4e2a\u7528\u4e8e\u8bfb\u53d6\u548c\u7f16\u5199\u56fe\u50cf\u5143\u6570\u636e\u7684\u6269\u5c55\u3002\n\nPHP\u4e2d\u7684GD\u6269\u5c55\u7684\u0027gdImageCreateFromXbm()\u0027\u51fd\u6570\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u7ed5\u8fc7\u5b89\u5168\u9650\u5236\uff0c\u83b7\u53d6\u672a\u6388\u6743\u7684\u8bbf\u95ee\u6743\u9650\u3002",
  "discovererName": "stas",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u53d1\u5e03\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u6f0f\u6d1e\uff0c\u8be6\u60c5\u8bf7\u5173\u6ce8\u5382\u5546\u4e3b\u9875\uff1a\r\nhttps://www.keycloak.org/",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2019-23304",
  "openTime": "2019-07-18",
  "patchDescription": "PHP\uff08PHP\uff1aHypertext Preprocessor\uff0cPHP\uff1a\u8d85\u6587\u672c\u9884\u5904\u7406\u5668\uff09\u662fPHPGroup\u548c\u5f00\u653e\u6e90\u4ee3\u7801\u793e\u533a\u7684\u5171\u540c\u7ef4\u62a4\u7684\u4e00\u79cd\u5f00\u6e90\u7684\u901a\u7528\u8ba1\u7b97\u673a\u811a\u672c\u8bed\u8a00\u3002\u8be5\u8bed\u8a00\u4e3b\u8981\u7528\u4e8eWeb\u5f00\u53d1\uff0c\u652f\u6301\u591a\u79cd\u6570\u636e\u5e93\u53ca\u64cd\u4f5c\u7cfb\u7edf\u3002EXIF extension\u662f\u5176\u4e2d\u7684\u4e00\u4e2a\u7528\u4e8e\u8bfb\u53d6\u548c\u7f16\u5199\u56fe\u50cf\u5143\u6570\u636e\u7684\u6269\u5c55\u3002\r\n\r\nPHP\u4e2d\u7684GD\u6269\u5c55\u7684\u0027gdImageCreateFromXbm()\u0027\u51fd\u6570\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u7ed5\u8fc7\u5b89\u5168\u9650\u5236\uff0c\u83b7\u53d6\u672a\u6388\u6743\u7684\u8bbf\u95ee\u6743\u9650\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 GD\u6269\u5c55\u8f93\u5165\u9a8c\u8bc1\u9519\u8bef\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": [
      "PHPGroup PHP\uff08PHP\uff1aHypertext Preprocessor\uff0cPHP\uff1a\u8d85\u6587\u672c\u9884\u5904\u7406\u5668\uff09 7.1.*;\u003c7.1.30",
      "PHPGroup PHP\uff08PHP\uff1aHypertext Preprocessor\uff0cPHP\uff1a\u8d85\u6587\u672c\u9884\u5904\u7406\u5668\uff09 7.2.*;\u003c7.2.19",
      "PHPGroup PHP\uff08PHP\uff1aHypertext Preprocessor\uff0cPHP\uff1a\u8d85\u6587\u672c\u9884\u5904\u7406\u5668\uff09 7.3.*;\u003c7.3.6"
    ]
  },
  "referenceLink": "https://github.com/libgd/libgd/issues/501",
  "serverity": "\u4e2d",
  "submitTime": "2019-06-28",
  "title": "PHP GD\u6269\u5c55\u8f93\u5165\u9a8c\u8bc1\u9519\u8bef\u6f0f\u6d1e"
}


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Nomenclature

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