Vulnerability-Lookup

CNVD-2019-00335

Vulnerability from cnvd - Published: 2019-01-04

Title

PHP拒绝服务漏洞（CNVD-2019-00335）

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。基于Windows平台的PHP 5.x版本至7.1.24版本中的ext/standard/var.c文件存在安全漏洞，该漏洞源于在ext/com_dotnet/com_handlers.c文件的com_properties_get中，com和com_safearray_proxy的返回值总为空。攻击者可利用该漏洞造成拒绝服务（空指针逆向引用和应用程序崩溃）。

Severity

中

Formal description

厂商已发布漏洞修复程序，请及时关注更新： https://github.com/php/php-src/pull/3672/commits/77f24e6e2c2358ecbedcf8657be7b02a788e8137

Reference

https://nvd.nist.gov/vuln/detail/CVE-2018-19395

Impacted products

Name
The PHP Group PHP 5.x - 7.1.24

Show details on source website

JSON

To clipboard

{
  "bids": {
    "bid": {
      "bidNumber": "105989"
    }
  },
  "cves": {
    "cve": {
      "cveNumber": "CVE-2018-19395"
    }
  },
  "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\u4e3b\u8981\u7528\u4e8eWeb\u5f00\u53d1\uff0c\u652f\u6301\u591a\u79cd\u6570\u636e\u5e93\u53ca\u64cd\u4f5c\u7cfb\u7edf\u3002\n\n\u57fa\u4e8eWindows\u5e73\u53f0\u7684PHP 5.x\u7248\u672c\u81f37.1.24\u7248\u672c\u4e2d\u7684ext/standard/var.c\u6587\u4ef6\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u5728ext/com_dotnet/com_handlers.c\u6587\u4ef6\u7684com_properties_get\u4e2d\uff0ccom\u548ccom_safearray_proxy\u7684\u8fd4\u56de\u503c\u603b\u4e3a\u7a7a\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\uff08\u7a7a\u6307\u9488\u9006\u5411\u5f15\u7528\u548c\u5e94\u7528\u7a0b\u5e8f\u5d29\u6e83\uff09\u3002",
  "discovererName": "php",
  "formalWay": "\u5382\u5546\u5df2\u53d1\u5e03\u6f0f\u6d1e\u4fee\u590d\u7a0b\u5e8f\uff0c\u8bf7\u53ca\u65f6\u5173\u6ce8\u66f4\u65b0\uff1a\r\nhttps://github.com/php/php-src/pull/3672/commits/77f24e6e2c2358ecbedcf8657be7b02a788e8137",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2019-00335",
  "openTime": "2019-01-04",
  "products": {
    "product": "The PHP Group PHP 5.x - 7.1.24"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2018-19395",
  "serverity": "\u4e2d",
  "submitTime": "2018-11-21",
  "title": "PHP\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff08CNVD-2019-00335\uff09"
}

CVE-2018-19395 (GCVE-0-2018-19395)

Vulnerability from cvelistv5 – Published: 2018-11-20 21:00 – Updated: 2024-08-05 11:37

Summary

ext/standard/var.c in PHP 5.x through 7.1.24 on Windows allows attackers to cause a denial of service (NULL pointer dereference and application crash) because com and com_safearray_proxy return NULL in com_properties_get in ext/com_dotnet/com_handlers.c, as demonstrated by a serialize call on COM("WScript.Shell").

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

3 references

URL	Tags
http://www.securityfocus.com/bid/105989	vdb-entryx_refsource_BID
https://security.netapp.com/advisory/ntap-2018122…	x_refsource_CONFIRM
https://bugs.php.net/bug.php?id=77177	x_refsource_MISC

Date Public

2018-11-20 00:00

Show details on NVD website

JSON

To clipboard

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          "dateUpdated": "2024-08-05T11:37:11.480Z",
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          },
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            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://bugs.php.net/bug.php?id=77177"
          }
        ],
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      }
    ],
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          "versions": [
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        }
      ],
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      "providerMetadata": {
        "dateUpdated": "2018-12-22T10:57:01.000Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
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        },
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          ],
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          ],
          "url": "https://bugs.php.net/bug.php?id=77177"
        }
      ],
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Sightings

Author	Source	Type	Date	Other

Nomenclature

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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.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

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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.

Action not permitted

CNVD-2019-00335

CVE-2018-19395 (GCVE-0-2018-19395)

Tags

Sightings

Nomenclature

Related by attack behaviour