cnvd - cnvd-2016-02169

cnvd-2016-02169

Vulnerability from cnvd

Title: PostgreSQL安全绕过漏洞（CNVD-2016-02169）

Description:

PostgreSQL是PostgreSQL开发组所研发的一套自由的对象关系型数据库管理系统。该系统支持大部分SQL标准并且提供了许多其他特性，例如外键、触发器、视图等。

PostgreSQL 9.5.2之前9.5.x版本中存在安全绕过漏洞，该漏洞源于程序未能正确维持plancache中的row-security状态。攻击者可借助作为多个角色执行查询的会话利用该漏洞绕过既定的访问限制。

Severity: 中

Patch Name: PostgreSQL安全绕过漏洞（CNVD-2016-02169）的补丁

Patch Description:

PostgreSQL 9.5.2之前9.5.x版本中存在安全绕过漏洞，该漏洞源于程序未能正确维持plancache中的row-security状态。攻击者可借助作为多个角色执行查询的会话利用该漏洞绕过既定的访问限制。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:

目前厂商已经发布了升级补丁以修复此安全问题，补丁获取链接： http://www.postgresql.org/about/news/1656/

Reference: http://www.postgresql.org/about/news/1656/ http://www.postgresql.org/docs/current/static/release-9-5-2.html http://git.postgresql.org/gitweb/?p=postgresql.git;a=commitdiff;h=db69e58a0642ef7fa46d62f6c4cf2460c3a1b41b

Impacted products

Name
PostgreSQL Postgresql 9.5.x<9.5.2

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2016-2193"
    }
  },
  "description": "PostgreSQL\u662fPostgreSQL\u5f00\u53d1\u7ec4\u6240\u7814\u53d1\u7684\u4e00\u5957\u81ea\u7531\u7684\u5bf9\u8c61\u5173\u7cfb\u578b\u6570\u636e\u5e93\u7ba1\u7406\u7cfb\u7edf\u3002\u8be5\u7cfb\u7edf\u652f\u6301\u5927\u90e8\u5206SQL\u6807\u51c6\u5e76\u4e14\u63d0\u4f9b\u4e86\u8bb8\u591a\u5176\u4ed6\u7279\u6027\uff0c\u4f8b\u5982\u5916\u952e\u3001\u89e6\u53d1\u5668\u3001\u89c6\u56fe\u7b49\u3002\r\n\r\nPostgreSQL 9.5.2\u4e4b\u524d9.5.x\u7248\u672c\u4e2d\u5b58\u5728\u5b89\u5168\u7ed5\u8fc7\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7a0b\u5e8f\u672a\u80fd\u6b63\u786e\u7ef4\u6301plancache\u4e2d\u7684row-security\u72b6\u6001\u3002\u653b\u51fb\u8005\u53ef\u501f\u52a9\u4f5c\u4e3a\u591a\u4e2a\u89d2\u8272\u6267\u884c\u67e5\u8be2\u7684\u4f1a\u8bdd\u5229\u7528\u8be5\u6f0f\u6d1e\u7ed5\u8fc7\u65e2\u5b9a\u7684\u8bbf\u95ee\u9650\u5236\u3002",
  "discovererName": "unknown",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u7ecf\u53d1\u5e03\u4e86\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u6b64\u5b89\u5168\u95ee\u9898\uff0c\u8865\u4e01\u83b7\u53d6\u94fe\u63a5\uff1a\r\nhttp://www.postgresql.org/about/news/1656/",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2016-02169",
  "openTime": "2016-04-13",
  "patchDescription": "PostgreSQL\u662fPostgreSQL\u5f00\u53d1\u7ec4\u6240\u7814\u53d1\u7684\u4e00\u5957\u81ea\u7531\u7684\u5bf9\u8c61\u5173\u7cfb\u578b\u6570\u636e\u5e93\u7ba1\u7406\u7cfb\u7edf\u3002\u8be5\u7cfb\u7edf\u652f\u6301\u5927\u90e8\u5206SQL\u6807\u51c6\u5e76\u4e14\u63d0\u4f9b\u4e86\u8bb8\u591a\u5176\u4ed6\u7279\u6027\uff0c\u4f8b\u5982\u5916\u952e\u3001\u89e6\u53d1\u5668\u3001\u89c6\u56fe\u7b49\u3002\r\n\r\nPostgreSQL 9.5.2\u4e4b\u524d9.5.x\u7248\u672c\u4e2d\u5b58\u5728\u5b89\u5168\u7ed5\u8fc7\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7a0b\u5e8f\u672a\u80fd\u6b63\u786e\u7ef4\u6301plancache\u4e2d\u7684row-security\u72b6\u6001\u3002\u653b\u51fb\u8005\u53ef\u501f\u52a9\u4f5c\u4e3a\u591a\u4e2a\u89d2\u8272\u6267\u884c\u67e5\u8be2\u7684\u4f1a\u8bdd\u5229\u7528\u8be5\u6f0f\u6d1e\u7ed5\u8fc7\u65e2\u5b9a\u7684\u8bbf\u95ee\u9650\u5236\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": "PostgreSQL\u5b89\u5168\u7ed5\u8fc7\u6f0f\u6d1e\uff08CNVD-2016-02169\uff09\u7684\u8865\u4e01",
  "products": {
    "product": "PostgreSQL Postgresql 9.5.x\u003c9.5.2"
  },
  "referenceLink": "http://www.postgresql.org/about/news/1656/\r\nhttp://www.postgresql.org/docs/current/static/release-9-5-2.html\r\nhttp://git.postgresql.org/gitweb/?p=postgresql.git;a=commitdiff;h=db69e58a0642ef7fa46d62f6c4cf2460c3a1b41b",
  "serverity": "\u4e2d",
  "submitTime": "2016-04-12",
  "title": "PostgreSQL\u5b89\u5168\u7ed5\u8fc7\u6f0f\u6d1e\uff08CNVD-2016-02169\uff09"
}

CVE-2016-2193 (GCVE-0-2016-2193)

Vulnerability from cvelistv5

Published

2016-04-11 15:00

Modified

2024-08-05 23:24

Severity ?

CWE

Summary

PostgreSQL before 9.5.x before 9.5.2 does not properly maintain row-security status in cached plans, which might allow attackers to bypass intended access restrictions by leveraging a session that performs queries as more than one role.

References

▼	URL	Tags
	http://www.postgresql.org/docs/current/static/release-9-5-2.html	x_refsource_CONFIRM
	http://www.postgresql.org/about/news/1656/	x_refsource_CONFIRM
	http://www.securitytracker.com/id/1035468	vdb-entry, x_refsource_SECTRACK
	http://git.postgresql.org/gitweb/?p=postgresql.git%3Ba=commitdiff%3Bh=db69e58a0642ef7fa46d62f6c4cf2460c3a1b41b	x_refsource_CONFIRM

Impacted products

	Vendor	Product	Version
	n/a	n/a	Version: n/a

Show details on NVD website

JSON

To clipboard

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Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
Confirmed: The vulnerability is confirmed from an analyst perspective.
Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
Patched: This vulnerability was successfully patched by the user reporting the sighting.
Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
Not confirmed: The user expresses doubt about the veracity of the vulnerability.
Not patched: This vulnerability was not successfully patched by the user reporting the sighting.

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