Vulnerability-Lookup

CNVD-2016-02163

Vulnerability from cnvd - Published: 2016-04-13

Title

PostgreSQL pageinspect扩展安全绕过漏洞

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版本的pageinspect扩展中的‘brin_page_type’函数和‘brin_metapage_info’函数中存在安全漏洞。攻击者可借助BRIN索引页中特制的bytea值利用该漏洞绕过既定的访问限制，获取敏感的服务器内存信息，或造成拒绝服务（服务器崩溃）。

Severity

中

Patch Name

PostgreSQL pageinspect扩展安全绕过漏洞的补丁

Patch Description

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.securitytracker.com/id/1035468 http://git.postgresql.org/gitweb/?p=postgresql.git;a=commitdiff;h=bf78a6f107949fdfb513d1b45e30cefe04e09e4f

Impacted products

Name
PostgreSQL Postgresql 9.5.x<9.5.2

Show details on source website

JSON

To clipboard

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  "cves": {
    "cve": {
      "cveNumber": "CVE-2016-3065"
    }
  },
  "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\u7684pageinspect\u6269\u5c55\u4e2d\u7684\u2018brin_page_type\u2019\u51fd\u6570\u548c\u2018brin_metapage_info\u2019\u51fd\u6570\u4e2d\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u501f\u52a9BRIN\u7d22\u5f15\u9875\u4e2d\u7279\u5236\u7684bytea\u503c\u5229\u7528\u8be5\u6f0f\u6d1e\u7ed5\u8fc7\u65e2\u5b9a\u7684\u8bbf\u95ee\u9650\u5236\uff0c\u83b7\u53d6\u654f\u611f\u7684\u670d\u52a1\u5668\u5185\u5b58\u4fe1\u606f\uff0c\u6216\u9020\u6210\u62d2\u7edd\u670d\u52a1\uff08\u670d\u52a1\u5668\u5d29\u6e83\uff09\u3002",
  "discovererName": "Alvaro Herrera \u003calvherre@alvh.no-ip.org\u003e",
  "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-2016-02163",
  "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\u7684pageinspect\u6269\u5c55\u4e2d\u7684\u2018brin_page_type\u2019\u51fd\u6570\u548c\u2018brin_metapage_info\u2019\u51fd\u6570\u4e2d\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u501f\u52a9BRIN\u7d22\u5f15\u9875\u4e2d\u7279\u5236\u7684bytea\u503c\u5229\u7528\u8be5\u6f0f\u6d1e\u7ed5\u8fc7\u65e2\u5b9a\u7684\u8bbf\u95ee\u9650\u5236\uff0c\u83b7\u53d6\u654f\u611f\u7684\u670d\u52a1\u5668\u5185\u5b58\u4fe1\u606f\uff0c\u6216\u9020\u6210\u62d2\u7edd\u670d\u52a1\uff08\u670d\u52a1\u5668\u5d29\u6e83\uff09\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 pageinspect\u6269\u5c55\u5b89\u5168\u7ed5\u8fc7\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "PostgreSQL Postgresql 9.5.x\u003c9.5.2"
  },
  "referenceLink": "http://www.securitytracker.com/id/1035468\r\nhttp://git.postgresql.org/gitweb/?p=postgresql.git;a=commitdiff;h=bf78a6f107949fdfb513d1b45e30cefe04e09e4f",
  "serverity": "\u4e2d",
  "submitTime": "2016-04-12",
  "title": "PostgreSQL pageinspect\u6269\u5c55\u5b89\u5168\u7ed5\u8fc7\u6f0f\u6d1e"
}

CVE-2016-3065 (GCVE-0-2016-3065)

Vulnerability from cvelistv5 – Published: 2016-04-11 15:00 – Updated: 2024-08-05 23:40

Summary

The (1) brin_page_type and (2) brin_metapage_info functions in the pageinspect extension in PostgreSQL before 9.5.x before 9.5.2 allows attackers to bypass intended access restrictions and consequently obtain sensitive server memory information or cause a denial of service (server crash) via a crafted bytea value in a BRIN index page.

Severity

No CVSS data available.

CWE

Assigner

redhat redhat root

References

4 references

URL	Tags
http://git.postgresql.org/gitweb/?p=postgresql.gi…	x_refsource_CONFIRM
http://www.postgresql.org/docs/current/static/rel…	x_refsource_CONFIRM
http://www.postgresql.org/about/news/1656/	x_refsource_CONFIRM
http://www.securitytracker.com/id/1035468	vdb-entryx_refsource_SECTRACK

Date Public

2016-03-31 00:00

Show details on NVD website

JSON

To clipboard

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Sightings

Author	Source	Type	Date	Other

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.
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.

Related by attack behaviour

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-2016-02163

CVE-2016-3065 (GCVE-0-2016-3065)

Tags

Sightings

Nomenclature

Related by attack behaviour