Vulnerability-Lookup

CNVD-2019-09043

Vulnerability from cnvd - Published: 2019-04-01

Title

Phusion Passenger nginx模块权限提升漏洞

Description

Phusion Passenger是荷兰Phusion公司的一个用于在Apache和Nginx网页服务器上部署Ruby on Rails项目的Apache模块。nginx module是其中的一个Nginx服务器模块。 Phusion Passenger 5.3.2版本至3.x版本（不包含5.3.2版本）中的nginx模块存在安全漏洞，该漏洞源于程序未能为所配置的非标准passenger_instance_registry_dir分配严格的权限。本地攻击者可通过在文件创建之后，用符号链接替换该文件利用该漏洞提升权限。

Severity

中

Patch Name

Phusion Passenger nginx模块权限提升漏洞的补丁

Patch Description

Formal description

目前厂商已发布升级补丁以修复漏洞，补丁获取链接： https://blog.phusion.nl/2018/06/12/passenger-5-3-2-various-security-fixes/

Reference

https://blog.phusion.nl/passenger-5-3-2

Impacted products

Name
Phusion Passenger 5.3.*;<5.3.2

Show details on source website

JSON

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2018-12029",
      "cveUrl": "http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-12029"
    }
  },
  "description": "Phusion Passenger\u662f\u8377\u5170Phusion\u516c\u53f8\u7684\u4e00\u4e2a\u7528\u4e8e\u5728Apache\u548cNginx\u7f51\u9875\u670d\u52a1\u5668\u4e0a\u90e8\u7f72Ruby on Rails\u9879\u76ee\u7684Apache\u6a21\u5757\u3002nginx module\u662f\u5176\u4e2d\u7684\u4e00\u4e2aNginx\u670d\u52a1\u5668\u6a21\u5757\u3002\n\nPhusion Passenger 5.3.2\u7248\u672c\u81f33.x\u7248\u672c\uff08\u4e0d\u5305\u542b5.3.2\u7248\u672c\uff09\u4e2d\u7684nginx\u6a21\u5757\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7a0b\u5e8f\u672a\u80fd\u4e3a\u6240\u914d\u7f6e\u7684\u975e\u6807\u51c6passenger_instance_registry_dir\u5206\u914d\u4e25\u683c\u7684\u6743\u9650\u3002\u672c\u5730\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u5728\u6587\u4ef6\u521b\u5efa\u4e4b\u540e\uff0c\u7528\u7b26\u53f7\u94fe\u63a5\u66ff\u6362\u8be5\u6587\u4ef6\u5229\u7528\u8be5\u6f0f\u6d1e\u63d0\u5347\u6743\u9650\u3002",
  "discovererName": "unknwon",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u53d1\u5e03\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u6f0f\u6d1e\uff0c\u8865\u4e01\u83b7\u53d6\u94fe\u63a5\uff1a\r\nhttps://blog.phusion.nl/2018/06/12/passenger-5-3-2-various-security-fixes/",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2019-09043",
  "openTime": "2019-04-01",
  "patchDescription": "Phusion Passenger\u662f\u8377\u5170Phusion\u516c\u53f8\u7684\u4e00\u4e2a\u7528\u4e8e\u5728Apache\u548cNginx\u7f51\u9875\u670d\u52a1\u5668\u4e0a\u90e8\u7f72Ruby on Rails\u9879\u76ee\u7684Apache\u6a21\u5757\u3002nginx module\u662f\u5176\u4e2d\u7684\u4e00\u4e2aNginx\u670d\u52a1\u5668\u6a21\u5757\u3002\r\n\r\nPhusion Passenger 5.3.2\u7248\u672c\u81f33.x\u7248\u672c\uff08\u4e0d\u5305\u542b5.3.2\u7248\u672c\uff09\u4e2d\u7684nginx\u6a21\u5757\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7a0b\u5e8f\u672a\u80fd\u4e3a\u6240\u914d\u7f6e\u7684\u975e\u6807\u51c6passenger_instance_registry_dir\u5206\u914d\u4e25\u683c\u7684\u6743\u9650\u3002\u672c\u5730\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u5728\u6587\u4ef6\u521b\u5efa\u4e4b\u540e\uff0c\u7528\u7b26\u53f7\u94fe\u63a5\u66ff\u6362\u8be5\u6587\u4ef6\u5229\u7528\u8be5\u6f0f\u6d1e\u63d0\u5347\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": "Phusion Passenger nginx\u6a21\u5757\u6743\u9650\u63d0\u5347\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Phusion Passenger 5.3.*;\u003c5.3.2"
  },
  "referenceLink": "https://blog.phusion.nl/passenger-5-3-2",
  "serverity": "\u4e2d",
  "submitTime": "2018-07-03",
  "title": "Phusion Passenger nginx\u6a21\u5757\u6743\u9650\u63d0\u5347\u6f0f\u6d1e"
}

CVE-2018-12029 (GCVE-0-2018-12029)

Vulnerability from cvelistv5 – Published: 2018-06-17 20:00 – Updated: 2024-08-05 08:24

Summary

A race condition in the nginx module in Phusion Passenger 3.x through 5.x before 5.3.2 allows local escalation of privileges when a non-standard passenger_instance_registry_dir with insufficiently strict permissions is configured. Replacing a file with a symlink after the file was created, but before it was chowned, leads to the target of the link being chowned via the path. Targeting sensitive files such as root's crontab file allows privilege escalation.

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root Scorecard

References

4 references

URL	Tags
https://blog.phusion.nl/passenger-5-3-2	x_refsource_MISC
https://security.gentoo.org/glsa/201807-02	vendor-advisoryx_refsource_GENTOO
https://pulsesecurity.co.nz/advisories/phusion-pa…	x_refsource_MISC
https://lists.debian.org/debian-lts-announce/2018…	mailing-listx_refsource_MLIST

Date Public

2018-06-17 00:00

Show details on NVD website

JSON

To clipboard

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            "url": "https://blog.phusion.nl/passenger-5-3-2"
          },
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            "tags": [
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            "url": "https://security.gentoo.org/glsa/201807-02"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://pulsesecurity.co.nz/advisories/phusion-passenger-priv-esc"
          },
          {
            "name": "[debian-lts-announce] 20180627 [SECURITY] [DLA 1399-1] ruby-passenger security update",
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              "mailing-list",
              "x_refsource_MLIST",
              "x_transferred"
            ],
            "url": "https://lists.debian.org/debian-lts-announce/2018/06/msg00007.html"
          }
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    "cna": {
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        }
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      "providerMetadata": {
        "dateUpdated": "2018-10-21T09:57:02.000Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
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        },
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          ],
          "url": "https://pulsesecurity.co.nz/advisories/phusion-passenger-priv-esc"
        },
        {
          "name": "[debian-lts-announce] 20180627 [SECURITY] [DLA 1399-1] ruby-passenger security update",
          "tags": [
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          ],
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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.

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Action not permitted

CNVD-2019-09043

CVE-2018-12029 (GCVE-0-2018-12029)

Tags

Sightings

Nomenclature

Related by attack behaviour