Vulnerability-Lookup

CNVD-2018-05467

Vulnerability from cnvd - Published: 2018-03-16

Title

snapd安全绕过漏洞

Description

snapd是一款使用在Linux中的用于创建应用程序快照的工具。 snapd 2.27版本至2.29.2版本中存在安全漏洞，该漏洞源于在未能匹配参数的情况下程序创建snap logs命令来调用journalctl。攻击者可利用该漏洞绕过systemd-journald访问限制。

Severity

中

Patch Name

snapd安全绕过漏洞的补丁

Patch Description

snapd是一款使用在Linux中的用于创建应用程序快照的工具。 snapd 2.27版本至2.29.2版本中存在安全漏洞，该漏洞源于在未能匹配参数的情况下程序创建snap logs命令来调用journalctl。攻击者可利用该漏洞绕过systemd-journald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

目前厂商已发布升级补丁以修复漏洞，补丁获取链接： https://github.com/snapcore/snapd/pull/4194

Reference

https://github.com/snapcore/snapd/pull/4194

Impacted products

Name
snapd snapd >=2.27，<=2.29.2

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2017-14178",
      "cveUrl": "http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-14178"
    }
  },
  "description": "snapd\u662f\u4e00\u6b3e\u4f7f\u7528\u5728Linux\u4e2d\u7684\u7528\u4e8e\u521b\u5efa\u5e94\u7528\u7a0b\u5e8f\u5feb\u7167\u7684\u5de5\u5177\u3002\r\n\r\nsnapd 2.27\u7248\u672c\u81f32.29.2\u7248\u672c\u4e2d\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u5728\u672a\u80fd\u5339\u914d\u53c2\u6570\u7684\u60c5\u51b5\u4e0b\u7a0b\u5e8f\u521b\u5efasnap logs\u547d\u4ee4\u6765\u8c03\u7528journalctl\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u7ed5\u8fc7systemd-journald\u8bbf\u95ee\u9650\u5236\u3002",
  "discovererName": "John Lenton",
  "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://github.com/snapcore/snapd/pull/4194",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2018-05467",
  "openTime": "2018-03-16",
  "patchDescription": "snapd\u662f\u4e00\u6b3e\u4f7f\u7528\u5728Linux\u4e2d\u7684\u7528\u4e8e\u521b\u5efa\u5e94\u7528\u7a0b\u5e8f\u5feb\u7167\u7684\u5de5\u5177\u3002\r\n\r\nsnapd 2.27\u7248\u672c\u81f32.29.2\u7248\u672c\u4e2d\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u5728\u672a\u80fd\u5339\u914d\u53c2\u6570\u7684\u60c5\u51b5\u4e0b\u7a0b\u5e8f\u521b\u5efasnap logs\u547d\u4ee4\u6765\u8c03\u7528journalctl\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u7ed5\u8fc7systemd-journald\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": "snapd\u5b89\u5168\u7ed5\u8fc7\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "snapd snapd \u003e=2.27\uff0c\u003c=2.29.2"
  },
  "referenceLink": "https://github.com/snapcore/snapd/pull/4194",
  "serverity": "\u4e2d",
  "submitTime": "2018-02-07",
  "title": "snapd\u5b89\u5168\u7ed5\u8fc7\u6f0f\u6d1e"
}

CVE-2017-14178 (GCVE-0-2017-14178)

Vulnerability from cvelistv5 – Published: 2018-02-02 14:00 – Updated: 2024-09-16 19:21

Summary

In snapd 2.27 through 2.29.2 the 'snap logs' command could be made to call journalctl without match arguments and therefore allow unprivileged, unauthenticated users to bypass systemd-journald's access restrictions.

Severity

No CVSS data available.

CWE

Information leak

Assigner

canonical mitre root Scorecard

References

3 references

URL	Tags
https://people.canonical.com/~ubuntu-security/cve…	x_refsource_CONFIRM
https://launchpad.net/bugs/1730255	x_refsource_CONFIRM
https://github.com/snapcore/snapd/pull/4194	x_refsource_CONFIRM

Impacted products

1 product

Vendor	Product	Version
n/a	snapd	Affected: 2.27 through 2.29.2

Date Public

2017-11-09 00:00

Credits

Robert Ancell

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-05T19:20:40.936Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
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        "references": [
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://people.canonical.com/~ubuntu-security/cve/2017/CVE-2017-14178.html"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://launchpad.net/bugs/1730255"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://github.com/snapcore/snapd/pull/4194"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "snapd",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "2.27 through 2.29.2"
            }
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        }
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      "credits": [
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          "value": "Robert Ancell"
        }
      ],
      "datePublic": "2017-11-09T00:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "In snapd 2.27 through 2.29.2 the \u0027snap logs\u0027 command could be made to call journalctl without match arguments and therefore allow unprivileged, unauthenticated users to bypass systemd-journald\u0027s access restrictions."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
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              "description": "Information leak",
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              "type": "text"
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        "dateUpdated": "2018-02-02T13:57:01.000Z",
        "orgId": "cc1ad9ee-3454-478d-9317-d3e869d708bc",
        "shortName": "canonical"
      },
      "references": [
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://people.canonical.com/~ubuntu-security/cve/2017/CVE-2017-14178.html"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://launchpad.net/bugs/1730255"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://github.com/snapcore/snapd/pull/4194"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "security@ubuntu.com",
          "DATE_PUBLIC": "2017-11-09T00:00:00.000Z",
          "ID": "CVE-2017-14178",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "snapd",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "2.27 through 2.29.2"
                          }
                        ]
                      }
                    }
                  ]
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                "vendor_name": "n/a"
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            ]
          }
        },
        "credit": [
          "Robert Ancell"
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            }
          ]
        },
        "problemtype": {
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              "url": "https://launchpad.net/bugs/1730255"
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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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CNVD-2018-05467

CVE-2017-14178 (GCVE-0-2017-14178)

Tags

Sightings

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Related by attack behaviour