Vulnerability-Lookup

CNVD-2017-05229

Vulnerability from cnvd - Published: 2017-04-24

Title

LightDM目录遍历漏洞

Description

LightDM是一套Linux桌面的桌面显示管理器。 LightDM 1.22.0及之前的版本中的debian/guest-account.sh文件存在目录遍历漏洞。本地攻击者可利用该漏洞获取任意目录路径的位置，并将权限提升至root权限。

Severity

中

Patch Name

LightDM目录遍历漏洞的补丁

Patch Description

LightDM是一套Linux桌面的桌面显示管理器。 LightDM 1.22.0及之前的版本中的debian/guest-account.sh文件存在目录遍历漏洞。本地攻击者可利用该漏洞获取任意目录路径的位置，并将权限提升至root权限。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://bazaar.launchpad.net/~lightdm-team/lightdm/trunk/revision/2478

Reference

https://www.ubuntu.com/usn/usn-3255-1/ http://www.securityfocus.com/bid/97486

Impacted products

Name
freedesktop.org LightDM 1.22.0

Show details on source website

JSON

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{
  "bids": {
    "bid": {
      "bidNumber": "97486"
    }
  },
  "cves": {
    "cve": {
      "cveNumber": "CVE-2017-7358",
      "cveUrl": "http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7358"
    }
  },
  "description": "LightDM\u662f\u4e00\u5957Linux\u684c\u9762\u7684\u684c\u9762\u663e\u793a\u7ba1\u7406\u5668\u3002 \r\n\r\nLightDM 1.22.0\u53ca\u4e4b\u524d\u7684\u7248\u672c\u4e2d\u7684debian/guest-account.sh\u6587\u4ef6\u5b58\u5728\u76ee\u5f55\u904d\u5386\u6f0f\u6d1e\u3002\u672c\u5730\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u83b7\u53d6\u4efb\u610f\u76ee\u5f55\u8def\u5f84\u7684\u4f4d\u7f6e\uff0c\u5e76\u5c06\u6743\u9650\u63d0\u5347\u81f3root\u6743\u9650\u3002",
  "discovererName": "Tyler Hicks",
  "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:\r\nhttp://bazaar.launchpad.net/~lightdm-team/lightdm/trunk/revision/2478",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2017-05229",
  "openTime": "2017-04-24",
  "patchDescription": "LightDM\u662f\u4e00\u5957Linux\u684c\u9762\u7684\u684c\u9762\u663e\u793a\u7ba1\u7406\u5668\u3002 \r\n\r\nLightDM 1.22.0\u53ca\u4e4b\u524d\u7684\u7248\u672c\u4e2d\u7684debian/guest-account.sh\u6587\u4ef6\u5b58\u5728\u76ee\u5f55\u904d\u5386\u6f0f\u6d1e\u3002\u672c\u5730\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u83b7\u53d6\u4efb\u610f\u76ee\u5f55\u8def\u5f84\u7684\u4f4d\u7f6e\uff0c\u5e76\u5c06\u6743\u9650\u63d0\u5347\u81f3root\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": "LightDM\u76ee\u5f55\u904d\u5386\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "freedesktop.org LightDM 1.22.0"
  },
  "referenceLink": "https://www.ubuntu.com/usn/usn-3255-1/\r\nhttp://www.securityfocus.com/bid/97486",
  "serverity": "\u4e2d",
  "submitTime": "2017-04-06",
  "title": "LightDM\u76ee\u5f55\u904d\u5386\u6f0f\u6d1e"
}

CVE-2017-7358 (GCVE-0-2017-7358)

Vulnerability from cvelistv5 – Published: 2017-04-05 06:23 – Updated: 2024-08-05 15:56

Summary

In LightDM through 1.22.0, a directory traversal issue in debian/guest-account.sh allows local attackers to own arbitrary directory path locations and escalate privileges to root when the guest user logs out.

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

6 references

URL	Tags
https://launchpad.net/bugs/1677924	x_refsource_CONFIRM
https://lists.freedesktop.org/archives/lightdm/20…	x_refsource_CONFIRM
http://bazaar.launchpad.net/~lightdm-team/lightdm…	x_refsource_CONFIRM
https://www.exploit-db.com/exploits/41923/	exploitx_refsource_EXPLOIT-DB
https://www.ubuntu.com/usn/usn-3255-1/	x_refsource_CONFIRM
http://www.securityfocus.com/bid/97486	vdb-entryx_refsource_BID

Date Public

2017-04-05 00:00

Show details on NVD website

JSON

To clipboard

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            "url": "https://lists.freedesktop.org/archives/lightdm/2017-April/001059.html"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "http://bazaar.launchpad.net/~lightdm-team/lightdm/trunk/revision/2478"
          },
          {
            "name": "41923",
            "tags": [
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            "url": "http://www.securityfocus.com/bid/97486"
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    "cna": {
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        "dateUpdated": "2017-08-15T09:57:01.000Z",
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          "url": "https://lists.freedesktop.org/archives/lightdm/2017-April/001059.html"
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          "url": "http://bazaar.launchpad.net/~lightdm-team/lightdm/trunk/revision/2478"
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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.
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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.
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Action not permitted

CNVD-2017-05229

CVE-2017-7358 (GCVE-0-2017-7358)

Tags

Sightings

Nomenclature

Related by attack behaviour