cnvd - cnvd-2017-05229

cnvd-2017-05229

Vulnerability from cnvd

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

To clipboard

{
  "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

Modified

2024-08-05 15:56

Severity ?

CWE

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.

References

▼	URL	Tags
	https://launchpad.net/bugs/1677924	x_refsource_CONFIRM
	https://lists.freedesktop.org/archives/lightdm/2017-April/001059.html	x_refsource_CONFIRM
	http://bazaar.launchpad.net/~lightdm-team/lightdm/trunk/revision/2478	x_refsource_CONFIRM
	https://www.exploit-db.com/exploits/41923/	exploit, x_refsource_EXPLOIT-DB
	https://www.ubuntu.com/usn/usn-3255-1/	x_refsource_CONFIRM
	http://www.securityfocus.com/bid/97486	vdb-entry, x_refsource_BID

Impacted products

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

Show details on NVD website

JSON

To clipboard

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            ],
            "url": "http://bazaar.launchpad.net/~lightdm-team/lightdm/trunk/revision/2478"
          },
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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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