Vulnerability-Lookup

CNVD-2017-10570

Vulnerability from cnvd - Published: 2017-06-21

Title

LightDM安全绕过漏洞

Description

LightDM是一套Linux桌面的桌面显示管理器。 LightDM存在安全绕过漏洞。攻击者可利用该漏洞绕过既定的安全限制并执行未授权的操作。

Severity

低

Patch Name

LightDM安全绕过漏洞的补丁

Patch Description

LightDM是一套Linux桌面的桌面显示管理器。 LightDM存在安全绕过漏洞。攻击者可利用该漏洞绕过既定的安全限制并执行未授权的操作。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

用户可参考如下厂商提供的安全补丁以修复该漏洞： https://bugs.launchpad.net/ubuntu/+source/lightdm/+bug/1663157

Reference

https://cxsecurity.com/cveshow/CVE-2017-8900/ http://www.securityfocus.com/bid/98554

Impacted products

Name
['Ubuntu Ubuntu Linux 16.10', 'Ubuntu Ubuntu Linux 17.04', 'freedesktop.org LightDM <=1.22.0']

Show details on source website

JSON

To clipboard

{
  "bids": {
    "bid": {
      "bidNumber": "98554"
    }
  },
  "cves": {
    "cve": {
      "cveNumber": "CVE-2017-8900",
      "cveUrl": "http://cve.mitre.org/cgi-bin/cvename.cgi?nameCVE-2017-8900"
    }
  },
  "description": "LightDM\u662f\u4e00\u5957Linux\u684c\u9762\u7684\u684c\u9762\u663e\u793a\u7ba1\u7406\u5668\u3002 \r\n\r\nLightDM\u5b58\u5728\u5b89\u5168\u7ed5\u8fc7\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u7ed5\u8fc7\u65e2\u5b9a\u7684\u5b89\u5168\u9650\u5236\u5e76\u6267\u884c\u672a\u6388\u6743\u7684\u64cd\u4f5c\u3002",
  "discovererName": "Tyler Hicks",
  "formalWay": "\u7528\u6237\u53ef\u53c2\u8003\u5982\u4e0b\u5382\u5546\u63d0\u4f9b\u7684\u5b89\u5168\u8865\u4e01\u4ee5\u4fee\u590d\u8be5\u6f0f\u6d1e\uff1a\r\nhttps://bugs.launchpad.net/ubuntu/+source/lightdm/+bug/1663157",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2017-10570",
  "openTime": "2017-06-21",
  "patchDescription": "LightDM\u662f\u4e00\u5957Linux\u684c\u9762\u7684\u684c\u9762\u663e\u793a\u7ba1\u7406\u5668\u3002 \r\n\r\nLightDM\u5b58\u5728\u5b89\u5168\u7ed5\u8fc7\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u7ed5\u8fc7\u65e2\u5b9a\u7684\u5b89\u5168\u9650\u5236\u5e76\u6267\u884c\u672a\u6388\u6743\u7684\u64cd\u4f5c\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\u5b89\u5168\u7ed5\u8fc7\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": [
      "Ubuntu Ubuntu Linux 16.10",
      "Ubuntu Ubuntu Linux 17.04",
      "freedesktop.org LightDM \u003c=1.22.0"
    ]
  },
  "referenceLink": "https://cxsecurity.com/cveshow/CVE-2017-8900/\r\nhttp://www.securityfocus.com/bid/98554",
  "serverity": "\u4f4e",
  "submitTime": "2017-05-24",
  "title": "LightDM\u5b89\u5168\u7ed5\u8fc7\u6f0f\u6d1e"
}

CVE-2017-8900 (GCVE-0-2017-8900)

Vulnerability from cvelistv5 – Published: 2017-05-12 06:54 – Updated: 2024-08-05 16:48

Summary

LightDM through 1.22.0, when systemd is used in Ubuntu 16.10 and 17.x, allows physically proximate attackers to bypass intended AppArmor restrictions and visit the home directories of arbitrary users by establishing a guest session.

Severity ?

No CVSS data available.

CWE

Assigner

mitre

References

URL

Tags

	http://www.securityfocus.com/bid/98554	vdb-entryx_refsource_BID
	https://www.ubuntu.com/usn/usn-3285-1/	x_refsource_CONFIRM
	https://people.canonical.com/~ubuntu-security/cve…	x_refsource_CONFIRM
	https://launchpad.net/bugs/1663157	x_refsource_CONFIRM

Show details on NVD website

JSON

To clipboard

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Sightings

Author	Source	Type	Date

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.

Detection rules are retrieved from Rulezet.

Action not permitted

CNVD-2017-10570

CVE-2017-8900 (GCVE-0-2017-8900)

Tags

Sightings

Nomenclature