cnvd - cnvd-2018-04342

cnvd-2018-04342

Vulnerability from cnvd

Title: GNU glibc本地权限提升漏洞

Description:

GNU glibc（又名GNU C Library，libc6）是一种按照LGPL许可协议发布的开源免费的C语言编译程序。

GNU glibc中存在本地权限提升漏洞。本地攻击者可利用该漏洞获取提升的权限。

Severity: 高

Formal description:

目前厂商暂未发布修复措施解决此安全问题，建议使用此软件的用户随时关注厂商主页或参考网址以获取解决办法： https://www.gnu.org/software/libc/

Reference: https://www.exploit-db.com/exploits/43775/

Impacted products

Name
GNU glibc <2.26

Show details on source website

JSON

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2018-1000001"
    }
  },
  "description": "GNU glibc\uff08\u53c8\u540dGNU C Library\uff0clibc6\uff09\u662f\u4e00\u79cd\u6309\u7167LGPL\u8bb8\u53ef\u534f\u8bae\u53d1\u5e03\u7684\u5f00\u6e90\u514d\u8d39\u7684C\u8bed\u8a00\u7f16\u8bd1\u7a0b\u5e8f\u3002\r\n\r\nGNU glibc\u4e2d\u5b58\u5728\u672c\u5730\u6743\u9650\u63d0\u5347\u6f0f\u6d1e\u3002\u672c\u5730\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u83b7\u53d6\u63d0\u5347\u7684\u6743\u9650\u3002",
  "discovererName": "halfdog",
  "formalWay": "\u76ee\u524d\u5382\u5546\u6682\u672a\u53d1\u5e03\u4fee\u590d\u63aa\u65bd\u89e3\u51b3\u6b64\u5b89\u5168\u95ee\u9898\uff0c\u5efa\u8bae\u4f7f\u7528\u6b64\u8f6f\u4ef6\u7684\u7528\u6237\u968f\u65f6\u5173\u6ce8\u5382\u5546\u4e3b\u9875\u6216\u53c2\u8003\u7f51\u5740\u4ee5\u83b7\u53d6\u89e3\u51b3\u529e\u6cd5\uff1a\r\nhttps://www.gnu.org/software/libc/",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2018-04342",
  "openTime": "2018-03-06",
  "products": {
    "product": "GNU glibc \u003c2.26"
  },
  "referenceLink": "https://www.exploit-db.com/exploits/43775/",
  "serverity": "\u9ad8",
  "submitTime": "2018-01-17",
  "title": "GNU glibc\u672c\u5730\u6743\u9650\u63d0\u5347\u6f0f\u6d1e"
}

CVE-2018-1000001 (GCVE-0-2018-1000001)

Vulnerability from cvelistv5

Published

2018-01-31 14:00

Modified

2024-08-05 12:33

Severity ?

CWE

Summary

In glibc 2.26 and earlier there is confusion in the usage of getcwd() by realpath() which can be used to write before the destination buffer leading to a buffer underflow and potential code execution.

References

▼	URL	Tags
	http://seclists.org/oss-sec/2018/q1/38	mailing-list, x_refsource_MLIST
	https://usn.ubuntu.com/3534-1/	vendor-advisory, x_refsource_UBUNTU
	https://www.halfdog.net/Security/2017/LibcRealpathBufferUnderflow/	x_refsource_MISC
	http://www.securityfocus.com/bid/102525	vdb-entry, x_refsource_BID
	https://www.exploit-db.com/exploits/44889/	exploit, x_refsource_EXPLOIT-DB
	https://www.exploit-db.com/exploits/43775/	exploit, x_refsource_EXPLOIT-DB
	https://usn.ubuntu.com/3536-1/	vendor-advisory, x_refsource_UBUNTU
	https://access.redhat.com/errata/RHSA-2018:0805	vendor-advisory, x_refsource_REDHAT
	http://www.securitytracker.com/id/1040162	vdb-entry, x_refsource_SECTRACK
	https://security.netapp.com/advisory/ntap-20190404-0003/	x_refsource_CONFIRM

Impacted products

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

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 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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