cnvd - cnvd-2016-11242

cnvd-2016-11242

Vulnerability from cnvd

Title: Cryptsetup Initrd LUKS root Shell权限提升漏洞

Description:

cryptsetup 是一个实现了 LUKS (Linux Unified Key Setup) 规范的工具。LUKS 是 Linux 硬盘加密的规范。

Cryptsetup存在本地权限提升漏洞，攻击者可通过持续按下Enter键70秒来获得root initramfs shell，进而破坏Linux boxes。攻击者利用漏洞可物理访问系统，获得根特权，进而可获取敏感信息或引起拒绝服务攻击。

Severity: 高

Formal description:

厂商尚未提供漏洞修补方案，请关注厂商主页及时更新： https://gitlab.com/cryptsetup/cryptsetup

Reference: http://www.securityfocus.com/bid/94315

Impacted products

Name
Cryptsetup Cryptsetup

Show details on source website

JSON

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{
  "bids": {
    "bid": {
      "bidNumber": "94315"
    }
  },
  "cves": {
    "cve": {
      "cveNumber": "CVE-2016-4484"
    }
  },
  "description": "cryptsetup \u662f\u4e00\u4e2a\u5b9e\u73b0\u4e86 LUKS (Linux Unified Key Setup) \u89c4\u8303\u7684\u5de5\u5177\u3002LUKS \u662f Linux \u786c\u76d8\u52a0\u5bc6\u7684\u89c4\u8303\u3002\r\n\r\nCryptsetup\u5b58\u5728\u672c\u5730\u6743\u9650\u63d0\u5347\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u6301\u7eed\u6309\u4e0bEnter\u952e70\u79d2\u6765\u83b7\u5f97root initramfs shell\uff0c\u8fdb\u800c\u7834\u574fLinux boxes\u3002\u653b\u51fb\u8005\u5229\u7528\u6f0f\u6d1e\u53ef\u7269\u7406\u8bbf\u95ee\u7cfb\u7edf\uff0c\u83b7\u5f97\u6839\u7279\u6743\uff0c\u8fdb\u800c\u53ef\u83b7\u53d6\u654f\u611f\u4fe1\u606f\u6216\u5f15\u8d77\u62d2\u7edd\u670d\u52a1\u653b\u51fb\u3002",
  "discovererName": "Hector Marco \u0026 Ismael Ripoll of Cybersecurity Group",
  "formalWay": "\u5382\u5546\u5c1a\u672a\u63d0\u4f9b\u6f0f\u6d1e\u4fee\u8865\u65b9\u6848\uff0c\u8bf7\u5173\u6ce8\u5382\u5546\u4e3b\u9875\u53ca\u65f6\u66f4\u65b0\uff1a \r\nhttps://gitlab.com/cryptsetup/cryptsetup",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2016-11242",
  "openTime": "2016-11-17",
  "products": {
    "product": "Cryptsetup Cryptsetup"
  },
  "referenceLink": "http://www.securityfocus.com/bid/94315",
  "serverity": "\u9ad8",
  "submitTime": "2016-11-17",
  "title": "Cryptsetup Initrd LUKS root Shell\u6743\u9650\u63d0\u5347\u6f0f\u6d1e"
}

CVE-2016-4484 (GCVE-0-2016-4484)

Vulnerability from cvelistv5

Published

2017-01-23 21:00

Modified

2024-08-06 00:32

Severity ?

CWE

Summary

The Debian initrd script for the cryptsetup package 2:1.7.3-2 and earlier allows physically proximate attackers to gain shell access via many log in attempts with an invalid password.

References

▼	URL	Tags
	http://www.openwall.com/lists/oss-security/2016/11/14/13	mailing-list, x_refsource_MLIST
	http://hmarco.org/bugs/CVE-2016-4484/CVE-2016-4484_cryptsetup_initrd_shell.html	x_refsource_MISC
	http://www.openwall.com/lists/oss-security/2016/11/15/1	mailing-list, x_refsource_MLIST
	http://www.openwall.com/lists/oss-security/2016/11/15/4	mailing-list, x_refsource_MLIST
	http://www.securityfocus.com/bid/94315	vdb-entry, x_refsource_BID
	https://gitlab.com/cryptsetup/cryptsetup/commit/ef8a7d82d8d3716ae9b58179590f7908981fa0cb	x_refsource_MISC
	http://www.openwall.com/lists/oss-security/2016/11/16/6	mailing-list, x_refsource_MLIST

Impacted products

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

Show details on NVD website

JSON

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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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