CVE-2016-4484

MEDIUM

Cryptsetup < 2.1.7.3-2 - Authentication Bypass

Title source: rule

Description

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 (7)

[Exploit, Mitigation, Technical Description, Third Party Advisory] http://hmarco.org/bugs/CVE-2016-4484/CVE-2016-4484_cryptsetup_initrd_shell.html

[Mailing List, Third Party Advisory] http://www.openwall.com/lists/oss-security/2016/11/14/13

[Mailing List, Third Party Advisory] http://www.openwall.com/lists/oss-security/2016/11/15/1

[Mailing List, Third Party Advisory] http://www.openwall.com/lists/oss-security/2016/11/15/4

[Mailing List, Third Party Advisory] http://www.openwall.com/lists/oss-security/2016/11/16/6

[Third Party Advisory, VDB Entry] http://www.securityfocus.com/bid/94315

[Patch] https://gitlab.com/cryptsetup/cryptsetup/commit/ef8a7d82d8d3716ae9b58179590f7908981fa0cb

Scores

CVSS v3 6.8

EPSS 0.0046

EPSS Percentile 63.7%

Attack Vector PHYSICAL

CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Classification

CWE

CWE-287

Status draft

Affected Products (1)

cryptsetup_project/cryptsetup < 2.1.7.3-2

Timeline

Published Jan 23, 2017

Tracked Since Feb 18, 2026