Vulnerability CVE-2016-4484
Published: 2017-01-23   Modified: 2017-01-24

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.

See advisories in our WLB2 database:
Topic
Author
Date
High
Cryptsetup 2:1.7.3-2 Root Initramfs Shell
Hector
16.11.2016

CVSS2 => (AV:L/AC:L/Au:N/C:C/I:C/A:C)

CVSS Base Score
Impact Subscore
Exploitability Subscore
7.2/10
10/10
3.9/10
Exploit range
Attack complexity
Authentication
Local
Low
No required
Confidentiality impact
Integrity impact
Availability impact
Complete
Complete
Complete
Affected software
Cryptsetup project -> Cryptsetup 

 References:
http://hmarco.org/bugs/CVE-2016-4484/CVE-2016-4484_cryptsetup_initrd_shell.html
http://www.openwall.com/lists/oss-security/2016/11/14/13
http://www.openwall.com/lists/oss-security/2016/11/15/1
http://www.openwall.com/lists/oss-security/2016/11/15/4
http://www.openwall.com/lists/oss-security/2016/11/16/6
http://www.securityfocus.com/bid/94315
https://gitlab.com/cryptsetup/cryptsetup/commit/ef8a7d82d8d3716ae9b58179590f7908981fa0cb
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