Improper Authentication Affecting cryptsetup package, versions *
Snyk CVSS
Attack Complexity
Low
Confidentiality
High
Integrity
High
Availability
High
Threat Intelligence
EPSS
0.11% (43rd
percentile)
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Test your applications- Snyk ID SNYK-UBUNTU1604-CRYPTSETUP-310725
- published 23 Jan 2017
- disclosed 23 Jan 2017
Introduced: 23 Jan 2017
CVE-2016-4484 Open this link in a new tabHow to fix?
There is no fixed version for Ubuntu:16.04 cryptsetup.
NVD Description
Note: Versions mentioned in the description apply only to the upstream cryptsetup package and not the cryptsetup package as distributed by Ubuntu.
See How to fix? for Ubuntu:16.04 relevant fixed versions and status.
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
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2016-4484
- https://security-tracker.debian.org/tracker/CVE-2016-4484
- http://hmarco.org/bugs/CVE-2016-4484/CVE-2016-4484_cryptsetup_initrd_shell.html
- https://gitlab.com/cryptsetup/cryptsetup/commit/ef8a7d82d8d3716ae9b58179590f7908981fa0cb
- 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