CVE-2016-4484

MEDIUM 6.8CVE-2016-4484 · Published 23/01/2017 · updated 17/06/2026

In short

CVE-2016-4484 is a MEDIUM (CVSS 6.8) vulnerability affecting cryptsetup (cryptsetup project).
Chance of exploitation in the next 30 days (EPSS): 0.71%, higher than 53.7% of all vulnerabilities.
No patched version is listed yet: follow the vendor's advisory in References.

Package	Affected versions	Patched versions
cryptsetup cryptsetup_project	`≤ 2.1.7.3-2`	No fix yet

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

hmarco.org/bugs/CVE-2016-4484/CVE-2016-4484_cryptsetup_initrd_shell.html · Exploit
openwall.com/lists/oss-security/2016/11/14/13 · Mailing List
openwall.com/lists/oss-security/2016/11/15/1 · Mailing List
openwall.com/lists/oss-security/2016/11/15/4 · Mailing List
openwall.com/lists/oss-security/2016/11/16/6 · Mailing List
securityfocus.com/bid/94315
gitlab.com/cryptsetup/cryptsetup/commit/ef8a7d82d8d3716ae9b58179590f7908981fa0cb · Patch

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