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.
Weakness
When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Cryptsetup | Cryptsetup_project | * | 2.1.7.3-2 (including) |
| Cryptsetup | Ubuntu | artful | * |
| Cryptsetup | Ubuntu | cosmic | * |
| Cryptsetup | Ubuntu | disco | * |
| Cryptsetup | Ubuntu | eoan | * |
| Cryptsetup | Ubuntu | esm-infra-legacy/trusty | * |
| Cryptsetup | Ubuntu | esm-infra/xenial | * |
| Cryptsetup | Ubuntu | precise | * |
| Cryptsetup | Ubuntu | precise/esm | * |
| Cryptsetup | Ubuntu | trusty | * |
| Cryptsetup | Ubuntu | trusty/esm | * |
| Cryptsetup | Ubuntu | upstream | * |
| Cryptsetup | Ubuntu | vivid/stable-phone-overlay | * |
| Cryptsetup | Ubuntu | vivid/ubuntu-core | * |
| Cryptsetup | Ubuntu | xenial | * |
| Cryptsetup | Ubuntu | yakkety | * |
| Cryptsetup | Ubuntu | zesty | * |
Potential Mitigations
Related Attack Patterns
- https://cwe.mitre.org/data/definitions/114.html
- https://cwe.mitre.org/data/definitions/115.html
- https://cwe.mitre.org/data/definitions/151.html
- https://cwe.mitre.org/data/definitions/194.html
- https://cwe.mitre.org/data/definitions/22.html
- https://cwe.mitre.org/data/definitions/57.html
- https://cwe.mitre.org/data/definitions/593.html
- https://cwe.mitre.org/data/definitions/633.html
- https://cwe.mitre.org/data/definitions/650.html
- https://cwe.mitre.org/data/definitions/94.html
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
- 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