eCryptfs 104 and earlier uses a default salt to encrypt the mount passphrase, which makes it easier for attackers to obtain user passwords via a brute force attack.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Ecryptfs-utils | Ecryptfs | * | 104 (including) |
| Ecryptfs-utils | Ubuntu | devel | * |
| Ecryptfs-utils | Ubuntu | esm-infra-legacy/trusty | * |
| Ecryptfs-utils | Ubuntu | lucid | * |
| Ecryptfs-utils | Ubuntu | precise | * |
| Ecryptfs-utils | Ubuntu | trusty | * |
| Ecryptfs-utils | Ubuntu | trusty/esm | * |
| Ecryptfs-utils | Ubuntu | upstream | * |
| Ecryptfs-utils | Ubuntu | utopic | * |
References
- http://lists.opensuse.org/opensuse-updates/2016-01/msg00118.html
- http://www.openwall.com/lists/oss-security/2015/02/10/16
- http://www.openwall.com/lists/oss-security/2015/02/17/7
- http://www.openwall.com/lists/oss-security/2015/02/28/3
- http://www.ubuntu.com/usn/USN-2524-1
- https://bugs.launchpad.net/ecryptfs/+bug/906550
- http://lists.opensuse.org/opensuse-updates/2016-01/msg00118.html
- http://www.openwall.com/lists/oss-security/2015/02/10/16
- http://www.openwall.com/lists/oss-security/2015/02/17/7
- http://www.openwall.com/lists/oss-security/2015/02/28/3
- http://www.ubuntu.com/usn/USN-2524-1
- https://bugs.launchpad.net/ecryptfs/+bug/906550