Description
SSL_Cipher.cpp in EncFS before 1.7.0 uses an improper combination of an AES cipher and a CBC cipher mode for encrypted filesystems, which allows local users to obtain sensitive information via a watermark attack.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 13 | encfs | 1.7.2-1 | — |
| Debian 12 | encfs | 1.7.2-1 | — |
References
- 41158 third-party-advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=630460
- 41478 third-party-advisory
- http://code.google.com/p/encfs/source/detail?r=59
- FEDORA-2010-14268 vendor-advisory
- FEDORA-2010-14200 vendor-advisory
- http://bugs.gentoo.org/show_bug.cgi?id=335938
- SUSE-SR:2010:023 vendor-advisory
- 20100826 Multiple Vulnerabilities in EncFS mailing-list
- [oss-security] 20100905 CVE Request -- EncFS / fuse-encfs [three ids] -- Multiple Vulnerabilities in EncFS mailing-list
- [oss-security] 20100907 Re: CVE Request -- EncFS / fuse-encfs [three ids] -- Multiple Vulnerabilities in EncFS mailing-list
- [oss-security] 20100905 Re: CVE Request -- EncFS / fuse-encfs [three ids] -- Multiple Vulnerabilities in EncFS mailing-list
- ADV-2010-2414 vdb-entry
- http://www.arg0.net/encfs
- FEDORA-2010-14254 vendor-advisory