Bug 1193091 (CVE-2014-9687) - CVE-2014-9687 ecryptfs-utils: default salt is used for wrapping passphrase
Summary: CVE-2014-9687 ecryptfs-utils: default salt is used for wrapping passphrase
Keywords:
Status: CLOSED WONTFIX
Alias: CVE-2014-9687
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
low
low
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 1193092
Blocks: 1193093
TreeView+ depends on / blocked
 
Reported: 2015-02-16 14:48 UTC by Vasyl Kaigorodov
Modified: 2019-09-29 13:28 UTC (History)
2 users (show)

Fixed In Version:
Doc Type: Bug Fix
Doc Text:
Clone Of:
Environment:
Last Closed: 2015-03-03 05:16:27 UTC
Embargoed:


Attachments (Terms of Use)

Description Vasyl Kaigorodov 2015-02-16 14:48:23 UTC
It was reported [1] that by default, if no salt=/passphrase_salt= stanza supplied, standard eCryptfs configuration set up by ecryptfs-setup-private has a security implication: all installations end up wrapping (encrypting) the mount passphrase with the user login password and the default salt value (0x0011223344556677).
This simplifies bruteforcing of an actual encryption key.
No patch is available at this time.

[1]: https://bugs.launchpad.net/ecryptfs/+bug/906550

Comment 1 Vasyl Kaigorodov 2015-02-16 14:48:41 UTC
Created ecryptfs-utils tracking bugs for this issue:

Affects: fedora-all [bug 1193092]

Comment 2 Martin Prpič 2015-03-02 11:09:23 UTC
CVE assignment:

http://seclists.org/oss-sec/2015/q1/706


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