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These updated ecryptfs-utils packages have been upgraded to upstream
version 75, which provides a number of bug fixes and enhancements over
the previous version. In addition, these packages provide a graphical
program to help configure and use eCryptfs. To start this program, run
the command :
Important: the syntax of certain eCryptfs mount options has changed.
Users who were previously using the initial Technology Preview release
of ecryptfs-utils are advised to refer to the ecryptfs(7) man page,
and to update any affected mount scripts and /etc/fstab entries for
eCryptfs file systems.
A disclosure flaw was found in the way the 'ecryptfs-setup-private'
script passed passphrases to the 'ecryptfs-wrap-passphrase' and
'ecryptfs-add-passphrase' commands as command line arguments. A local
user could obtain the passphrases of other users who were running the
script from the process listing. (CVE-2008-5188)
These updated packages provide various enhancements, including a mount
helper and supporting libraries to perform key management and mounting
Notable enhancements include :
- a new package, ecryptfs-utils-gui, has been added to
this update. This package depends on the pygtk2 and
pygtk2-libglade packages and provides the eCryptfs Mount
Helper GUI program. To install the GUI, first install
ecryptfs-utils and then issue the following command :
yum install ecryptfs-utils-gui
- the 'ecryptfs-rewrite-file' utility is now more
intelligent when dealing with non-existent files and
with filtering special files such as the '.' directory.
In addition, the progress output from
'ecryptfs-rewrite-file' has been improved and is now
more explicit about the success status of each target.
- descriptions of the 'verbose' flag and the
'verbosity=[x]' option, where [x] is either 0 or 1, were
missing from a number of eCryptfs manual pages, and have
been added. Refer to the eCryptfs man pages for
important information regarding using the verbose and/or
verbosity options. (BZ#470444)
These updated packages also fix the following bugs :
- mounting a directory using the eCryptfs mount helper
with an RSA key that was too small did not allow the
eCryptfs mount helper to encrypt the entire key. When
this situation occurred, the mount helper did not
display an error message alerting the user to the fact
that the key size was too small, possibly leading to
corrupted files. The eCryptfs mount helper now refuses
RSA keys which are to small to encrypt the eCryptfs key.
- when standard input was redirected from /dev/null or was
unavailable, attempting to mount a directory with the
eCryptfs mount helper caused it to become unresponsive
and eventually crash, or an 'invalid value' error
message, depending on if the '--verbosity=[value]'
option was provided as an argument, and, if so, its
value. With these updated packages, attempting to mount
a directory using 'mount.ecryptfs' under the same
conditions results in either the mount helper attempting
to use default values (if 'verbosity=0' is supplied), or
an 'invalid value' error message (instead of the mount
helper hanging) if standard input is redirected and
'--verbosity=1' is supplied, or that option is omitted
- attempting to use the eCryptfs mount helper with an
OpenSSL key when the keyring did not contain enough
space for the key resulted in an unhelpful error
message. The user is now alerted when this situation
- the eCryptfs mount helper no longer fails upon receiving
an incorrect or empty answer to 'yes/no' questions.
See also :
Update the affected ecryptfs-utils, ecryptfs-utils-devel and / or
Risk factor :
High / CVSS Base Score : 7.2
Family: Scientific Linux Local Security Checks
Nessus Plugin ID: 60651 ()
CVE ID: CVE-2008-5188
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