The (1) ecryptfs-setup-private, (2) ecryptfs-setup-confidential, and (3) ecryptfs-setup-pam-wrapped.sh scripts in ecryptfs-utils 45 through 61 in eCryptfs place cleartext passwords on command lines, which allows local users to obtain sensitive information by listing the process.
git.kernel.org/?p=linux/kernel/git/mhalcrow/ecryptfs-utils.git%3Ba=commit%3Bh=06de99afd53f03fe07eda0ad9d61ac6d5d4d9f53
osvdb.org/49334
osvdb.org/50353
osvdb.org/50354
osvdb.org/50355
rhn.redhat.com/errata/RHSA-2009-1307.html
secunia.com/advisories/32382
secunia.com/advisories/36552
www.openwall.com/lists/oss-security/2008/10/23/3
www.openwall.com/lists/oss-security/2008/10/29/4
www.openwall.com/lists/oss-security/2008/10/29/7
exchange.xforce.ibmcloud.com/vulnerabilities/46073
launchpad.net/bugs/287908
oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9607