Debian Security Advisory
DSA-3450-1 ecryptfs-utils -- security update
- Date Reported:
- 20 Jan 2016
- Affected Packages:
- Security database references:
- In Mitre's CVE dictionary: CVE-2016-1572.
- More information:
Jann Horn discovered that the setuid-root mount.ecryptfs_private helper in the ecryptfs-utils would mount over any target directory that the user owns, including a directory in procfs. A local attacker could use this flaw to escalate his privileges.
For the oldstable distribution (wheezy), this problem has been fixed in version 99-1+deb7u1.
For the stable distribution (jessie), this problem has been fixed in version 103-5+deb8u1.
We recommend that you upgrade your ecryptfs-utils packages.