Debian: DSA-3450-1: ecryptfs-utils security update

    Date 20 Jan 2016
    162
    Posted By LinuxSecurity Advisories
    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.
    
    - -------------------------------------------------------------------------
    Debian Security Advisory DSA-3450-1                   This email address is being protected from spambots. You need JavaScript enabled to view it.
    https://www.debian.org/security/                     Salvatore Bonaccorso
    January 20, 2016                      https://www.debian.org/security/faq
    - -------------------------------------------------------------------------
    
    Package        : ecryptfs-utils
    CVE ID         : CVE-2016-1572
    
    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.
    
    Further information about Debian Security Advisories, how to apply
    these updates to your system and frequently asked questions can be
    found at: https://www.debian.org/security/
    
    Mailing list: This email address is being protected from spambots. You need JavaScript enabled to view it.
    

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