Ubuntu 1586-1: Emacs vulnerabilities

    Date27 Sep 2012
    CategoryUbuntu
    52
    Posted ByLinuxSecurity Advisories
    Emacs could be made to run programs as your login if it opened a specially crafted file.
    ==========================================================================
    Ubuntu Security Notice USN-1586-1
    September 27, 2012
    
    emacs23 vulnerabilities
    ==========================================================================
    
    A security issue affects these releases of Ubuntu and its derivatives:
    
    - Ubuntu 12.04 LTS
    - Ubuntu 11.10
    
    Summary:
    
    Emacs could be made to run programs as your login if it opened a specially
    crafted file.
    
    Software Description:
    - emacs23: The GNU Emacs editor (with GTK+ user interface)
    
    Details:
    
    Hiroshi Oota discovered that Emacs incorrectly handled search paths. If a
    user were tricked into opening a file with Emacs, a local attacker could
    execute arbitrary Lisp code with the privileges of the user invoking the
    program. (CVE-2012-0035)
    
    Paul Ling discovered that Emacs incorrectly handled certain eval forms in
    local-variable sections. If a user were tricked into opening a specially
    crafted file with Emacs, a remote attacker could execute arbitrary Lisp
    code with the privileges of the user invoking the program. (CVE-2012-3479)
    
    Update instructions:
    
    The problem can be corrected by updating your system to the following
    package versions:
    
    Ubuntu 12.04 LTS:
      emacs23                         23.3+1-1ubuntu9.1
      emacs23-common                  23.3+1-1ubuntu9.1
    
    Ubuntu 11.10:
      emacs23                         23.3+1-1ubuntu4.1
      emacs23-common                  23.3+1-1ubuntu4.1
    
    After a standard system update you need to restart Emacs to make all the
    necessary changes.
    
    References:
      http://www.ubuntu.com/usn/usn-1586-1
      CVE-2012-0035, CVE-2012-3479
    
    Package Information:
      https://launchpad.net/ubuntu/+source/emacs23/23.3+1-1ubuntu9.1
      https://launchpad.net/ubuntu/+source/emacs23/23.3+1-1ubuntu4.1
    
    
    
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