J-Security Center

Title: Emacs flim Library Insecure Temporary File Creation Vulnerability

Severity: MODERATE

Description:

Emacs is a widely used, freely available text editor, maintained by the Free Software Foundation.

A Symbolic link vulnerability has been reported within the Emacs flim library. This library is used by Emacs for working with Internet messages.

The problem exists because flim creates temporary files in an insecure manner. A local user could exploit this vulnerability to cause files to be overwritten with the privileges of the user running Emacs.

Affected Products:

  • Debian Linux 3.0.0
  • Debian Linux 3.0.0 alpha
  • Debian Linux 3.0.0 arm
  • Debian Linux 3.0.0 hppa
  • Debian Linux 3.0.0 ia-32
  • Debian Linux 3.0.0 ia-64
  • Debian Linux 3.0.0 m68k
  • Debian Linux 3.0.0 mips
  • Debian Linux 3.0.0 mipsel
  • Debian Linux 3.0.0 ppc
  • Debian Linux 3.0.0 s/390
  • Debian Linux 3.0.0 sparc
  • GNU Emacs 20.0.0
  • GNU Emacs 20.1.0
  • GNU Emacs 20.2.0
  • GNU Emacs 20.3.0
  • GNU Emacs 20.4.0
  • GNU Emacs 20.5.0
  • GNU Emacs 20.6.0
  • GNU Emacs 20.6.0
  • GNU Emacs 21.2.0
  • MandrakeSoft Linux Mandrake 6.0.0
  • MandrakeSoft Linux Mandrake 6.1.0
  • MandrakeSoft Linux Mandrake 7.0.0
  • RedHat Fedora Core2
  • RedHat Linux 6.2.0 i386

References:

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