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[ GLSA 201403-05 ] GNU Emacs: Multiple vulnerabilities
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PostPosted: Thu Mar 20, 2014 11:26 am    Post subject: [ GLSA 201403-05 ] GNU Emacs: Multiple vulnerabilities Reply with quote

Gentoo Linux Security Advisory

Title: GNU Emacs: Multiple vulnerabilities (GLSA 201403-05)
Severity: normal
Exploitable: remote
Date: March 20, 2014
Bug(s): #398239, #431178
ID: 201403-05

Synopsis

Two vulnerabilities have been found in GNU Emacs, possibly leading
to user-assisted execution of arbitrary code.


Background

GNU Emacs is a highly extensible and customizable text editor.

Affected Packages

Package: app-editors/emacs
Vulnerable: < 24.1-r1
Unaffected: >= 24.1-r1
Unaffected: >= 23.4-r4 < 23.5
Unaffected: < 23.2
Architectures: All supported architectures


Description

Multiple vulnerabilities have been discovered in GNU Emacs:
  • When ‘global-ede-mode’ is enabled, EDE in Emacs automatically
    loads a Project.ede file from the project directory (CVE-2012-0035).
  • When ‘enable-local-variables’’ is set to ‘:safe’, Emacs
    automatically processes eval forms (CVE-2012-3479).


Impact

A remote attacker could entice a user to open a specially crafted file,
possibly resulting in execution of arbitrary code with the privileges of
the process or a Denial of Service condition.


Workaround

There is no known workaround at this time.

Resolution

All GNU Emacs 24.x users should upgrade to the latest version:
Code:
# emerge --sync
      # emerge --ask --oneshot --verbose ">=app-editors/emacs-24.1-r1"
   
All GNU Emacs 23.x users should upgrade to the latest version:
Code:
# emerge --sync
      # emerge --ask --oneshot --verbose ">=app-editors/emacs-23.4-r4"
   


References

CVE-2012-0035
CVE-2012-3479
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