CVE-2014-3422 - Improper Link Resolution Before File Access ('Link Following')

Severity

32%

Complexity

34%

Confidentiality

81%

lisp/emacs-lisp/find-gc.el in GNU Emacs 24.3 and earlier allows local users to overwrite arbitrary files via a symlink attack on a temporary file under /tmp/esrc/.

CVSS 2.0 Base Score 3.3. CVSS Attack Vector: local. CVSS Attack Complexity: medium. CVSS Vector: (AV:L/AC:M/Au:N/C:N/I:P/A:P).

Overview

First reported 10 years ago

2014-05-08 10:55:00

Last updated 8 years ago

2016-06-30 16:20:00

Affected Software

GNU Emacs 20.0

20.0

GNU GNU Emacs 20.1

20.1

GNU GNU Emacs 20.2

20.2

GNU GNU Emacs 20.3

20.3

GNU Emacs 20.4

20.4

GNU GNU Emacs 20.5

20.5

GNU GNU Emacs 20.6

20.6

GNU Emacs 20.7

20.7

GNU Emacs 21

21

GNU Emacs 21.1

21.1

GNU Emacs 21.2

21.2

GNU Emacs 21.2.1

21.2.1

GNU Emacs 21.3

21.3

GNU Emacs 21.3.1

21.3.1

GNU Emacs 21.4

21.4

GNU Emacs 22.1

22.1

GNU Emacs 22.2

22.2

GNU Emacs 22.3

22.3

GNU Emacs 23.1

23.1

GNU Emacs 23.2

23.2

GNU Emacs 23.3

23.3

GNU Emacs 23.4

23.4

GNU Emacs 24.1

24.1

GNU Emacs 24.2

24.2

GNU Emacs

References

http://advisories.mageia.org/MGASA-2014-0250.html

http://debbugs.gnu.org/cgi/bugreport.cgi?bug=17428#8

[emacs-diffs] 20140506 emacs-24 r117067: find-gc.el misc fixes

[oss-security] 20140507 Re: CVE Request - Predictable temporary filenames in GNU Emacs

MDVSA-2015:117

Stay updated

ExploitPedia is constantly evolving. Sign up to receive a notification when we release additional functionality.

Get in touch

If you'd like to report a bug or have any suggestions for improvements then please do get in touch with us using this form. We will get back to you as soon as we can.