CVE-2014-3423 - Improper Link Resolution Before File Access ('Link Following')

Severity

32%

Complexity

34%

Confidentiality

81%

lisp/net/browse-url.el in GNU Emacs 24.3 and earlier allows local users to overwrite arbitrary files via a symlink attack on a /tmp/Mosaic.##### temporary file.

lisp/net/browse-url.el in GNU Emacs 24.3 and earlier allows local users to overwrite arbitrary files via a symlink attack on a /tmp/Mosaic.##### temporary file.

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 16:23:00

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 r117068: browse-url.el comment

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

MDVSA-2015:117

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