Follow @Openwall on Twitter for new release announcements and other news
[<prev] [next>] [thread-next>] [day] [month] [year] [list]
Date: Thu, 10 Jul 2014 20:52:24 +0200
From: Florian Weimer <>
Subject: CVE-2014-0475: glibc directory traversal in LC_* locale handling

Stephane Chazelas discovered that directory traversal issue in locale
handling in glibc.  glibc accepts relative paths with ".." components
in the LC_* and LANG variables.  Together with typical OpenSSH
configurations (with suitable AcceptEnv settings in sshd_config), this
could conceivably be used to bypass ForceCommand restrictions (or
restricted shells), assuming the attacker has sufficient level of
access to a file system location on the host to create crafted locale
definitions there.

Bug report:

Git commits:;a=commitdiff;h=d183645616b
  Related alloca hardening (technically not covered by the CVE assignment);a=commitdiff;h=4e8f95a0df7
  Actual fix;a=commitdiff;h=58536726692
  Documentation updates

(To backport the new test in a reliable fashion, you need to tweak the
Makefile to set the LOCPATH environment variable.)

Powered by blists - more mailing lists

Please check out the Open Source Software Security Wiki, which is counterpart to this mailing list.

Confused about mailing lists and their use? Read about mailing lists on Wikipedia and check out these guidelines on proper formatting of your messages.