Date: Thu, 10 Jul 2014 15:09:30 -0400 From: Rich Felker <dalias@...c.org> To: oss-security@...ts.openwall.com Subject: Re: CVE-2014-0475: glibc directory traversal in LC_* locale handling On Thu, Jul 10, 2014 at 08:52:24PM +0200, Florian Weimer wrote: > 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. Am I correct in assuming this affects most typical git setups (e.g. gitolite) using ssh authorized_keys files with forced commands, where the malicious file could simply be created as part of the git repository? Or are these usually setup to filter the environment? Rich
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