Date: Wed, 5 Mar 2014 22:22:17 +0100 From: Salvatore Bonaccorso <carnil@...ian.org> To: oss-security@...ts.openwall.com Cc: cve-assign@...re.org Subject: Re: Re: CVE Request: file: crashes when checking softmagic for some corrupt PE executables Hi, On Wed, Mar 05, 2014 at 12:07:25PM -0500, cve-assign@...re.org wrote: > -----BEGIN PGP SIGNED MESSAGE----- > Hash: SHA1 > > > file can be made to crash when checking some corrupt PE executables, > > and so could be used to mount a denial of service for file, or an > > application using file/libmagic. > > > http://bugs.gw.com/view.php?id=313 > > > https://github.com/glensc/file/commit/447558595a3650db2886cd2f416ad0beba965801 > > Use CVE-2014-2270. > > A CVE ID seems worthwhile because of possible libmagic use cases. > > "file can be made to crash" is typically not security-relevant on its > own (a user can recover from this by not continuing to run file on the > same crafted file). We're not sure whether any distribution has > packages that rely on server-side use of libmagic, or whether it's > common to have long-running processes that use libmagic with untrusted > input. [...] Thanks for the CVE assignment and also for the clarification about when a CVE might be assigned. I do not have a concrete example of such an application, although php5 for example is embedding a copy of libmagic/file which is used. One question about the CVE ID, as the bug was submitted on 2013-12-20 should that have recieved a 2013 CVE? Regards, Salvatore
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