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Date: Wed, 5 Mar 2014 12:07:25 -0500 (EST)
From: cve-assign@...re.org
To: carnil@...ian.org
Cc: cve-assign@...re.org, oss-security@...ts.openwall.com
Subject: Re: CVE Request: file: crashes when checking softmagic for some corrupt PE executables
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> 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.
"apt-rdepends --reverse file" gave some hints that resulted in these
possibilities, but the actual use of file (or libmagic) within these
packages was not investigated:
https://packages.debian.org/wheezy/bacula-director-sqlite3
network backup service - SQLite 3 storage for Director
The Bacula Director service supervises all the backup, restore,
verify, and archive operations. It can run as a daemon
dep: file
https://packages.debian.org/wheezy/guestfsd
This package contains a standalone version the back-end daemon that
carries out file system access on behalf of libguestfs applications.
dep: file
- --
CVE assignment team, MITRE CVE Numbering Authority
M/S M300
202 Burlington Road, Bedford, MA 01730 USA
[ PGP key available through http://cve.mitre.org/cve/request_id.html ]
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