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Message-ID: <20131115000431.GA22216@hunt>
Date: Thu, 14 Nov 2013 16:04:31 -0800
From: Seth Arnold <seth.arnold@...onical.com>
To: oss-security@...ts.openwall.com
Cc: security@...ntu.com
Subject: CVE Request: grub-mkconfig
Hello Kurt, all,
Please assign a CVE for grub-mkconfig.
grub-mkconfig on Debian and derivatives sets mode 444 on grub.cfg
configuration files if there are no plaintext passwords in the
configuration file. However, the permissions are still set world readable
if the password_pbkdf2 directive includes a hashed password.
The original bug report and proposed patch is by Francesco Poli:
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=632598
Original compressed patch:
http://bugs.debian.org/cgi-bin/bugreport.cgi?msg=5;filename=safer_grub_cfg_perms.diff.gz;att=1;bug=632598
Patch, uncompressed and inlined:
diff -ruN a/grub-mkconfig b/grub-mkconfig
--- a/grub-mkconfig 2011-05-31 11:33:31.000000000 +0200
+++ b/grub-mkconfig 2011-07-03 21:15:53.000000000 +0200
@@ -293,7 +293,7 @@
esac
done
-if [ "x${grub_cfg}" != "x" ] && ! grep -q "^password " ${grub_cfg}.new ; then
+if [ "x${grub_cfg}" != "x" ] && ! grep -q "^password" ${grub_cfg}.new ; then
chmod 444 ${grub_cfg}.new || true
fi
Thanks
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