oss-sec mailing list archives
Re: CVE Request: grub-mkconfig
From: Kurt Seifried <kseifried () redhat com>
Date: Thu, 14 Nov 2013 20:33:43 -0700
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 On 11/14/2013 05:04 PM, Seth Arnold wrote:
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
Please use CVE-2013-4577 for this issue. - -- Kurt Seifried Red Hat Security Response Team (SRT) PGP: 0x5E267993 A90B F995 7350 148F 66BF 7554 160D 4553 5E26 7993 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.15 (GNU/Linux) iQIcBAEBAgAGBQJShZYWAAoJEBYNRVNeJnmTtykQANfZ6n3UlaLWAUa2BzT5+rIS YOOa7/F2cftHK/7zpGqAe50ZI4pB+Vq9PGIoi2exh5ulVxXpe3Gu8DbUOj4NoHVg sZ47rJMJThs+LG1TLNLP5VcyrBDHOHBRL2y0wBeDn4dftw1Tz+w+rBXInzSxIcxk W8RjA+OM+CoT+qAeGIvCXc5BZcQ59vVzVSD1qvJLIkf1GaZD+8zeYr4KwrlYY+Za P74QxC6yX0fhQ2AltxLaqMeHakRAVeuTddrP4VtOX0WcURizrVqfGCLPp90THADm emVrhR032IpTapY0voX+c5n9qipvitvbl9h3XDpWDBFluSNZ5NRjOxgWajSq4rAg PT7MUia1GkRyhfMVnmGT85cbET3/CdFkzKH+tuV7+E6tJhlvcTYHHBkslGjGK8fX KPX9BCxgOx+1HPpzTZnTNTxBsDkBurmW5JK4VG6H+Z3zJuXobnuNn90bItHVMz1t B/isfHRLHo8WbgvdJ4GQxuByOmVHuMv7BqrJpus6Wuavph7m6VMFaKRwKKUtwzOm JocjPrZ3nBh8GEmrLdhktUhtsRqLFOyjL6wNB/KRdZyy2lAK7/srn+o+x7DwHweh 9goCkSLkCoM/GDehg5hEIR4YWDsEvdGGeMaUCk2XHGvQ3kC1EfhZnIRcfyxtHAVe cFwckbOjqim5oHW9h9Fg =DSXv -----END PGP SIGNATURE-----
Current thread:
- CVE Request: grub-mkconfig Seth Arnold (Nov 14)
- Re: CVE Request: grub-mkconfig Kurt Seifried (Nov 14)