Bug#717958: [Debian RT] Re: Bug#717958: kfreebsd-9: CVE-2013-4851: nfsserver applies wrong credentials
Dear Security Team,
Please could we upload to wheezy-security as in the attached debdiff,
using upstream's patch to fix CVE-2013-4851 / Bug#717958 in kfreebsd-9.
Thanks,
Regards,
--
Steven Chamberlain
steven@pyro.eu.org
diff -Nru kfreebsd-9-9.0/debian/changelog kfreebsd-9-9.0/debian/changelog
--- kfreebsd-9-9.0/debian/changelog 2013-06-23 14:47:37.000000000 +0100
+++ kfreebsd-9-9.0/debian/changelog 2013-07-28 19:34:25.000000000 +0100
@@ -1,3 +1,11 @@
+kfreebsd-9 (9.0-10+deb70.3) wheezy-security; urgency=high
+
+ * Team upload.
+ * Pick SVN 253693 from FreeBSD 9-STABLE to fix SA-13:08 / CVE-2013-4851:
+ Incorrect privilege validation in the NFS server (Closes: #717958)
+
+ -- Steven Chamberlain <steven@pyro.eu.org> Sun, 28 Jul 2013 18:15:26 +0100
+
kfreebsd-9 (9.0-10+deb70.2) wheezy-security; urgency=high
* Team upload.
diff -Nru kfreebsd-9-9.0/debian/patches/SA-13_08.nfsserver.patch kfreebsd-9-9.0/debian/patches/SA-13_08.nfsserver.patch
--- kfreebsd-9-9.0/debian/patches/SA-13_08.nfsserver.patch 1970-01-01 01:00:00.000000000 +0100
+++ kfreebsd-9-9.0/debian/patches/SA-13_08.nfsserver.patch 2013-07-28 19:30:16.000000000 +0100
@@ -0,0 +1,23 @@
+Description:
+ Fix a bug that allows remote client bypass the normal
+ access checks when when -network or -host restrictions
+ are used at the same time with -mapall. [13:08]
+ (CVE-2013-4851)
+Origin: vendor, http://security.FreeBSD.org/patches/SA-13:08/nfsserver.patch
+Bug: http://www.freebsd.org/security/advisories/FreeBSD-SA-13:08.nfsserver.asc
+Bug-Debian: http://bugs.debian.org/717958
+Applied-Upstream: http://svnweb.freebsd.org/base?view=revision&revision=253693
+
+Index: kfreebsd-9-9.0/sys/kern/vfs_export.c
+===================================================================
+--- kfreebsd-9-9.0.orig/sys/kern/vfs_export.c 2009-09-28 19:07:16.000000000 +0100
++++ kfreebsd-9-9.0/sys/kern/vfs_export.c 2013-07-28 18:13:25.223547283 +0100
+@@ -208,7 +208,7 @@
+ np->netc_anon = crget();
+ np->netc_anon->cr_uid = argp->ex_anon.cr_uid;
+ crsetgroups(np->netc_anon, argp->ex_anon.cr_ngroups,
+- np->netc_anon->cr_groups);
++ argp->ex_anon.cr_groups);
+ np->netc_anon->cr_prison = &prison0;
+ prison_hold(np->netc_anon->cr_prison);
+ np->netc_numsecflavors = argp->ex_numsecflavors;
diff -Nru kfreebsd-9-9.0/debian/patches/series kfreebsd-9-9.0/debian/patches/series
--- kfreebsd-9-9.0/debian/patches/series 2013-06-23 14:47:37.000000000 +0100
+++ kfreebsd-9-9.0/debian/patches/series 2013-07-28 19:30:16.000000000 +0100
@@ -10,6 +10,7 @@
SA-12_08.linux.patch
SA-13_05.nfsserver.patch
SA-13_06.mmap.patch
+SA-13_08.nfsserver.patch
# Other patches that might or might not be mergeable
001_misc.diff
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