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CVE-2008-1483 (http://nvd.nist.gov/nvd.cfm?cvename=CVE-2008-1483):
  OpenSSH 4.3p2, and probably other versions, allows local users to hijack
  forwarded X connections by causing ssh to set DISPLAY to :10, even when
  another process is listening on the associated port, as demonstrated by
  opening TCP port 6010 (IPv4) and sniffing a cookie sent by Emacs.

According to the openssh upstream, this also affects vanilla versions later
than 4.3. See 

... $URL for details

openssh-4.7_p1-r5 in the tree for people to stabilize

Arches, please test and mark stable:
=net-misc/openssh-4.7_p1-r5
Target keywords : "alpha amd64 arm hppa ia64 m68k ppc ppc64 release s390 sh
sparc x86"

@base-system, please also apply the patch in -r20 and above.

Created an attachment (id=147620) [details]
build.log

[ebuild     U ] net-misc/openssh-4.7_p1-r5 [4.7_p1-r3] USE="X X509* chroot*
hpn* kerberos* ldap libedit* pam skey* smartcard* tcpd (-selinux) -static" 0 kB

Portage 2.1.4.4 (default-linux/x86/2007.0/desktop, gcc-4.1.2, glibc-2.6.1-r0,
2.6.24-gentoo-r3 i686)
=================================================================
System uname: 2.6.24-gentoo-r3 i686 AMD Athlon(tm) X2 Dual Core Processor
BE-2400
Timestamp of tree: Sat, 29 Mar 2008 10:16:01 +0000
app-shells/bash:     3.2_p17-r1
dev-java/java-config: 1.3.7, 2.1.4
dev-lang/python:     2.4.4-r9
dev-python/pycrypto: 2.0.1-r6
sys-apps/baselayout: 1.12.11.1
sys-apps/sandbox:    1.2.18.1-r2
sys-devel/autoconf:  2.13, 2.61-r1
sys-devel/automake:  1.4_p6, 1.5, 1.6.3, 1.7.9-r1, 1.8.5-r3, 1.9.6-r2, 1.10
sys-devel/binutils:  2.18-r1
sys-devel/gcc-config: 1.4.0-r4
sys-devel/libtool:   1.5.26
virtual/os-headers:  2.6.23-r3
ACCEPT_KEYWORDS="x86"
CBUILD="i686-pc-linux-gnu"
CFLAGS="-O2"
CHOST="i686-pc-linux-gnu"
CONFIG_PROTECT="/etc /opt/openfire/resources/security/ /opt/openjms/config
/usr/kde/3.5/env /usr/kde/3.5/share/config /usr/kde/3.5/shutdown
/usr/share/config /var/lib/hsqldb /var/vpopmail/etc"
CONFIG_PROTECT_MASK="/etc/env.d /etc/env.d/java/ /etc/fonts/fonts.conf
/etc/gconf /etc/php/apache2-php5/ext-active/ /etc/php/cgi-php5/ext-active/
/etc/php/cli-php5/ext-active/ /etc/revdep-rebuild /etc/splash /etc/terminfo
/etc/texmf/web2c /etc/udev/rules.d"
CXXFLAGS="-O2"
DISTDIR="/usr/portage/distfiles"
FEATURES="ccache distlocks metadata-transfer parallel-fetch sandbox sfperms
strict unmerge-orphans userfetch userpriv"
GENTOO_MIRRORS="ftp://sunsite.informatik.rwth-aachen.de/pub/Linux/gentoo/"
LANG="de_DE.utf8"
LC_ALL="de_DE.utf8"
LINGUAS="de"
MAKEOPTS="-j3"
PKGDIR="/usr/portage/packages"
PORTAGE_RSYNC_OPTS="--recursive --links --safe-links --perms --times --compress
--force --whole-file --delete --stats --timeout=180 --exclude=/distfiles
--exclude=/local --exclude=/packages"
PORTAGE_TMPDIR="/var/tmp"
PORTDIR="/usr/portage"
PORTDIR_OVERLAY="/usr/portage/local/layman/sunrise"
SYNC="rsync://rsync.informatik.rwth-aachen.de/gentoo-portage"
USE="3dnow 3dnowext X a52 acl acpi aiglx alsa apache2 apm applet artworkextra
asf audiofile avahi bash-completion beagle berkdb bidi bogofilter bootsplash
branding bzip2 cairo ccache cdda cddb cdparanoia cdr cli console cracklib crypt
css cups curl custom-cflags dbus dga directfb divx4linux dri dts dvd dvdr
dvdread dvi eds emacs emboss encode esd evince evo exif fam fat fbcon fdftk
ffmpeg firefox flac foomaticdb fortran ftp gb gcj gdbm gif glitz gnome gpm gsf
gstreamer gtk gtk2 gtkhtml hal howl iconv icq idn imagemagick imap imlib
immqt-bc isdnlog java javascript jpeg jpeg2k kde ldap libnotify lirc lm_sensors
mad maildir matroska mbox midi mikmod mime mmx mmxext mng mono mp3 mpeg mpeg2
mudflap mule mysql nautilus ncurses nforce2 nls nocardbus nptl nptlonly
nsplugin nvidia objc objc++ objc-gc offensive ogg opengl openmp pam pango pcre
pdf perl php plotutils pmu png ppds pppd prediction preview-latex print python
qt3 qt3support qt4 quicktime readline reflection samba sdk session slang spell
spl sse ssl svg svga t1lib tcl tcpd tetex theora threads thumbnailing tiff tk
toolkit-scroll-bars totem tracker truetype truetype-fonts type1-fonts udev
unicode usb userlocales vcd videos vorbis win32codecs wmf wxwindows x86 xface
xft xine xml xorg xosd xpm xv xvid zlib" ALSA_CARDS="intel8x0"
ALSA_PCM_PLUGINS="adpcm alaw asym copy dmix dshare dsnoop empty extplug file
hooks iec958 ioplug ladspa lfloat linear meter mulaw multi null plug rate route
share shm softvol" APACHE2_MODULES="actions alias auth_basic authn_alias
authn_anon authn_dbm authn_default authn_file authz_dbm authz_default
authz_groupfile authz_host authz_owner authz_user autoindex cache dav dav_fs
dav_lock deflate dir disk_cache env expires ext_filter file_cache filter
headers include info log_config logio mem_cache mime mime_magic negotiation
rewrite setenvif speling status unique_id userdir usertrack vhost_alias"
CAMERAS="canon ptp2" ELIBC="glibc" INPUT_DEVICES="mouse keyboard"
KERNEL="linux" LCD_DEVICES="bayrad cfontz cfontz633 glk hd44780 lb216 lcdm001
mtxorb ncurses text" LINGUAS="de" LIRC_DEVICES="atiusb" USERLAND="GNU"
VIDEO_CARDS="vesa fbdev fglrx"
Unset:  CPPFLAGS, CTARGET, EMERGE_DEFAULT_OPTS, INSTALL_MASK, LDFLAGS,
PORTAGE_COMPRESS, PORTAGE_COMPRESS_FLAGS, PORTAGE_RSYNC_EXTRA_OPTS

Created an attachment (id=147621) [details]
patch.out

-r20 needs to get sorted out otherwise first.  we're focusing on stable here,
not ~arrch.

fixed patch failure with USE=X509 by not applying the gsskex patch

ppc and ppc64 stablized openssh-4.7_p1-r5

Stable for HPPA.

x86 stable

amd64 stable

(In reply to comment #7)
> -r20 needs to get sorted out otherwise first.  we're focusing on stable here,
> not ~arrch.

~arch is what I meant. We don't need to stable -r20+, but a simple rev-bump and
inclusion of the patch should secure ~arch users. Vulnerabilities should be
fixed in latest arch and ~arch versions. ~arch will not be covered by the GLSA
process though.

alpha/ia64/sparc stable

Fixed in release snapshot. CC'ing Diego, take a look at #12.

Not sure what I have to look at, I used -r20 so that -r5 and so on can be kept
for stable non-pambase-aware ebuilds and -r21 could follow that path... is
there a problem with providing two ebuilds? (-r5 and -r21)?

(In reply to comment #15)
> Not sure what I have to look at, I used -r20 so that -r5 and so on can be kept
> for stable non-pambase-aware ebuilds and -r21 could follow that path... is
> there a problem with providing two ebuilds? (-r5 and -r21)?

No problem at all, just bump -r20 to -r21 including the patch, both staying
~arch.

that patch isnt the only thing to go into the ebuild.  i'll take care of the
-r21 transition, but as i said i'm not doing it just yet until other things get
sorted out (specific to the -r20 ebuild).

as you already noted, security is concerned about stable, not unstable

request filed.

GLSA 200804-03

Fixed for ~arch in 5.0_p1