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The XM loader used by Cheese Tracker is affected by a buffer-overflow
vulnerability which happens when it tries to store the exceeding data
available in the input file in the junkbuster buffer of only 500 bytes.

From cheesetracker/loaders/loader_xm.cpp:

Loader::Error Loader_XM::load_instrument_internal(Instrument *p_instr,bool
p_xi,int p_cpos, int p_hsize, int p_sampnum) {
        ...
        if (!p_xi) {

            if ((reader.get_file_pos()-p_cpos)<p_hsize) {

                Uint8 junkbuster[500];

                //printf("extra junk XM instrument in header! hsize is %i,
extra junk: %i\n",p_hsize,(reader.get_file_pos()-p_cpos));

               
reader.get_byte_array((Uint8*)junkbuster,p_hsize-(reader.get_file_pos()-p_cpos));
            }
            ...


http://aluigi.altervista.org/adv/cheesebof-adv.txt

The bug has been open for two months and I don't see a new release on the
cheesetracker website.

i would propose to mask this in a few days, comments?

Debian addressed this in DSA-1166-1
<http://www.us.debian.org/security/2006/dsa-1166>
so a patch can be found over at Debian

sound, please provide an updated ebuild

InCVS (0.9.9-r1), target keywords:

alpha amd64 sparc x86

hi arches, please test and stable 0.9.9-r1. Thanks

[ebuild  N    ] media-sound/cheesetracker-0.9.9  USE="-jack"

1) emerges fine
2) passes collision test
3) I really love the test suite
      make: `test' is up to date.
4) works

Portage 2.1.1 (default-linux/x86/2006.1/desktop, gcc-4.1.1, glibc-2.4-r3,
2.6.17-gentoo-r8 i686)
=================================================================
System uname: 2.6.17-gentoo-r8 i686 AMD Athlon(tm) XP 2500+
Gentoo Base System version 1.12.5
Last Sync: Thu, 19 Oct 2006 08:20:01 +0000
app-admin/eselect-compiler: [Not Present]
dev-java/java-config: 1.3.7, 2.0.30
dev-lang/python:     2.4.3-r4
dev-python/pycrypto: 2.0.1-r5
dev-util/ccache:     [Not Present]
dev-util/confcache:  [Not Present]
sys-apps/sandbox:    1.2.17
sys-devel/autoconf:  2.13, 2.59-r7
sys-devel/automake:  1.4_p6, 1.5, 1.6.3, 1.7.9-r1, 1.8.5-r3, 1.9.6-r2
sys-devel/binutils:  2.16.1-r3
sys-devel/gcc-config: 1.3.13-r4
sys-devel/libtool:   1.5.22
virtual/os-headers:  2.6.17-r1
ACCEPT_KEYWORDS="x86"
AUTOCLEAN="yes"
CBUILD="i686-pc-linux-gnu"
CFLAGS="-O2"
CHOST="i686-pc-linux-gnu"
CONFIG_PROTECT="/etc /usr/kde/3.5/env /usr/kde/3.5/share/config
/usr/kde/3.5/shutdown /usr/share/X11/xkb /usr/share/config
/usr/share/texmf/dvipdfm/config/ /usr/share/texmf/dvips/config/
/usr/share/texmf/tex/generic/config/ /usr/share/texmf/tex/platex/config/
/usr/share/texmf/xdvi/"
CONFIG_PROTECT_MASK="/etc/env.d /etc/env.d/java/ /etc/gconf
/etc/java-config/vms/ /etc/revdep-rebuild /etc/terminfo"
CXXFLAGS="-O2"
DISTDIR="/usr/portage/distfiles"
FEATURES="autoconfig ccache collision-protect distlocks metadata-transfer
parallel-fetch sandbox sfperms strict test"
GENTOO_MIRRORS="ftp://sunsite.informatik.rwth-aachen.de/pub/Linux/gentoo/"
LANG="de_DE@euro"
LC_ALL="de_DE@euro"
LINGUAS="de"
MAKEOPTS="-j2"
PKGDIR="/usr/portage/packages"
PORTAGE_RSYNC_OPTS="--recursive --links --safe-links --perms --times --compress
--force --whole-file --delete --delete-after --stats --timeout=180
--exclude='/distfiles' --exclude='/local' --exclude='/packages'"
PORTAGE_TMPDIR="/var/tmp"
PORTDIR="/usr/portage"
PORTDIR_OVERLAY="/usr/local/portage"
SYNC="rsync://rsync.informatik.rwth-aachen.de/gentoo-portage"
USE="x86 3dnow 3dnowext X Xaw3d a52 aiglx alsa artworkextra asf audiofile
bash-completion beagle berkdb bidi bitmap-fonts bootsplash branding bzip2 cairo
cdda cddb cdparanoia cdr cli cracklib crypt css cups curl custom-cflags dbus
dga directfb divx4linux dlloader dri dts dvd dvdr dvdread dvi eds elibc_glibc
emacs emboss encode esd evo exif expat fam fat fbcon ffmpeg firefox fortran ftp
gb gcj gdbm gif gnome gpm gstreamer gtk gtk2 gtkhtml hal icq idn imagemagick
imap input_devices_keyboard input_devices_mouse ipv6 isdnlog java javascript
jikes jpeg jpeg2k kde kernel_linux ldap leim libg++ linguas_de lm_sensors mad
maildir matroska mbox mhash mikmod mime mmx mmxext mng mono mp3 mpeg mpeg2 mule
mysql nautilus ncurses nforce2 nls nocardbus nptl nptlonly nsplugin nvidia objc
ogg opengl pam pcre pdf perl plotutils pmu png ppds pppd preview-latex print
python qt3 qt4 quicktime readline reflection reiserfs samba sdk session slang
spell spl sse ssl svg svga t1lib tcltk tcpd tetex theora thunderbird tiff
truetype truetype-fonts type1-fonts udev usb userland_GNU vcd video_cards_fbdev
video_cards_radeon video_cards_vesa videos vorbis win32codecs wmf wxwindows
xine xml xorg xosd xv xvid zlib"
Unset:  CTARGET, EMERGE_DEFAULT_OPTS, INSTALL_MASK, LDFLAGS,
PORTAGE_RSYNC_EXTRA_OPTS

1. emerges fine on x86
2. passes collision test
3. test suite also results in make: `test' is up to date.
4. works

media-sound/cheesetracker-0.9.9-r1  USE="-jack"

Portage 2.1.1 (default-linux/x86/2006.1/desktop, gcc-4.1.1, glibc-2.4-r3,
2.6.18.1 i686)
=================================================================
System uname: 2.6.18.1 i686 Genuine Intel(R) CPU           T2300  @ 1.66GHz
Gentoo Base System version 1.12.5
Last Sync: Thu, 19 Oct 2006 19:50:01 +0000
ccache version 2.3 [disabled]
app-admin/eselect-compiler: [Not Present]
dev-java/java-config: 1.3.7, 2.0.30
dev-lang/python:     2.3.5-r3, 2.4.3-r4
dev-python/pycrypto: 2.0.1-r5
dev-util/ccache:     2.3
dev-util/confcache:  [Not Present]
sys-apps/sandbox:    1.2.17
sys-devel/autoconf:  2.13, 2.59-r7
sys-devel/automake:  1.4_p6, 1.5, 1.6.3, 1.7.9-r1, 1.8.5-r3, 1.9.6-r2
sys-devel/binutils:  2.16.1-r3
sys-devel/gcc-config: 1.3.13-r4
sys-devel/libtool:   1.5.22
virtual/os-headers:  2.6.17-r1
ACCEPT_KEYWORDS="x86"
AUTOCLEAN="yes"
CBUILD="i686-pc-linux-gnu"
CFLAGS="-O2 -march=prescott -pipe -fomit-frame-pointer"
CHOST="i686-pc-linux-gnu"
CONFIG_PROTECT="/etc /usr/kde/3.5/env /usr/kde/3.5/share/config
/usr/kde/3.5/shutdown /usr/share/X11/xkb /usr/share/config
/usr/share/texmf/dvipdfm/config/ /usr/share/texmf/dvips/config/
/usr/share/texmf/tex/generic/config/ /usr/share/texmf/tex/platex/config/
/usr/share/texmf/xdvi/"
CONFIG_PROTECT_MASK="/etc/env.d /etc/env.d/java/ /etc/gconf
/etc/java-config/vms/ /etc/revdep-rebuild /etc/terminfo"
CXXFLAGS="-O2 -march=prescott -pipe -fomit-frame-pointer"
DISTDIR="/usr/portage/distfiles"
EMERGE_DEFAULT_OPTS="--nospinner"
FEATURES="autoconfig collision-protect distlocks metadata-transfer
parallel-fetch sandbox sfperms strict test userfetch userpriv usersandbox"
GENTOO_MIRRORS="http://distfiles.gentoo.org
http://distro.ibiblio.org/pub/linux/distributions/gentoo"
LINGUAS="en de en_GB de_CH"
MAKEOPTS="-j3"
PKGDIR="/usr/portage/packages"
PORTAGE_RSYNC_OPTS="--recursive --links --safe-links --perms --times --compress
--force --whole-file --delete --delete-after --stats --timeout=180
--exclude='/distfiles' --exclude='/local' --exclude='/packages'"
PORTAGE_TMPDIR="/var/tmp"
PORTDIR="/usr/portage"
SYNC="rsync://rsync.europe.gentoo.org/gentoo-portage"
USE="x86 X a52 aac acpi alsa apache2 asf berkdb bitmap-fonts cairo cdr cdrom
cli cracklib crypt cups dbus divx dlloader dri dts dvd dvdr dvdread eds
elibc_glibc emboss encode fam ffmpeg firefox flac fortran gdbm gif gnome gpm
gstreamer gtk hal input_devices_keyboard input_devices_mouse ipv6 isdnlog java
jpeg kde kernel_linux ldap libg++ linguas_de linguas_de_CH linguas_en
linguas_en_GB mad mikmod mmx mono mp3 mpeg ncurses nls nptl nptlonly ogg opengl
oss pam pcre perl png ppds pppd python qt3 qt4 quicktime readline reflection
rtsp samba sdl session smp spell spl sse sse2 sse3 ssl svg tcpd test tetex
theora threads truetype truetype-fonts type1-fonts udev unicode userland_GNU
vcd video_cards_fbdev video_cards_i810 video_cards_vesa vorbis win32codecs
wxwindows x264 xine xml xorg xprint xv xvid zlib"
Unset:  CTARGET, INSTALL_MASK, LANG, LC_ALL, LDFLAGS, PORTAGE_RSYNC_EXTRA_OPTS,
PORTDIR_OVERLAY

x86 done

SPARC stable

stable on alpha and amd64.

\o/ Thanks

GLSA 200610-13