Bug 406347 – net-ftp/tftp-hpa-5.{1,2} - tftp client buffer overflow crash

• Product: Gentoo Linux
• Status: RESOLVED DUPLICATE

[Description Wim Muskee 2012-02-29 18:23:55 UTC]

When trying to get get a file using the tftp command, the program abort with a backtrace:

tftp> get pxelinux.0
*** buffer overflow detected ***: tftp terminated
======= Backtrace: =========
/lib64/libc.so.6(__fortify_fail+0x37)[0x7fa00ca286f7]
/lib64/libc.so.6(+0xee510)[0x7fa00ca26510]
tftp[0x401bc2]
tftp[0x4025dc]
tftp[0x403cef]
/lib64/libc.so.6(__libc_start_main+0xfd)[0x7fa00c95a09d]
tftp[0x401a89]
======= Memory map: ========
00400000-00407000 r-xp 00000000 08:03 26347736                           /usr/bin/tftp
00606000-00607000 r--p 00006000 08:03 26347736                           /usr/bin/tftp
00607000-00608000 rw-p 00007000 08:03 26347736                           /usr/bin/tftp
00608000-0066a000 rw-p 00000000 00:00 0                                  [heap]
7fa006382000-7fa006397000 r-xp 00000000 08:03 22020105                   /lib64/libgcc_s.so.1
7fa006397000-7fa006596000 ---p 00015000 08:03 22020105                   /lib64/libgcc_s.so.1
7fa006596000-7fa006597000 r--p 00014000 08:03 22020105                   /lib64/libgcc_s.so.1
7fa006597000-7fa006598000 rw-p 00015000 08:03 22020105                   /lib64/libgcc_s.so.1
7fa006598000-7fa00c2d2000 r--p 00000000 08:03 18483300                   /usr/lib64/locale/locale-archive
7fa00c2d2000-7fa00c2de000 r-xp 00000000 08:03 22020114                   /lib64/libnss_files-2.13.so
7fa00c2de000-7fa00c4dd000 ---p 0000c000 08:03 22020114                   /lib64/libnss_files-2.13.so
7fa00c4dd000-7fa00c4de000 r--p 0000b000 08:03 22020114                   /lib64/libnss_files-2.13.so
7fa00c4de000-7fa00c4df000 rw-p 0000c000 08:03 22020114                   /lib64/libnss_files-2.13.so
7fa00c4df000-7fa00c4e1000 r-xp 00000000 08:03 22020404                   /lib64/libdl-2.13.so
7fa00c4e1000-7fa00c6e1000 ---p 00002000 08:03 22020404                   /lib64/libdl-2.13.so
7fa00c6e1000-7fa00c6e2000 r--p 00002000 08:03 22020404                   /lib64/libdl-2.13.so
7fa00c6e2000-7fa00c6e3000 rw-p 00003000 08:03 22020404                   /lib64/libdl-2.13.so
7fa00c6e3000-7fa00c733000 r-xp 00000000 08:03 22020228                   /lib64/libncurses.so.5.9
7fa00c733000-7fa00c932000 ---p 00050000 08:03 22020228                   /lib64/libncurses.so.5.9
7fa00c932000-7fa00c936000 r--p 0004f000 08:03 22020228                   /lib64/libncurses.so.5.9
7fa00c936000-7fa00c937000 rw-p 00053000 08:03 22020228                   /lib64/libncurses.so.5.9
7fa00c937000-7fa00c938000 rw-p 00000000 00:00 0
7fa00c938000-7fa00caba000 r-xp 00000000 08:03 22020181                   /lib64/libc-2.13.so
7fa00caba000-7fa00ccba000 ---p 00182000 08:03 22020181                   /lib64/libc-2.13.so
7fa00ccba000-7fa00ccbe000 r--p 00182000 08:03 22020181                   /lib64/libc-2.13.so
7fa00ccbe000-7fa00ccbf000 rw-p 00186000 08:03 22020181                   /lib64/libc-2.13.so
7fa00ccbf000-7fa00ccc4000 rw-p 00000000 00:00 0
7fa00ccc4000-7fa00cd02000 r-xp 00000000 08:03 22020117                   /lib64/libreadline.so.6.2
7fa00cd02000-7fa00cf01000 ---p 0003e000 08:03 22020117                   /lib64/libreadline.so.6.2
7fa00cf01000-7fa00cf03000 r--p 0003d000 08:03 22020117                   /lib64/libreadline.so.6.2
7fa00cf03000-7fa00cf09000 rw-p 0003f000 08:03 22020117                   /lib64/libreadline.so.6.2
7fa00cf09000-7fa00cf0b000 rw-p 00000000 00:00 0
7fa00cf0b000-7fa00cf2a000 r-xp 00000000 08:03 22020120                   /lib64/ld-2.13.so
7fa00d103000-7fa00d107000 rw-p 00000000 00:00 0
7fa00d127000-7fa00d12a000 rw-p 00000000 00:00 0
7fa00d12a000-7fa00d12b000 r--p 0001f000 08:03 22020120                   /lib64/ld-2.13.so
7fa00d12b000-7fa00d12c000 rw-p 00020000 08:03 22020120                   /lib64/ld-2.13.so
7fa00d12c000-7fa00d12d000 rw-p 00000000 00:00 0
7fffb896f000-7fffb8990000 rw-p 00000000 00:00 0                          [stack]
7fffb89ff000-7fffb8a00000 r-xp 00000000 00:00 0                          [vdso]
ffffffffff600000-ffffffffff601000 r-xp 00000000 00:00 0                  [vsyscall]

Used: net-ftp/tftp-hpa 5.1 and 5.2
I can get the same file with curl or atftp.


# emerge --info
Portage 2.1.10.44 (default/linux/x86/10.0, gcc-4.5.3, glibc-2.13-r4, 3.2.1-gentoo-r2 x86_64)
=================================================================
System uname: Linux-3.2.1-gentoo-r2-x86_64-Intel-R-_Core-TM-2_Duo_CPU_E7400_@_2.80GHz-with-gentoo-2.0.3
Timestamp of tree: Fri, 24 Feb 2012 01:00:01 +0000
app-shells/bash:          4.1_p9
dev-lang/python:          2.7.2-r3, 3.1.4-r3
dev-util/pkgconfig:       0.26
sys-apps/baselayout:      2.0.3
sys-apps/openrc:          0.9.8.4
sys-apps/sandbox:         2.5
sys-devel/autoconf:       2.68
sys-devel/automake:       1.11.1
sys-devel/binutils:       2.21.1-r1
sys-devel/gcc:            4.5.3-r1
sys-devel/gcc-config:     1.4.1-r1
sys-devel/libtool:        2.4-r1
sys-devel/make:           3.82-r1
sys-kernel/linux-headers: 3.1 (virtual/os-headers)
sys-libs/glibc:           2.13-r4
Repositories: gentoo sunrise betagarden flavour ltsp
ACCEPT_KEYWORDS="x86"
ACCEPT_LICENSE="* -@EULA"
CBUILD="i686-pc-linux-gnu"
CFLAGS="-O2 -march=i686 -pipe"
CHOST="i686-pc-linux-gnu"
CONFIG_PROTECT="/etc /usr/share/config /usr/share/gnupg/qualified.txt /usr/share/openvpn/easy-rsa"
CONFIG_PROTECT_MASK="/etc /etc/ca-certificates.conf /etc/conf.d /etc/env.d /etc/env.d/java/ /etc/fonts/fonts.conf /etc/gconf /etc/gentoo-release /etc/init.d /etc/php/apache2-php5.3/ext-active/ /etc/php/cgi-php5.3/ext-active/ /etc/php/cli-php5.3/ext-active/ /etc/revdep-rebuild /etc/sandbox.d /etc/terminfo /etc/texmf/language.dat.d /etc/texmf/language.def.d /etc/texmf/updmap.d /etc/texmf/web2c"
CXXFLAGS="-O2 -march=i686 -pipe"
DISTDIR="/usr/portage/distfiles"
EMERGE_DEFAULT_OPTS="--usepkg --buildpkg"
FEATURES="assume-digests binpkg-logs buildpkg distlocks ebuild-locks fixlafiles news nodoc noinfo parallel-fetch protect-owned sandbox sfperms strict unknown-features-warn unmerge-logs unmerge-orphans userfetch"
FFLAGS=""
GENTOO_MIRRORS="http://distfiles.gentoo.org"
LANG="en_US.UTF-8"
LC_ALL=""
LDFLAGS="-Wl,-O1 -Wl,--as-needed"
MAKEOPTS="-j2"
PKGDIR="/usr/portage/packages"
PORTAGE_CONFIGROOT="/"
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="/var/lib/layman/sunrise /var/lib/layman/betagarden /var/lib/layman/flavour /var/lib/layman/ltsp"
SYNC="rsync://rsync.gentoo.org/gentoo-portage"
USE="X acl alsa berkdb bzip2 cli cracklib crypt cxx dri fortran gdbm gpm iconv ipv6 modules mudflap ncurses nls nptl nptlonly openmp pam pcre pppd pulseaudio readline session ssl svg sysfs tcpd unicode x86 xml xorg zlib" ALSA_CARDS="ali5451 als4000 atiixp atiixp-modem bt87x ca0106 cmipci emu10k1 emu10k1x ens1370 ens1371 es1938 es1968 fm801 hda-intel intel8x0 intel8x0m maestro3 trident usb-audio via82xx via82xx-modem ymfpci" ALSA_PCM_PLUGINS="adpcm alaw asym copy dmix dshare dsnoop empty extplug file hooks iec958 ioplug ladspa lfloat linear meter mmap_emul 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 cgi cgid 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" CALLIGRA_FEATURES="kexi words flow plan stage tables krita karbon braindump" CAMERAS="ptp2" COLLECTD_PLUGINS="df interface irq load memory rrdtool swap syslog" ELIBC="glibc" GPSD_PROTOCOLS="ashtech aivdm earthmate evermore fv18 garmin garmintxt gpsclock itrax mtk3301 nmea ntrip navcom oceanserver oldstyle oncore rtcm104v2 rtcm104v3 sirf superstar2 timing tsip tripmate tnt ubx" INPUT_DEVICES="keyboard mouse evdev" KERNEL="linux" LCD_DEVICES="bayrad cfontz cfontz633 glk hd44780 lb216 lcdm001 mtxorb ncurses text" PHP_TARGETS="php5-3" RUBY_TARGETS="ruby18" USERLAND="GNU" VIDEO_CARDS="fbdev glint intel mach64 mga neomagic nouveau nv r128 radeon savage sis tdfx trident vesa via vmware dummy v4l" XTABLES_ADDONS="quota2 psd pknock lscan length2 ipv4options ipset ipp2p iface geoip fuzzy condition tee tarpit sysrq steal rawnat logmark ipmark dhcpmac delude chaos account"
Unset:  CPPFLAGS, CTARGET, INSTALL_MASK, LINGUAS, PORTAGE_BUNZIP2_COMMAND, PORTAGE_COMPRESS, PORTAGE_COMPRESS_FLAGS, PORTAGE_RSYNC_EXTRA_OPTS


Reproducible: Always




Similar to https://bugs.archlinux.org/task/28103

[Comment 1 SpanKY 2012-03-01 04:11:49 UTC]

*** This bug has been marked as a duplicate of bug 357083 ***