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Web100srv buffer overflow


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  • From: "Clint Simmons" <>
  • To: <>
  • Subject: Web100srv buffer overflow
  • Date: Fri, 7 May 2010 16:58:02 -0500

This is one I have never seen before…

 

Kernel 2.6.32-web100

ndt-3.6.2b

 

>> 

** Starting test 1 of 1 **

Connecting to 'nms.myappro.com' [nms.myappro.com/172.23.240.4] to run test

Connected to: nms.myappro.com--  Using IPv4 address

Checking for Middleboxes  . . . . . . . . . . . . . . . . . .  Done.

Checking for firewalls . . . . . . . . . . . . . . . . . . .  Done.

running 10s outbound test (client-to-server [C2S]) . . . . . 93.91Mb/s

running 10s inbound test (server-to-client [S2C]) . . . . . . 91.84Mb/s

Server unable to determine bottleneck link type.

<< 

 

 

libweb100: warning: accessing depricated variable AckPktsIn

libweb100: warning: accessing depricated variable AckPktsOut

*** buffer overflow detected ***: /usr/local/sbin/web100srv terminated

======= Backtrace: =========

/lib/tls/i686/cmov/libc.so.6(__fortify_fail+0x48)[0xb779ced8]

/lib/tls/i686/cmov/libc.so.6[0xb779bf10]

/lib/tls/i686/cmov/libc.so.6[0xb779b41e]

/usr/local/sbin/web100srv[0x805d54c]

/usr/local/sbin/web100srv[0x804d695]

/usr/local/sbin/web100srv[0x80515cd]

/lib/tls/i686/cmov/libc.so.6(__libc_start_main+0xe6)[0xb76d2b56]

/usr/local/sbin/web100srv[0x804ab51]

======= Memory map: ========

08048000-0806e000 r-xp 00000000 48:01 3882       /usr/local/sbin/web100srv

0806e000-0806f000 r--p 00025000 48:01 3882       /usr/local/sbin/web100srv

0806f000-08070000 rw-p 00026000 48:01 3882       /usr/local/sbin/web100srv

08070000-08084000 rw-p 00000000 00:00 0

0939b000-093c4000 rw-p 00000000 00:00 0          [heap]

b6663000-b667f000 r-xp 00000000 48:01 635        /lib/libgcc_s.so.1

b667f000-b6680000 r--p 0001b000 48:01 635        /lib/libgcc_s.so.1

b6680000-b6681000 rw-p 0001c000 48:01 635        /lib/libgcc_s.so.1

b6689000-b668a000 ---p 00000000 00:00 0

b668a000-b6e8a000 rw-p 00000000 00:00 0

b6e8a000-b6e8b000 ---p 00000000 00:00 0

b6e8b000-b768b000 rw-p 00000000 00:00 0

b768b000-b768d000 r-xp 00000000 48:01 4112       /lib/libnss_mdns4.so.2

b768d000-b768e000 r--p 00001000 48:01 4112       /lib/libnss_mdns4.so.2

b768e000-b768f000 rw-p 00002000 48:01 4112       /lib/libnss_mdns4.so.2

b768f000-b769f000 r-xp 00000000 48:01 629        /lib/tls/i686/cmov/libresolv-2.10.1.so

b769f000-b76a0000 r--p 00010000 48:01 629        /lib/tls/i686/cmov/libresolv-2.10.1.so

b76a0000-b76a1000 rw-p 00011000 48:01 629        /lib/tls/i686/cmov/libresolv-2.10.1.so

b76a1000-b76a3000 rw-p 00000000 00:00 0

b76a3000-b76a8000 r-xp 00000000 48:01 326        /lib/tls/i686/cmov/libnss_dns-2.10.1.so

b76a8000-b76a9000 r--p 00004000 48:01 326        /lib/tls/i686/cmov/libnss_dns-2.10.1.so

b76a9000-b76aa000 rw-p 00005000 48:01 326        /lib/tls/i686/cmov/libnss_dns-2.10.1.so

b76aa000-b76ac000 r-xp 00000000 48:01 4113       /lib/libnss_mdns4_minimal.so.2

b76ac000-b76ad000 r--p 00001000 48:01 4113       /lib/libnss_mdns4_minimal.so.2

b76ad000-b76ae000 rw-p 00002000 48:01 4113       /lib/libnss_mdns4_minimal.so.2

b76ae000-b76b8000 r-xp 00000000 48:01 599        /lib/tls/i686/cmov/libnss_files-2.10.1.so

b76b8000-b76b9000 r--p 00009000 48:01 599        /lib/tls/i686/cmov/libnss_files-2.10.1.so

b76b9000-b76ba000 rw-p 0000a000 48:01 599        /lib/tls/i686/cmov/libnss_files-2.10.1.so

b76ba000-b76bc000 rw-p 00000000 00:00 0

b76bc000-b77fa000 r-xp 00000000 48:01 232        /lib/tls/i686/cmov/libc-2.10.1.so

b77fa000-b77fb000 ---p 0013e000 48:01 232        /lib/tls/i686/cmov/libc-2.10.1.so

b77fb000-b77fd000 r--p 0013e000 48:01 232        /lib/tls/i686/cmov/libc-2.10.1.so

b77fd000-b77fe000 rw-p 00140000 48:01 232        /lib/tls/i686/cmov/libc-2.10.1.so

b77fe000-b7801000 rw-p 00000000 00:00 0

b7801000-b7815000 r-xp 00000000 48:01 591        /lib/libz.so.1.2.3.3

b7815000-b7816000 r--p 00013000 48:01 591        /lib/libz.so.1.2.3.3

b7816000-b7817000 rw-p 00014000 48:01 591        /lib/libz.so.1.2.3.3

b7817000-b782c000 r-xp 00000000 48:01 628        /lib/tls/i686/cmov/libpthread-2.10.1.so

b782c000-b782d000 r--p 00014000 48:01 628        /lib/tls/i686/cmov/libpthread-2.10.1.so

b782d000-b782e000 rw-p 00015000 48:01 628        /lib/tls/i686/cmov/libpthread-2.10.1.so

b782e000-b7830000 rw-p 00000000 00:00 0

b7830000-b7854000 r-xp 00000000 48:01 287        /lib/tls/i686/cmov/libm-2.10.1.so

b7854000-b7855000 r--p 00023000 48:01 287        /lib/tls/i686/cmov/libm-2.10.1.so

b7855000-b7856000 rw-p 00024000 48:01 287        /lib/tls/i686/cmov/libm-2.10.1.so

b7856000-b7887000 r-xp 00000000 48:01 143756     /usr/lib/libpcap.so.1.0.0

b7887000-b7888000 r--p 00031000 48:01 143756     /usr/lib/libpcap.so.1.0.0

b7888000-b7889000 rw-p 00032000 48:01 143756     /usr/lib/libpcap.so.1.0.0

b788f000-b7891000 rw-p 00000000 00:00 0

b7891000-b7896000 r-xp 00000000 48:01 3954       /usr/local/lib/libweb100.so.0.3.2

b7896000-b7897000 r--p 00004000 48:01 3954       /usr/local/lib/libweb100.so.0.3.2

b7897000-b7898000 rw-p 00005000 48:01 3954       /usr/local/lib/libweb100.so.0.3.2

b7898000-b789a000 rw-p 00000000 00:00 0

b789a000-b789b000 r-xp 00000000 00:00 0          [vdso]

b789b000-b78b6000 r-xp 00000000 48:01 176        /lib/ld-2.10.1.so

b78b6000-b78b7000 r--p 0001a000 48:01 176        /lib/ld-2.10.1.so

b78b7000-b78b8000 rw-p 0001b000 48:01 176        /lib/ld-2.10.1.so

bfb81000-bfb96000 rw-p 00000000 00:00 0          [stack]

 

 

Thanks,

Clint Simmons

 




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