ed0e1e4d44
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1.8 KiB
Text
60 lines
No EOL
1.8 KiB
Text
libmad memory corruption vulnerability
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Author : qflb.wu
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===============
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Introduction:
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=============
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libmad is a high-quality MPEG audio decoder capable of 24-bit output.
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Affected version:
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=====
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0.15.1b
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Vulnerability Description:
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==========================
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the mad_decoder_run function in decoder.c in libmad 0.15.1b can cause a denial of service(memory corruption) via a crafted mp3 file.
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I found this bug when I test mpg321 0.3.2 which used the libmad library.
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./mpg321 libmad_0.15.1b_memory_corruption.mp3
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----debug info:----
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Program received signal SIGABRT, Aborted.
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0x00007ffff6bf7cc9 in __GI_raise (sig=sig@entry=6)
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at ../nptl/sysdeps/unix/sysv/linux/raise.c:56
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56../nptl/sysdeps/unix/sysv/linux/raise.c: No such file or directory.
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(gdb) bt
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#0 0x00007ffff6bf7cc9 in __GI_raise (sig=sig@entry=6)
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at ../nptl/sysdeps/unix/sysv/linux/raise.c:56
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#1 0x00007ffff6bfb0d8 in __GI_abort () at abort.c:89
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#2 0x00007ffff6c34394 in __libc_message (do_abort=do_abort@entry=1,
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fmt=fmt@entry=0x7ffff6d42b28 "*** Error in `%s': %s: 0x%s ***\n")
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at ../sysdeps/posix/libc_fatal.c:175
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#3 0x00007ffff6c4066e in malloc_printerr (ptr=<optimized out>,
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str=0x7ffff6d42c58 "double free or corruption (out)", action=1)
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at malloc.c:4996
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#4 _int_free (av=<optimized out>, p=<optimized out>, have_lock=0)
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at malloc.c:3840
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#5 0x00007ffff749ab43 in mad_decoder_run (
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decoder=decoder@entry=0x7fffffffbd20,
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mode=mode@entry=MAD_DECODER_MODE_SYNC) at decoder.c:559
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#6 0x0000000000403d5d in main (argc=<optimized out>, argv=<optimized out>)
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at mpg321.c:1092
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(gdb)
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POC:
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libmad_0.15.1b_memory_corruption.mp3
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CVE:
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CVE-2017-11552
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Proof of Concept:
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https://github.com/offensive-security/exploitdb-bin-sploits/raw/master/bin-sploits/42409.zip |