Freeware Advanced Audio Coder (FAAC) version 1.28 suffers from multiple denial of service vulnerabilities.
218a81e0402b3105ee561f7185eff051Freeware Advanced Audio Coder (FAAC) multiple vulnerabilities
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Author : qflb.wu
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Introduction:
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FAAC is an encoder for a lossy sound compression scheme specified in MPEG-2 Part 7 and MPEG-4 Part 3 standards and known as Advanced Audio Coding (AAC). This encoder is useful for producing files that can be played back on iPod. Moreover, iPod does not understand other sound compression schemes in video files.
Affected version:
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1.28
Vulnerability Description:
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1.
the wav_open_read function in frontend/input.c in Freeware Advanced Audio Coder (FAAC) 1.28 can cause a denial of service(large loop) via a crafted wav file.
./faac faac_1.28_wav_open_read_large_loop.wav -o out.aac
POC:
faac_1.28_wav_open_read_large_loop.wav
CVE:
CVE-2017-9129
2.
the faacEncOpen function in libfaac/frame.c in Freeware Advanced Audio Coder (FAAC) 1.28 can cause a denial of service(invalid memory read and application crash) via a crafted wav file.
./faac faac_1.28_faacEncOpen_invalid_memory.wav -o out.aac
ASAN:SIGSEGV
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==49677==ERROR: AddressSanitizer: SEGV on unknown address 0x7f3e959c9b34 (pc 0x7f3e96bf7739 sp 0x7ffe47c93980 bp 0x000000a59e50 T0)
#0 0x7f3e96bf7738 in faacEncOpen /home/a/Downloads/faac-1.28/libfaac/frame.c:368
#1 0x49c444 in main /home/a/Downloads/faac-1.28/frontend/main.c:803
#2 0x7f3e959d3ec4 (/lib/x86_64-linux-gnu/libc.so.6+0x21ec4)
#3 0x49311c in _start (/home/a/Downloads/faac-1.28/frontend/.libs/lt-faac+0x49311c)
AddressSanitizer can not provide additional info.
SUMMARY: AddressSanitizer: SEGV /home/a/Downloads/faac-1.28/libfaac/frame.c:368 faacEncOpen
==49677==ABORTING
POC:
faac_1.28_faacEncOpen_invalid_memory.wav
CVE:
CVE-2017-9130