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Null Pointer Dereferencing bug in plugins/codecs/ndlz/ndlz8x8.c #522

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rish9101 opened this issue Jun 20, 2023 · 0 comments
Closed

Null Pointer Dereferencing bug in plugins/codecs/ndlz/ndlz8x8.c #522

rish9101 opened this issue Jun 20, 2023 · 0 comments

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@rish9101
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rish9101 commented Jun 20, 2023 •
edited

Describe the bug
Null Pointer Dereferencing at line 465 in plugins/codecs/ndlz/ndlz8x8.c. This is caused due to passing a null ptr to memset.

To Reproduce
Run the fuzzing harness in tests/fuzz fuzz_decompress_chunk with the attached input (in Zip File)
null-ptr-4.zip

Expected behavior

Logs
If applicable, add logs to help explain your problem.

System information:

  • OS: Ubuntu 20.04
  • Compiler: clang-11
  • Version: latest commit on main branch

Additional context
This bug has been found by fuzzing.
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@rish9101