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SEGV on unknown address has occurred when running program imgdataopt in function read_png_stream at imgdataopt.c #5

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Du4t opened this issue Jul 10, 2023 · 0 comments
Open

SEGV on unknown address has occurred when running program imgdataopt in function read_png_stream at imgdataopt.c #5

Du4t opened this issue Jul 10, 2023 · 0 comments

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@Du4t
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Du4t commented Jul 10, 2023

Description

SEGV on unknown address has occurred when running program imgdataopt in function read_png_stream at imgdataopt.c:1100

Version

commit 5906ee33826d090e470889b82fdac8f1a0e7c673 (HEAD -> master, origin/master, origin/HEAD)
Author: Peter Szabo <[email protected]>
Date:   Tue Apr 18 19:01:18 2023 +0200

Steps to reproduce

git clone https://github.com/pts/imgdataopt.git
cd imgdataopt
make
./imgdataopt ./poc1 ./test.png

warning: png image data too short

Segmentation fault (core dumped)

POC

https://github.com/GGb0ndQAQ/POC/blob/main/imgdataopt/poc1

Impact

Potentially causing DoS
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@Du4t