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heap-buffer-overflow in ucl_maybe_parse_number function of ucl_parser.c:1010:28 #309

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Terminator111 opened this issue Jun 9, 2024 · 0 comments
Open

heap-buffer-overflow in ucl_maybe_parse_number function of ucl_parser.c:1010:28 #309

Terminator111 opened this issue Jun 9, 2024 · 0 comments

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@Terminator111
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Terminator111 commented Jun 9, 2024 •
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Build Env

ubuntu 20.04.6
clang 10.0.0-4ubuntu1

Build Steps

export CC=clang
export CFLAGS="-fsanitize=address -g"

cd libucl 
./autogen.sh && ./configure
make

$CC libucl-target.c -g -I ./include ./src/.libs/libucl.a -o libucl-target -lasan
./libucl-target poc

POC Files

poc file:
libucl-target.zip

input:
poc.zip

AddressSanitizer output

image
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@Terminator111