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PSPP-BUG: [bug #61255] heap-buffer-overflow in pspp at segment.c:832
From: |
Irfan Ariq |
Subject: |
PSPP-BUG: [bug #61255] heap-buffer-overflow in pspp at segment.c:832 |
Date: |
Thu, 30 Sep 2021 16:18:27 -0400 (EDT) |
User-agent: |
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/93.0.4577.82 Safari/537.36 |
URL:
<https://savannah.gnu.org/bugs/?61255>
Summary: heap-buffer-overflow in pspp at segment.c:832
Project: PSPP
Submitted by: irfanariq
Submitted on: Thu 30 Sep 2021 08:18:25 PM UTC
Category: None
Severity: 5 - Average
Status: None
Assigned to: None
Open/Closed: Open
Release: None
Discussion Lock: Any
Effort: 0.00
_______________________________________________________
Details:
Hello,
We are currently working on fuzz testing feature, and we found a
**heap-buffer-overflow** on `pspp`.
The stack traces are as follow:
```st
==29396==ERROR: AddressSanitizer: heap-buffer-overflow on address
0x60c000000a80 at pc 0x7f85aeac4b48 bp 0x7ffc7cb19c50 sp 0x7ffc7cb19c40
READ of size 1 at 0x60c000000a80 thread T0
#0 0x7f85aeac4b47 in segmenter_parse_string__
src/language/lexer/segment.c:832
#1 0x7f85aeac57d9 in segmenter_parse_mid_command__
src/language/lexer/segment.c:986
#2 0x7f85aeac8ecd in segmenter_push src/language/lexer/segment.c:1648
#3 0x7f85aeabaf98 in lex_source_get__ src/language/lexer/lexer.c:1376
#4 0x7f85aeab646c in lex_get src/language/lexer/lexer.c:229
#5 0x7f85aeab2e10 in do_parse_command src/language/command.c:247
#6 0x7f85aeab2809 in cmd_parse_in_state src/language/command.c:147
#7 0x7f85aeab28d9 in cmd_parse src/language/command.c:162
#8 0x55e3fdca3e30 in main src/ui/terminal/main.c:136
```
The full stack trace is attached.
**Step to reproduce**
We configured `pspp` using `CFLAGS="-g -O0 -fsanitize=address" CXXFLAGS="-g
-O0 -fsanitize=address" ./configure --prefix=$(pwd)/ --without-cairo
--without-perl-module` and built in using `make -j10`, and run it with:
```
./pspp /dev/null -I device=treminal <attached file> -e format=odt
```
The input file is attached.
**Environment**
- OS: Ubuntu 18.04.5 LTS
- GCC version: gcc 7.5.0
- pspp version: [pspp
1.4.1](http://mirror.yongbok.net/gnu/pspp/pspp-1.4.1.tar.gz)
Thank you.
_______________________________________________________
File Attachments:
-------------------------------------------------------
Date: Thu 30 Sep 2021 08:18:25 PM UTC Name: full_stacktrace_poc_4.zip Size:
1KiB By: irfanariq
<http://savannah.gnu.org/bugs/download.php?file_id=52000>
-------------------------------------------------------
Date: Thu 30 Sep 2021 08:18:25 PM UTC Name: input_pspp_poc_4.zip Size: 304B
By: irfanariq
<http://savannah.gnu.org/bugs/download.php?file_id=52001>
_______________________________________________________
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Irfan Ariq <=