* [Bug general/23786] Divide-by-zero Problem in function arlib_add_symbols() in arlib.c in elfutils-0.174
2018-10-17 8:37 [Bug general/23786] New: Divide-by-zero Problem in function arlib_add_symbols() in arlib.c in elfutils-0.174 wcventure at 126 dot com
@ 2018-10-17 8:38 ` wcventure at 126 dot com
2018-10-18 17:03 ` mark at klomp dot org
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From: wcventure at 126 dot com @ 2018-10-17 8:38 UTC (permalink / raw)
To: elfutils-devel
https://sourceware.org/bugzilla/show_bug.cgi?id=23786
--- Comment #2 from wcventure <wcventure at 126 dot com> ---
Created attachment 11337
--> https://sourceware.org/bugzilla/attachment.cgi?id=11337&action=edit
POC2
Please use " ./eu-ranlib $POC " to reproduce this bug. This bug was discovered
by NTU Cyber-Security-Lab, for fuzzing research work. If you have any
questions, please let me know.
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* [Bug general/23786] Divide-by-zero Problem in function arlib_add_symbols() in arlib.c in elfutils-0.174
2018-10-17 8:37 [Bug general/23786] New: Divide-by-zero Problem in function arlib_add_symbols() in arlib.c in elfutils-0.174 wcventure at 126 dot com
2018-10-17 8:38 ` [Bug general/23786] " wcventure at 126 dot com
@ 2018-10-18 17:03 ` mark at klomp dot org
2018-10-19 22:58 ` mark at klomp dot org
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From: mark at klomp dot org @ 2018-10-18 17:03 UTC (permalink / raw)
To: elfutils-devel
https://sourceware.org/bugzilla/show_bug.cgi?id=23786
Mark Wielaard <mark at klomp dot org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |ASSIGNED
Last reconfirmed| |2018-10-18
CC| |mark at klomp dot org
Ever confirmed|0 |1
--- Comment #3 from Mark Wielaard <mark at klomp dot org> ---
Thanks for the report. Proposed fix posted:
https://sourceware.org/ml/elfutils-devel/2018-q4/msg00055.html
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* [Bug general/23786] Divide-by-zero Problem in function arlib_add_symbols() in arlib.c in elfutils-0.174
2018-10-17 8:37 [Bug general/23786] New: Divide-by-zero Problem in function arlib_add_symbols() in arlib.c in elfutils-0.174 wcventure at 126 dot com
2018-10-17 8:38 ` [Bug general/23786] " wcventure at 126 dot com
2018-10-18 17:03 ` mark at klomp dot org
@ 2018-10-19 22:58 ` mark at klomp dot org
2018-11-14 11:50 ` mark at klomp dot org
` (6 subsequent siblings)
9 siblings, 0 replies; 11+ messages in thread
From: mark at klomp dot org @ 2018-10-19 22:58 UTC (permalink / raw)
To: elfutils-devel
https://sourceware.org/bugzilla/show_bug.cgi?id=23786
Mark Wielaard <mark at klomp dot org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|ASSIGNED |RESOLVED
Resolution|--- |FIXED
--- Comment #4 from Mark Wielaard <mark at klomp dot org> ---
commit 2b16a9be69939822dcafe075413468daac98b327
Author: Mark Wielaard <mark@klomp.org>
Date: Thu Oct 18 19:01:52 2018 +0200
arlib: Check that sh_entsize isn't zero.
A bogus ELF file could have sh_entsize as zero. Don't divide by zero,
but just assume there are no symbols in the section.
https://sourceware.org/bugzilla/show_bug.cgi?id=23786
Signed-off-by: Mark Wielaard <mark@klomp.org>
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* [Bug general/23786] Divide-by-zero Problem in function arlib_add_symbols() in arlib.c in elfutils-0.174
2018-10-17 8:37 [Bug general/23786] New: Divide-by-zero Problem in function arlib_add_symbols() in arlib.c in elfutils-0.174 wcventure at 126 dot com
` (2 preceding siblings ...)
2018-10-19 22:58 ` mark at klomp dot org
@ 2018-11-14 11:50 ` mark at klomp dot org
2018-11-14 11:56 ` [Bug tools/23786] " mark at klomp dot org
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9 siblings, 0 replies; 11+ messages in thread
From: mark at klomp dot org @ 2018-11-14 11:50 UTC (permalink / raw)
To: elfutils-devel
https://sourceware.org/bugzilla/show_bug.cgi?id=23786
--- Comment #5 from Mark Wielaard <mark at klomp dot org> ---
For reference this was assigned CVE-2018-18521.
Note that this bug was not in a generic library, just in the code shared by the
eu-ar and eu-ranlib binaries.
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* [Bug tools/23786] Divide-by-zero Problem in function arlib_add_symbols() in arlib.c in elfutils-0.174
2018-10-17 8:37 [Bug general/23786] New: Divide-by-zero Problem in function arlib_add_symbols() in arlib.c in elfutils-0.174 wcventure at 126 dot com
` (3 preceding siblings ...)
2018-11-14 11:50 ` mark at klomp dot org
@ 2018-11-14 11:56 ` mark at klomp dot org
2020-03-16 9:10 ` mda.feedbck at gmail dot com
` (4 subsequent siblings)
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From: mark at klomp dot org @ 2018-11-14 11:56 UTC (permalink / raw)
To: elfutils-devel
https://sourceware.org/bugzilla/show_bug.cgi?id=23786
Mark Wielaard <mark at klomp dot org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Component|general |tools
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* [Bug tools/23786] Divide-by-zero Problem in function arlib_add_symbols() in arlib.c in elfutils-0.174
2018-10-17 8:37 [Bug general/23786] New: Divide-by-zero Problem in function arlib_add_symbols() in arlib.c in elfutils-0.174 wcventure at 126 dot com
` (4 preceding siblings ...)
2018-11-14 11:56 ` [Bug tools/23786] " mark at klomp dot org
@ 2020-03-16 9:10 ` mda.feedbck at gmail dot com
2020-08-21 9:42 ` scottswayer at gmail dot com
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From: mda.feedbck at gmail dot com @ 2020-03-16 9:10 UTC (permalink / raw)
To: elfutils-devel
https://sourceware.org/bugzilla/show_bug.cgi?id=23786
alaha <mda.feedbck at gmail dot com> changed:
What |Removed |Added
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CC| |mda.feedbck at gmail dot com
--- Comment #6 from alaha <mda.feedbck at gmail dot com> ---
Bully Anniversary Edition: https://modandroidapk.com/bully-anniversary-edition/
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* [Bug tools/23786] Divide-by-zero Problem in function arlib_add_symbols() in arlib.c in elfutils-0.174
2018-10-17 8:37 [Bug general/23786] New: Divide-by-zero Problem in function arlib_add_symbols() in arlib.c in elfutils-0.174 wcventure at 126 dot com
` (5 preceding siblings ...)
2020-03-16 9:10 ` mda.feedbck at gmail dot com
@ 2020-08-21 9:42 ` scottswayer at gmail dot com
2020-11-22 14:50 ` hegdemegha216 at gmail dot com
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From: scottswayer at gmail dot com @ 2020-08-21 9:42 UTC (permalink / raw)
To: elfutils-devel
https://sourceware.org/bugzilla/show_bug.cgi?id=23786
Scott Swayer <scottswayer at gmail dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |scottswayer at gmail dot com
--- Comment #7 from Scott Swayer <scottswayer at gmail dot com> ---
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* [Bug tools/23786] Divide-by-zero Problem in function arlib_add_symbols() in arlib.c in elfutils-0.174
2018-10-17 8:37 [Bug general/23786] New: Divide-by-zero Problem in function arlib_add_symbols() in arlib.c in elfutils-0.174 wcventure at 126 dot com
` (6 preceding siblings ...)
2020-08-21 9:42 ` scottswayer at gmail dot com
@ 2020-11-22 14:50 ` hegdemegha216 at gmail dot com
2021-01-13 18:29 ` ittech.euh at gmail dot com
2021-01-13 19:09 ` mark at klomp dot org
9 siblings, 0 replies; 11+ messages in thread
From: hegdemegha216 at gmail dot com @ 2020-11-22 14:50 UTC (permalink / raw)
To: elfutils-devel
https://sourceware.org/bugzilla/show_bug.cgi?id=23786
megha <hegdemegha216 at gmail dot com> changed:
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CC| |hegdemegha216 at gmail dot com
--- Comment #8 from megha <hegdemegha216 at gmail dot com> ---
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* [Bug tools/23786] Divide-by-zero Problem in function arlib_add_symbols() in arlib.c in elfutils-0.174
2018-10-17 8:37 [Bug general/23786] New: Divide-by-zero Problem in function arlib_add_symbols() in arlib.c in elfutils-0.174 wcventure at 126 dot com
` (7 preceding siblings ...)
2020-11-22 14:50 ` hegdemegha216 at gmail dot com
@ 2021-01-13 18:29 ` ittech.euh at gmail dot com
2021-01-13 19:09 ` mark at klomp dot org
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From: ittech.euh at gmail dot com @ 2021-01-13 18:29 UTC (permalink / raw)
To: elfutils-devel
https://sourceware.org/bugzilla/show_bug.cgi?id=23786
EagleEye404 <ittech.euh at gmail dot com> changed:
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CC| |ittech.euh at gmail dot com
--- Comment #9 from EagleEye404 <ittech.euh at gmail dot com> ---
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* [Bug tools/23786] Divide-by-zero Problem in function arlib_add_symbols() in arlib.c in elfutils-0.174
2018-10-17 8:37 [Bug general/23786] New: Divide-by-zero Problem in function arlib_add_symbols() in arlib.c in elfutils-0.174 wcventure at 126 dot com
` (8 preceding siblings ...)
2021-01-13 18:29 ` ittech.euh at gmail dot com
@ 2021-01-13 19:09 ` mark at klomp dot org
9 siblings, 0 replies; 11+ messages in thread
From: mark at klomp dot org @ 2021-01-13 19:09 UTC (permalink / raw)
To: elfutils-devel
https://sourceware.org/bugzilla/show_bug.cgi?id=23786
Mark Wielaard <mark at klomp dot org> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC|elfutils-devel at sourceware dot o |
|rg, |
|hegdemegha216 at gmail dot com, |
|ittech.euh at gmail dot com, |
|mda.feedbck at gmail dot com, |
|scottswayer at gmail dot com |
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