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Bug 750810 - Segfault in ms-excel-read.c:3541 on a fuzzed xls file
Segfault in ms-excel-read.c:3541 on a fuzzed xls file
Status: RESOLVED FIXED
Product: Gnumeric
Classification: Applications
Component: import/export MS Excel (tm)
git master
Other Linux
: Normal critical
: ---
Assigned To: Jody Goldberg
Jody Goldberg
http://jutaky.com/fuzzing/gnumeric_ca...
Depends on:
Blocks:
 
 
Reported: 2015-06-11 20:21 UTC by jutaky
Modified: 2015-06-12 00:24 UTC
See Also:
GNOME target: ---
GNOME version: ---


Description jutaky 2015-06-11 20:21:52 UTC 
Git versions of glib, goffice, gnumeric, libgsf and libxml2.

Test case: http://jutaky.com/fuzzing/gnumeric_case_ms-excel-read.c.3541.xls

$ ssconvert gnumeric_case_ms-excel-read.c.3541.xls /tmp/out.gnumeric

==8542==ERROR: AddressSanitizer: SEGV on unknown address 0x6113d70fae20 (pc 0x7f9e2f0c8b79 bp 0x7fff2a662770 sp 0x7fff2a661f00 T0)
    #0 0x7f9e2f0c8b78 in gnm_xl_importer_free gnumeric/gnumeric/plugins/excel/ms-excel-read.c:3541:8
    #1 0x7f9e2f06606c in excel_read_workbook gnumeric/gnumeric/plugins/excel/ms-excel-read.c:7355:2
    #2 0x7f9e2efb1c95 in excel_enc_file_open gnumeric/gnumeric/plugins/excel/boot.c:193:2
    #3 0x7f9e2efb3554 in excel_file_open gnumeric/gnumeric/plugins/excel/boot.c:273:2
    #4 0x7f9e54a2f5e8 in go_plugin_loader_module_func_file_open gnumeric/goffice/goffice/app/go-plugin-loader-module.c:282:3
    #5 0x7f9e54a4ee4d in go_plugin_file_opener_open gnumeric/goffice/goffice/app/go-plugin-service.c:685:2
    #6 0x7f9e54a6365b in go_file_opener_open gnumeric/goffice/goffice/app/file.c:417:2
    #7 0x7f9e57adc297 in workbook_view_new_from_input gnumeric/gnumeric/src/workbook-view.c:1278:3
    #8 0x7f9e57adce80 in workbook_view_new_from_uri gnumeric/gnumeric/src/workbook-view.c:1337:9
    #9 0x4e7171 in convert gnumeric/gnumeric/src/ssconvert.c:715:9
    #10 0x4e49fc in main gnumeric/gnumeric/src/ssconvert.c:903:9
    #11 0x7f9e4e99778f in __libc_start_main (/usr/lib/libc.so.6+0x2078f)
    #12 0x438988 in _start (apps/bin/ssconvert+0x438988)

AddressSanitizer can not provide additional info.
SUMMARY: AddressSanitizer: SEGV gnumeric/gnumeric/plugins/excel/ms-excel-read.c:3541 gnm_xl_importer_free

--
Juha Kylmänen
Comment 1 Morten Welinder 2015-06-12 00:24:58 UTC 
This problem has been fixed in our software repository. The fix will go into the next software release. Once that release is available, you may want to check for a software upgrade provided by your Linux distribution.