GNOME Bugzilla – Bug 751945
Out-of-bounds read in ms-chart.c:2749 on a fuzzed xls file
Last modified: 2015-07-04 14:28:36 UTC
Git versions of glib, goffice, gnumeric, libgsf and libxml2. Test case: http://jutaky.com/fuzzing/gnumeric_case_008-ms-chart.c.2749.xls $ ssconvert gnumeric_case_008-ms-chart.c.2749.xls /tmp/out.gnumeric ==26910==ERROR: AddressSanitizer: SEGV on unknown address 0x000000000018 (pc 0x7f109eadecf0 bp 0x7ffdf870a4f0 sp 0x7ffdf8708400 T0) #0 0x7f109eadecef in xl_chart_read_end gnumeric/gnumeric/plugins/excel/ms-chart.c:2749:14 #1 0x7f109ea72af3 in ms_excel_chart_read gnumeric/gnumeric/plugins/excel/ms-chart.c:3814:14 #2 0x7f109e8ac0dd in excel_read_BOF gnumeric/gnumeric/plugins/excel/ms-excel-read.c:7110:4 #3 0x7f109e8a6fd5 in excel_read_workbook gnumeric/gnumeric/plugins/excel/ms-excel-read.c:7211:4 #4 0x7f109e83a241 in excel_enc_file_open gnumeric/gnumeric/plugins/excel/boot.c:170:4 #5 0x7f109e83bc94 in excel_file_open gnumeric/gnumeric/plugins/excel/boot.c:273:2 #6 0x7f10c3494f20 in go_plugin_loader_module_func_file_open gnumeric/goffice/goffice/app/go-plugin-loader-module.c:282:3 #7 0x7f10c34a8aa4 in go_plugin_file_opener_open gnumeric/goffice/goffice/app/go-plugin-service.c:685:2 #8 0x7f10c34b62b8 in go_file_opener_open gnumeric/goffice/goffice/app/file.c:417:2 #9 0x7f10c4e35874 in workbook_view_new_from_input gnumeric/gnumeric/src/workbook-view.c:1278:3 #10 0x7f10c4e36460 in workbook_view_new_from_uri gnumeric/gnumeric/src/workbook-view.c:1337:9 #11 0x4e1031 in convert gnumeric/gnumeric/src/ssconvert.c:721:9 #12 0x4ded93 in main gnumeric/gnumeric/src/ssconvert.c:913:9 #13 0x7f10bd8d178f in __libc_start_main (/usr/lib/libc.so.6+0x2078f) #14 0x437c58 in _start (apps/bin/ssconvert+0x437c58) AddressSanitizer can not provide additional info. SUMMARY: AddressSanitizer: SEGV gnumeric/gnumeric/plugins/excel/ms-chart.c:2749 xl_chart_read_end -- Juha Kylmänen
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.