GNOME Bugzilla – Bug 751908
Out-of-bounds read in ms-chart.c:2764 on a fuzzed xls file
Last modified: 2015-07-03 19:10:28 UTC
Git versions of glib, goffice, gnumeric, libgsf and libxml2. Test case: http://jutaky.com/fuzzing/gnumeric_case_002-ms-chart.c.2764.xls $ ssconvert gnumeric_case_002-ms-chart.c.2764.xls /tmp/out.gnumeric ==31698==ERROR: AddressSanitizer: SEGV on unknown address 0x000000000018 (pc 0x7f40f5429b08 bp 0x7ffef882b7d0 sp 0x7ffef8829720 T0) #0 0x7f40f5429b07 in xl_chart_read_end gnumeric/gnumeric/plugins/excel/ms-chart.c:2764:15 #1 0x7f40f53bc6e3 in ms_excel_chart_read gnumeric/gnumeric/plugins/excel/ms-chart.c:3779:14 #2 0x7f40f51f5ccd in excel_read_BOF gnumeric/gnumeric/plugins/excel/ms-excel-read.c:7110:4 #3 0x7f40f51f0bc5 in excel_read_workbook gnumeric/gnumeric/plugins/excel/ms-excel-read.c:7211:4 #4 0x7f40f5184221 in excel_enc_file_open gnumeric/gnumeric/plugins/excel/boot.c:170:4 #5 0x7f40f5185c74 in excel_file_open gnumeric/gnumeric/plugins/excel/boot.c:273:2 #6 0x7f4119ddde30 in go_plugin_loader_module_func_file_open gnumeric/goffice/goffice/app/go-plugin-loader-module.c:282:3 #7 0x7f4119df19b4 in go_plugin_file_opener_open gnumeric/goffice/goffice/app/go-plugin-service.c:685:2 #8 0x7f4119dff1c8 in go_file_opener_open gnumeric/goffice/goffice/app/file.c:417:2 #9 0x7f411b77e854 in workbook_view_new_from_input gnumeric/gnumeric/src/workbook-view.c:1278:3 #10 0x7f411b77f440 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 0x7f411421a78f 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:2764 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.