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Bug 703006 - Segfault in xml_sax_solver_start on a corrupted (fuzzed) gnumeric file
Segfault in xml_sax_solver_start on a corrupted (fuzzed) gnumeric file
Status: RESOLVED FIXED
Product: Gnumeric
Classification: Applications
Component: import/export other
git master
Other Linux
: Normal critical
: ---
Assigned To: Morten Welinder
Jody Goldberg
Depends on:
Blocks:
 
 
Reported: 2013-06-24 18:59 UTC by jutaky
Modified: 2013-06-24 19:33 UTC
See Also:
GNOME target: ---
GNOME version: ---


Description jutaky 2013-06-24 18:59:09 UTC 
Segfault in xml_sax_solver_start on a corrupted (fuzzed) gnumeric file.

Git versions of glib, goffice, gnumeric, libgsf and libxml2.

Test case: http://jutaky.com/fuzzing/gnumeric_case_17903_1415.gnumeric

Program received signal SIGSEGV, Segmentation fault.
0x00007ffff79fb4a7 in xml_sax_solver_start (xin=0x7fffffffe170, attrs=0x8f2090) at xml-sax-read.c:2511
2511		GnmSolverParameters *sp = sheet->solver_parameters;
(gdb) bt

+ Trace 232139

  • #0 xml_sax_solver_start
    at xml-sax-read.c line 2511
  • #1 push_child
    at gsf-libxml.c line 648
  • #2 lookup_child
    at gsf-libxml.c line 684
  • #3 gsf_xml_in_start_element
    at gsf-libxml.c line 758
  • #4 xmlParseStartTag__internal_alias
    at parser.c line 8612
  • #5 xmlParseElement__internal_alias
    at parser.c line 9975
  • #6 xmlParseContent__internal_alias
    at parser.c line 9885
  • #7 xmlParseElement__internal_alias
    at parser.c line 10058
  • #8 xmlParseContent__internal_alias
    at parser.c line 9885
  • #9 xmlParseElement__internal_alias
    at parser.c line 10058
  • #10 xmlParseContent__internal_alias
    at parser.c line 9885
  • #11 xmlParseElement__internal_alias
    at parser.c line 10058
  • #12 xmlParseDocument__internal_alias
    at parser.c line 10742
  • #13 gsf_xml_in_doc_parse
    at gsf-libxml.c line 1289
  • #14 read_file_common
    at xml-sax-read.c line 3345
  • #15 gnm_xml_file_open
    at xml-sax-read.c line 3474
  • #16 go_file_opener_open_real
    at app/file.c line 159
  • #17 go_file_opener_open
    at app/file.c line 417
  • #18 workbook_view_new_from_input
    at workbook-view.c line 1272
  • #19 workbook_view_new_from_uri
    at workbook-view.c line 1332
  • #20 main
    at main-application.c line 321 

--
Juha Kylmänen
Research Assistant, OUSPG
Comment 1 Morten Welinder 2013-06-24 19:33:46 UTC 
This problem has been fixed in our software repository. The fix will go into the next software release. Thank you for your bug report.