When Libre Office crashes with calc open, it will prompt recovery when restarting the program. Document recovery will remove any password protection on that document. In order to maintain a password after recovery you need to save as in order to recheck the password option and re-enter the desired password.
This is a huge issue if anyone that really wants to get into a document that is password protected could potentially figure out how to use this exploit to eliminate any password protection.
Steps to Reproduce:
1.Open a file that is password protected
2.End task through task manager
4.Perform document recovery
7.Reopen document and notice lack of password protection
Document goes from password protected to not requiring a password until user Save As document and ensures password option is checked.
User Profile Reset: No
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:60.0) Gecko/20100101 Firefox/60.0
Created attachment 142543 [details]
I can't reproduce it in LibreOffice 188.8.131.52
I can't reproduce it in
Id. de compilación: 9b0d9b32d5dcda91d2f1a96dc04c645c450872bf
Subprocs. CPU: 1; SO: Windows 6.1; Repres. IU: predet.;
Configuración regional: es-ES (es_ES); Calc: group
LibreOffice asks me for the password before recovering the file...
Thank you for reporting the bug. Please attach a sample document, as this makes it easier for us to verify the bug.
(Please note that the attachment will be public, remove any sensitive information before attaching it.
See https://wiki.documentfoundation.org/QA/FAQ#How_can_I_eliminate_confidential_data_from_a_sample_document.3F for help on how to do so.)
I have set the bug's status to 'NEEDINFO'. Please change it back to 'UNCONFIRMED' once the requested document is provided.
Created attachment 142548 [details]
Sample calc worksheet saved as excel 2007-2013
Password is helicopter.
1. Open the file
2. Make a change
3. Kill it through task manager (currently using windows 10). Killing the task is as close as I can come to reproducing libre office crashing/needing to be ended due to being non responsive.
4. reopen calc to initiate recovery
5. it will ask for the password
6. if you just save it after recovery the file will no longer have a password.
(In reply to nathanfishercontact from comment #3)
1. Open the file with password: helicopter
2. Make a change
3. Kill it through task manager
4. Reopen calc to initiate recovery
5. Press "Start" & Enter password: helicopter
6. Save the file again
7. File -> Reload -> No password prompt (or password)
Not sure if this intended or not..
Build ID: b292a27698e85fd9d60c03613c3b0c67835c4dc1
CPU threads: 4; OS: Windows 6.3; UI render: default;
TinderBox: Win-x86@42, Branch:master, Time: 2018-06-07_00:23:34
Locale: nl-NL (nl_NL); Calc: CL
Confirmed on windows 7 x64 with Version: 184.108.40.206 (x64)
Build ID: 0588a1cb9a40c4a6a029e1d442a2b9767d612751
CPU threads: 3; OS: Windows 6.1; UI render: default
and with LibreOffice 3.3.4
Not only is the 'save with password' box unticked, but also all the previous changes has been gone. Maybe it's intended that the file is just reloaded when dealing with password protected files, but atleast the password box should be ticked on reload then.
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If the bug is present, please leave a comment that includes the information from Help - About LibreOffice.
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this .xlsx case got fixed
*** This bug has been marked as a duplicate of bug 93389 ***