bugAVR Downloader/UploaDEr - Bugs: bug #54159, Buffer overflow in usbtiny.c

 
 

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bug #54159: Buffer overflow in usbtiny.c

Submitter:  None
Submitted:  Wed 20 Jun 2018 08:47:58 PM UTC
 
Category:  None Severity:  3 - Normal
Priority:  5 - Normal Item Group:  None
Status:  None Privacy:  Public
Assigned to:  None Originator Name:  Marius Greuel
Originator Email:  -email is unavailable- Open/Closed:  Open
Release:  6.3 Programmer hardware:  usbtiny
Device type:  t85

Mon 03 Aug 2020 09:55:18 PM UTC, comment #2: 

comment #1:

> Looks like the same problem as http://savannah.nongnu.org/bugs/?48776


You are correct, please mark this bug as a duplicate.

Marius Greuel <mariusgreuel>
Project Member
Sun 16 Sep 2018 09:41:08 AM UTC, comment #1: 

Looks like the same problem as http://savannah.nongnu.org/bugs/?48776

Kārlis Seņko <karliss>
Wed 20 Jun 2018 08:47:58 PM UTC, original submission:  

There is a bug in usbtiny_paged_load() that causes a read/verify operation to overflow the flash memory buffer and crash the application.

The chunk being read is always 128, regardless of the actual bytes requested or bytes left.

See patch.txt for details.

Anonymous

 

(Note: upload size limit is set to 16384 kB, after insertion of the required escape characters.)

Attached Files
file #44398:  patch.txt added by None (791B - text/plain)

 

Depends on the following items: None found

Items that depend on this one: None found

 

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  • -email is unavailable- added by mariusgreuel (Posted a comment)
  • -email is unavailable- added by karliss (Posted a comment)
  • -email is unavailable- added by None (Submitted the item)
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    Follows 1 latest change.

    Date Changed by Updated Field Previous Value => Replaced by
    2018-06-20 None Attached File- Added patch.txt, #44398

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