kern/160611: lzjb_uncompress possible access violation?

Radio Młodych Bandytów radiomlodychbandytow at
Sat Sep 10 06:30:11 UTC 2011

>Number:         160611
>Category:       kern
>Synopsis:       lzjb_uncompress possible access violation?
>Confidential:   no
>Severity:       non-critical
>Priority:       low
>Responsible:    freebsd-bugs
>State:          open
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Sat Sep 10 06:30:10 UTC 2011
>Originator:     Radio Młodych Bandytów
>Release:        8.2
As far as I can see, when checksumming is turned off or there's a collision, it is possible that lzjb_uncompress is fed with corrupted data. Source length is entirely ignored and since source has to be shorter than dest, it is broken. 



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