Re: [Full-disclosure] annoying bug in Windows XP

[Thierry Zoller <Thierry@xxxxxxxxxxxx>]

Dear Jerome,

AFAIK
A DOS 8.3 extension has 3 characters, del and various
other dos tools ignore everything that has more then
3 chars, so for del .jav is the same as .java

Thierry
http://thierry.sniff-em.com



JA> Hi,

JA> maybe something similar to this:

JA> http://seclists.org/lists/vuln-dev/2005/Feb/0007.html

JA> Frank Dietrich wrote:

>>Hi to all readers,
>>
>>this day I found a annoying misbehavior in Windows XP professional
>>with SP2. 
>>
>>I had a directory with some Java sources (*.java) and some backup
>>files (*.jav). Because I din't longer need the backup files I would
>>delete them with 'del *.jav'. But this command also delete all the
>>source files. #§%*. The last backup was 4 hours ago. :-/
>>
>>So I tried what happen and the result is the command above checks
>>only the first three chars from the extension (DOS is alive).
>>
>>Here is how you can reproduce it:
>>
>>mkdir testbug
>>cd testbug
>>rem.>file1.jav
>>rem.>file2.java
>>rem.>file3.javas
>>del *.jav
>>
>>All three files are deleted. Is this a known bug or a unknown feature?
>>
>>Frank
>>  
>>



-- 
Mit freundlichen Grüßen
Thierry Zoller
mailto:Thierry@xxxxxxxxxxxx


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