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Re: [Bacula-devel] Debian Bacula vuln

On Dec 9, 2008, at 9:19 AM, Dan Langille wrote:

> "The possibility of attack with the help of symlinks in some Debian
> packages"
> I heard about the first URL, which leads to the other two:
> http://web.nvd.nist.gov/view/vuln/detail?execution=e4s1
> http://lists.debian.org/debian-devel/2008/08/msg00347.html
> http://uvw.ru/report.sid.txt
> Short version: It's a packaging problem, not a Bacula problem but I
> have not confirmed this.

It's the same problem that's existed forever on Unix systems.

Basically, if you write a file into /tmp, well, anyone can write into / 
tmp, so if they get there first and create a symlink using the  
filename you're going to open and write, then you're writing to  
something they control.


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