[rescue] SGI fw_sshd and security

Dave McGuire mcguire at neurotica.com
Sun Mar 7 12:38:36 CST 2004


On Mar 7, 2004, at 4:20 AM, Jonathan C. Patschke wrote:
>> We had a discussion at $WORK some days ago about whether to link zlib
>> dynamically or statically. We decided to load it dynamically because 
>> of
>> _security reasons_ - when a security bug was found in zlib, it was a
>> pain in the ass to recompile every binary that linked zlib statically
>> and on some machines some binaries were probably still left 
>> vulnerable.
>
> Look at it from the other way.  What if someone finds a way to 
> overwrite
> libwrap.so with a trojaned one by use of a local exploit?  Keep in mind
> that most code that uses libwrap.so tends to also have root privileges
> and be associated with a network connection.

   I hate to point this out, but generally speaking, someone needs to 
already own the box to overwrite libwrap.so.

         -Dave

--
Dave McGuire                      "My tummy hurts now, but my soul
Cape Coral, FL                   feels a little better."     -Ed



More information about the rescue mailing list