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Posted by:lachlancr
Subject:suid/permissions problems, ubuntu 10.10
Date:07:29:29 21/06/2011

I know this comes up an awful lot on these forums, but I'm going to ask the question again. I just installed the latest kismet packages from the project's repositories. I chose to install suidroot as prompted during package installation. The result:

*** KISMET HAS ENCOUNTERED A FATAL ERROR AND CANNOT CONTINUE. ***
Shutting down log files...
FATAL: Failed to launch IPC child: Permission denied
FATAL: Suid-root control binary failed: Permission denied
FATAL: Root IPC control binary has died
FATAL: Could not launch kismet_capture control binary, due to permission errors. To run Kismet suid-root your user MUST BE IN THE 'kismet' GROUP. Use the 'groups command to show what groups your user is in, and consult the Kismet README for more information.

So naturally I double-checked whether or not my account is a member of the kismet group (yes). I then checked the ownership and permissions of kismet_capture in /usr/bin. For reference:

-rwxr-xr-x 1 root root 259 2011-03-29 10:23 kismet
-rwsr-sr-- 1 root kismet 631312 2011-03-29 10:23 kismet_capture
-rwxr-xr-x 1 root root 1477616 2011-03-29 10:23 kismet_client
-rwxr-xr-x 1 root root 735152 2011-03-29 10:23 kismet_drone
-rwxr-xr-x 1 root root 1398160 2011-03-29 10:23 kismet_server

Totally stumped. Problem persists when compiled from source. I've had earlier releases in the newcore branch working on older versions of Ubuntu on this same hardware in the past, so I'm not sure what to do here.


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