checksec (7) - Linux Manuals

checksec: check executables and kernel properties

NAME

checksec - check executables and kernel properties

SYNOPSIS

checksec [options] [file]

DESCRIPTION

checksec is a bash script used to check the properties of executables (like PIE, RELRO, PaX, Canaries, ASLR, Fortify Source) and kernel security options (like GRSecurity and SELinux).

OPTIONS

-o or --output or --format {cli|csv|xml|json}

Output the results in different formats for ingestion to other applications. NOTE: This option must go before any other options currently

-h or --help

Displays the help text

-f or --file

Checks individual files for security features compiled into the executable

-d or --dir

Recursively checks all executable files in the directory for security features compiled into the executables

-p or --proc

Checks the security features of a running process by name

-pa or --proc-all

Checks the security features of all running processes

-pl or --proc-libs

Checks the security features of the all libraries of a running process ID

-k or --kernel

Checks the security features of the running kernel or a specified kernel config

-ff or --fortify-file

Checks the fortifiability of a file and if any of the fortifiable features have already been compiled into the file

-fp or --fortify-proc

Checks the fortifiability of a running process and if any of the fortifiable features have already been compiled in

--version

Shows the current version of the running software

-u or --update or --upgrade

Checks source for a signed update and updates the application if available

DIAGNOSTICS

The following diagnostics may be issued on stderr:
  Permission Denied.

For most of the checks you must be root..

Debugging

--debug option can be specified for debug level output

AUTHORS

Brian Davis <slimm609 at gmail dot com> Checksec was originally written by Tobias Klein