Commit Graph

6 Commits

Author SHA1 Message Date
Harry Maclean
599dc28ffa Add another test for shell interpretation 2021-09-17 17:02:17 +01:00
Harry Maclean
f8359767bc Exclude non-shell interpreted args
Update the CommandInjection query to only consider sinks where the
argument is interpreted by a shell. If the argument is passed directly
to a subprocess then it's not vulnerable to shell injection.
2021-09-17 17:02:17 +01:00
Harry Maclean
c8e9a592f0 Update CLI injection tests
Cover more cases, like sinks after (but not guarded by) barrier guards.
2021-09-17 17:02:17 +01:00
Harry Maclean
fb23a2e3bf Add SubshellHeredocExecution
This is a form of command execution:

    result = <<`EOF`
    echo foo bar #{baz}
    EOF
2021-09-17 17:02:17 +01:00
Harry Maclean
8f65d78cb5 Add Shellwords.escape as CLI injection sanitizer 2021-09-17 17:02:17 +01:00
Harry Maclean
4a0d7c528a Add top-level CLI injection query and tests 2021-09-17 17:02:17 +01:00