[sudo-users] env_reset ignored under sudoers plugin?
Gareth.Humphries at WorldPay.com
Mon Oct 3 07:54:04 MDT 2016
I'm working on privileges, and hit up against a situation I don't think should be happening.
We have a centralised sudo config provided by plugin, and I'm trying to lock a user down from changing the environment in it - however I cannot find a setup that disallows -E. In a non-centralised setup I can do this fine with env_reset, but it seems to be ignored in the centralised setup.
$ sudo -l
Matching Defaults entries for testusr on this host:
log_input, log_output, env_reset, always_set_home
Runas and Command-specific defaults for testusr:
User testusr may run the following commands on this host:
(root) NOPASSWD: /sbin/arping
When I run sudo as testusr under this config with -E, I get:
$ sudo -E /sbin/arping -V
arping utility, iputils-sss20071127
I've tried a number configurations, none of them will restrict -E. I can get sudo producing identical output for -l on a standalone host, and it behaves as expected:
$ sudo -E /sbin/arping
sudo: sorry, you are not allowed to preserve the environment
Anyone know what I'm doing wrong? I'm at a loss.
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