I didn't mean to make that statement at you, it was in reference to: > On Sat, 2014-01-18 at 08:53 -0500, Steve Grubb wrote: > > > I have pointed this out for years and no one has wanted to fix > > > it.
Please though, do file a bug, as if you don't, I think you can reset assured, it will be forgotten 'for years'. If you a RHEL customer, please go through support. If not, you can file against a recent upstream kernel. -Eric On Tue, 2014-01-21 at 08:05 +1100, Burn Alting wrote: > Eric, > > I haven't listed one yet, but I will in the next day or two. I will > identify every string and file involved before doing so. I would only > ask, what kernel version should I use as my reference? > > Rgds > > On Mon, 2014-01-20 at 15:25 -0500, Eric Paris wrote: > > What's the bugzilla? > > > > On Sat, 2014-01-18 at 08:53 -0500, Steve Grubb wrote: > > > Hello, > > > > > > On Sat, 18 Jan 2014 20:02:37 +1100 > > > Burn Alting <[email protected]> wrote: > > > > Consider the following raw audit event ... > > > > > > > > node=fedora20.swtf.dyndns.org type=CONFIG_CHANGE > > > > msg=audit(1390028319.573:20803): auid=4294967295 > > > > ses=4294967295 subj=system_u:system_r:auditctl_t:s0 op="remove rule" > > > > key="time-change" list=4 res=1 > > > > > > > > When the auparse library parses this event event, it does not > > > > correctly parse the 'op' value and so both auparse_get_field_str() and > > > > auparse_interpret_field() both return '"remove' rather than 'remove > > > > rule'. > > > > > > Correct. I have pointed this out for years and no one has wanted to fix > > > it. The hex-encoding should only be used on fields that a user can > > > influence, like file names. Since op= is always filled in by actual > > > audit code - which is trusted, it should never _need_ encoding. > > > Anywhere there is an op= and the field has blanks in it, it should be > > > reformatted to have a dash between the words rather than a space. So, > > > you would have remove-rule in your example. Untrusted string should > > > never be used for this. > > > > > > > Now, I seem to recollect an earlier e-mail that would suggest the bug > > > > is in kernel/auditfilter.c:audit_receive_filter() as it calls > > > > audit_log_rule_change() with the string "add rule" or "remove rule". > > > > One assumes we need to perhaps either > > > > a. replace the space with a hyphen in these arguments, or > > > > b. in kernel/auditfilter.c:audit_log_rule_change() replace the call > > > > audit_log_string(ab, action); > > > > with > > > > audit_log_untrustedstring(ab, action); > > > > > > > > If this is the case, then is there any appetite to have these bugs > > > > fixed on the next update to the kernel audit code? > > > > > > Yes please. I have been wanting this fixed for years. Grep all the auit > > > code for this. I seem to recall problems in the ipsec and IMA code. > > > > > > Thanks! > > > > > > -Steve > > > > > > -- > > > Linux-audit mailing list > > > [email protected] > > > https://www.redhat.com/mailman/listinfo/linux-audit > > > > > > -- Linux-audit mailing list [email protected] https://www.redhat.com/mailman/listinfo/linux-audit
