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Tasks related to enhancing the security of Phabricator.

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Apr 30 2020

adrelanos added a watcher for Security: adrelanos.
Apr 30 2020, 7:59 PM

Jul 31 2019

epriestley closed T13350: Ancient "slowvote.info" API method bypasses policy checks as Resolved by committing rP2ec39afcd12b: Deprecate ancient "slowvote.info" API method.
Jul 31 2019, 6:28 PM · Slowvote, Security
epriestley added a revision to T13350: Ancient "slowvote.info" API method bypasses policy checks: D20687: Deprecate ancient "slowvote.info" API method.
Jul 31 2019, 6:26 PM · Slowvote, Security
epriestley added a revision to T13350: Ancient "slowvote.info" API method bypasses policy checks: D20686: Fix two minor display issues with the Conduit "*.search" API documentation.
Jul 31 2019, 6:22 PM · Slowvote, Security
epriestley added a revision to T13350: Ancient "slowvote.info" API method bypasses policy checks: D20685: Add a "slowvote.poll.search" API method.
Jul 31 2019, 6:17 PM · Slowvote, Security

Jul 30 2019

epriestley added a revision to T13350: Ancient "slowvote.info" API method bypasses policy checks: D20684: Fix policy behavior of "slowvote.info" API method.
Jul 30 2019, 6:53 PM · Slowvote, Security
epriestley triaged T13350: Ancient "slowvote.info" API method bypasses policy checks as Low priority.
Jul 30 2019, 6:46 PM · Slowvote, Security

Jul 15 2019

amckinley closed T7667: Provide `auth lock` and `auth unlock` to restrict authentication provider management to the CLI, a subtask of T6755: Allow more granular configuration of `security.allow-outbound-http`, as Resolved.
Jul 15 2019, 6:53 PM · Security
amckinley closed T7667: Provide `auth lock` and `auth unlock` to restrict authentication provider management to the CLI as Resolved by committing rP7852adb84bbe: Actually enforce auth.lock-config.
Jul 15 2019, 6:53 PM · Auth, Security

Jul 10 2019

amckinley added a revision to T7667: Provide `auth lock` and `auth unlock` to restrict authentication provider management to the CLI: D20645: Actually enforce auth.lock-config.
Jul 10 2019, 3:05 PM · Auth, Security

Apr 18 2019

epriestley added a revision to T7667: Provide `auth lock` and `auth unlock` to restrict authentication provider management to the CLI: Restricted Differential Revision.
Apr 18 2019, 2:05 PM · Auth, Security
epriestley added a comment to T7667: Provide `auth lock` and `auth unlock` to restrict authentication provider management to the CLI.

This could be made slightly cleaner with a setSummary() to set a shorter summary:

Apr 18 2019, 2:02 PM · Auth, Security
epriestley added a revision to T7667: Provide `auth lock` and `auth unlock` to restrict authentication provider management to the CLI: D20447: Don't warn about a locked database value after users run "bin/auth lock".
Apr 18 2019, 12:24 AM · Auth, Security
epriestley added a comment to T7667: Provide `auth lock` and `auth unlock` to restrict authentication provider management to the CLI.

hmmmmmm

Apr 18 2019, 12:21 AM · Auth, Security

Apr 11 2019

amckinley added a revision to T7667: Provide `auth lock` and `auth unlock` to restrict authentication provider management to the CLI: D20400: Some formatting changes for showing auth provider config guidance.
Apr 11 2019, 8:16 PM · Auth, Security

Apr 10 2019

amckinley added a revision to T7667: Provide `auth lock` and `auth unlock` to restrict authentication provider management to the CLI: D20394: Add a workflow and a new config option for locking authentication providers.
Apr 10 2019, 10:35 PM · Auth, Security

Feb 2 2019

epriestley renamed T13245: Improve MFA security by using replacing SMS code digits with emoji from Improve MFA security by using replacing digits with emoji to Improve MFA security by using replacing SMS code digits with emoji.
Feb 2 2019, 6:46 PM · Security
epriestley triaged T13245: Improve MFA security by using replacing SMS code digits with emoji as Low priority.
Feb 2 2019, 6:46 PM · Security

Jan 29 2019

epriestley added a comment to T6994: Write a general "Security guidelines" document.

Some guidance about "configure captchas if you're a public-facing, password-login install" would be good here too

Jan 29 2019, 7:21 PM · Security

Jan 25 2019

epriestley added a revision to T7667: Provide `auth lock` and `auth unlock` to restrict authentication provider management to the CLI: D20038: Require MFA to edit MFA providers.
Jan 25 2019, 6:45 PM · Auth, Security
epriestley added a comment to T7667: Provide `auth lock` and `auth unlock` to restrict authentication provider management to the CLI.

After T13222, this is more relevant:

Jan 25 2019, 6:31 PM · Auth, Security
epriestley added a comment to T13138: Improve consistency of MFA requirements to invite/approve users.

From T13222, MFA on related flows should generally be updated.

Jan 25 2019, 6:28 PM · People, Security
epriestley updated the task description for T13241: Guide: SMS is Insecure.
Jan 25 2019, 3:57 PM · Security, Guides

Jan 21 2019

epriestley closed T13238: Disallow MYSQLI_OPT_LOCAL_INFILE as Resolved by committing rPHU1d3b33d4ccbf: Move "options(MYSQLI_OPT_LOCAL_INFILE, ...)" call after "real_connect()".
Jan 21 2019, 6:33 PM · Infrastructure, Security
epriestley added a revision to T13238: Disallow MYSQLI_OPT_LOCAL_INFILE: D20004: Move "options(MYSQLI_OPT_LOCAL_INFILE, ...)" call after "real_connect()".
Jan 21 2019, 3:38 PM · Infrastructure, Security
epriestley added a comment to T13238: Disallow MYSQLI_OPT_LOCAL_INFILE.

Thanks! I get the same behavior locally, I filed this upstream: https://bugs.php.net/bug.php?id=77496

Jan 21 2019, 3:34 PM · Infrastructure, Security
vrana added a comment to T13238: Disallow MYSQLI_OPT_LOCAL_INFILE.

I can't get MYSQLI_OPT_LOCAL_INFILE to work on secure, either. I tried on secure001 and secure004 (where the database is not local). As far as I can tell, this option doesn't do anything, anywhere, ever?

Jan 21 2019, 8:27 AM · Infrastructure, Security

Jan 20 2019

epriestley lowered the priority of T13238: Disallow MYSQLI_OPT_LOCAL_INFILE from Low to Wishlist.

We're probably done here, but ideally the next steps are:

Jan 20 2019, 3:14 PM · Infrastructure, Security

Jan 18 2019

epriestley added a revision to T13238: Disallow MYSQLI_OPT_LOCAL_INFILE: Restricted Differential Revision.
Jan 18 2019, 5:40 PM · Infrastructure, Security
epriestley added a revision to T13238: Disallow MYSQLI_OPT_LOCAL_INFILE: D19999: Add setup warnings for "local_infile" (MySQL Server) and "mysql[i].allow_local_infile" (PHP Client).
Jan 18 2019, 5:37 PM · Infrastructure, Security
epriestley added a comment to T13238: Disallow MYSQLI_OPT_LOCAL_INFILE.

Maybe another point in favor of this claim is that the option does not work is the behavior of this:

Jan 18 2019, 5:02 PM · Infrastructure, Security
epriestley added a comment to T13238: Disallow MYSQLI_OPT_LOCAL_INFILE.

I think that maybe mysql_nonapi.c just overrides the conn->options() call? Near line 269 of PHP 7.2.3:

Jan 18 2019, 4:57 PM · Infrastructure, Security
epriestley added a comment to T13238: Disallow MYSQLI_OPT_LOCAL_INFILE.

I can't get MYSQLI_OPT_LOCAL_INFILE to work on secure, either. I tried on secure001 and secure004 (where the database is not local). As far as I can tell, this option doesn't do anything, anywhere, ever? I'm going to look at the source and see if I can figure out what's going on, but I'll back it out of D19998 if I can't find some evidence that it's useful.

Jan 18 2019, 4:49 PM · Infrastructure, Security
epriestley added a revision to T13238: Disallow MYSQLI_OPT_LOCAL_INFILE: D19998: Set MYSQLI_OPT_LOCAL_INFILE (which appears to have no effect) and raise unusual query errors more clearly.
Jan 18 2019, 4:37 PM · Infrastructure, Security
epriestley added a comment to T13238: Disallow MYSQLI_OPT_LOCAL_INFILE.

I'm unable to get the MySQLi option MYSQLI_OPT_LOCAL_INFILE to actually work. Here's the script I'm using:

Jan 18 2019, 4:15 PM · Infrastructure, Security
epriestley added a comment to T13238: Disallow MYSQLI_OPT_LOCAL_INFILE.

It looks like we don't need to do anything about mysql on the CLI since this option is, thankfully, not enabled by default:

Jan 18 2019, 4:04 PM · Infrastructure, Security
epriestley triaged T13238: Disallow MYSQLI_OPT_LOCAL_INFILE as Low priority.
Jan 18 2019, 4:01 PM · Infrastructure, Security

Jan 16 2019

epriestley closed T13234: Application email addresses may shadow user email addresses as Resolved by committing rPc5f446defb52: Prevent application email addresses from shadowing user email addresses.
Jan 16 2019, 9:28 PM · Mail, Security

Jan 15 2019

epriestley updated the task description for T13234: Application email addresses may shadow user email addresses.
Jan 15 2019, 2:37 PM · Mail, Security
epriestley added a revision to T13234: Application email addresses may shadow user email addresses: D19974: Prevent application email addresses from shadowing user email addresses.
Jan 15 2019, 2:35 PM · Mail, Security
epriestley added a comment to T13234: Application email addresses may shadow user email addresses.

Performing this "attack" requires administrator privileges and probably some weird social engineering around making the "Reply All" happen.

Jan 15 2019, 2:23 PM · Mail, Security

Jan 14 2019

epriestley moved T13234: Application email addresses may shadow user email addresses from Backlog to Soon? on the Mail board.
Jan 14 2019, 5:19 PM · Mail, Security
epriestley moved T12046: PHPMailer RCE [CVE-2016-10033 and CVE-2016-10045] from Future to Infrastructure on the Mail board.
Jan 14 2019, 4:55 PM · Mail, Security

Jan 4 2019

epriestley added a comment to T13234: Application email addresses may shadow user email addresses.

When Phabricator receives the mail, it doesn't know which "To" or "Cc" actually caused delivery

Jan 4 2019, 10:45 PM · Mail, Security
epriestley triaged T13234: Application email addresses may shadow user email addresses as Low priority.
Jan 4 2019, 10:39 PM · Mail, Security

Jan 3 2019

epriestley added a revision to T12509: Plan the path forward from HMAC-SHA1: D19946: Remove "phabricator.csrf-key" and upgrade CSRF hashing to SHA256.
Jan 3 2019, 2:08 PM · Infrastructure, Security
epriestley added a comment to T12509: Plan the path forward from HMAC-SHA1.

In moving forward here, we're generally moving from manually-configured HMAC keys to automatic ones. This is generally good: it's simpler (less configuration); and I believe almost no one configured the old ones, so installs now actually get unique HMAC keys; and the new keys have more entropy, too.

Jan 3 2019, 1:25 PM · Infrastructure, Security
epriestley added a comment to T6994: Write a general "Security guidelines" document.

See a note in T12509 about HMAC key regeneration.

Jan 3 2019, 1:21 PM · Security
epriestley added a revision to T12509: Plan the path forward from HMAC-SHA1: D19945: Upgrade object reply addresses to SHA256 and remove "phabricator.mail-key".
Jan 3 2019, 1:18 PM · Infrastructure, Security

Jan 2 2019

epriestley added a revision to T12509: Plan the path forward from HMAC-SHA1: D19941: Remove an old digest in Celerity code and some obsolete configuration options.
Jan 2 2019, 4:56 AM · Infrastructure, Security
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