Operating system distribution security contact lists

As an experiment, two mailing lists were setup with membership limited to operating system distribution security contacts. New subscription requests are discussed in public on oss-security. Currently we're only subscribing individuals with their personal PGP keys (messages are re-encrypted to individual recipients), not exploders.

Please only use these lists to report and discuss security issues that are not yet public (but that are to be made public very soon - please see below). For security issues that are already public or that are to be made public right away, please post to oss-security instead.

It is intended that these lists be used primarily to provide actionable information to multiple distribution vendors at once. While you may at the same time request and obtain a CVE ID for the vulnerability you report, and that's great, please avoid using these lists if your sole purpose of their use is to obtain a CVE ID (e.g., when the affected software isn't something any of the distributions currently ship, or when they are unlikely to benefit from the advance notice). In those “CVE only” cases, please request the CVE IDs either on the public oss-security list right away, or from MITRE directly. When you contact MITRE directly about an issue that is not yet public, please do not disclose to them more than the absolute minimum needed for them to assign a CVE ID.

Operating system distribution security contacts list

Currently on the distros list are representatives from:

  • All Linux distribution vendors who are also on the linux-distros list below
  • FreeBSD
  • NetBSD/pkgsrc

Linux distribution security contacts list

Currently on the linux-distros list are representatives from:

  • ALT Linux
  • Amazon Linux AMI
  • Arch Linux
  • Chrome OS
  • Debian
  • Gentoo
  • MontaVista Software
  • Openwall
  • Oracle
  • Red Hat
  • Slackware
  • SUSE
  • Ubuntu
  • Wind River

How to use the lists

To report a non-public medium severity 1) security issue to one of these lists, send e-mail to distros [at] vs [dot] openwall [dot] org or linux [dash] distros [at] vs [dot] openwall [dot] org (just one of these lists depending on who you want to inform), preferably PGP-encrypted to the key below (yes, same key for both lists). Be sure to include [vs] (four characters) in the Subject line, or your message will most likely 2) be rejected by the mail server (for anti-spam reasons). If you do not hear back within 48 hours, please send another message to inquire whether your initial message has in fact been received.

Speaking of encryption, the supported message formats are: plain unencrypted messages, PGP/MIME (including with attachments), or inline PGP. (In all of these cases, messages are distributed to list members (re-)encrypted to their own keys - except that headers, including From and Subject, are not encrypted, so you may want to avoid including security sensitive information in the Subject.) However, manual PGP-encrypted attachments are not supported (so if you want to attach file(s) to your encrypted message, use PGP/MIME).

Please note that the maximum acceptable embargo period for issues disclosed to these lists is 14 to 19 days, with embargoes longer than 14 days (up to 19) allowed in case the issue is reported on a Thursday or a Friday and the proposed coordinated disclosure date is thus adjusted to fall on a Monday or a Tuesday. Please do not ask for a longer embargo. In fact, embargo periods shorter than 7 days are preferable. Please notify upstream projects/developers of the affected software, other affected distro vendors, and/or affected Open Source projects before notifying one of these mailing lists in order to ensure that these other parties are OK with the maximum embargo period that would apply (and if not, then you may have to delay your notification to the mailing list), unless you're confident you'd choose to ignore their preference anyway and disclose the issue publicly soon as per the policy stated here.

When the security issue is finally to be made public, it is your (the original reporter's) responsibility to post about it to oss-security (indeed, you and others may also post to any other mailing lists, etc.)

Please note that any/all list postings may be made public once the corresponding security issue is publicly disclosed, so please do not post information that you want to stay private forever. 3)

Version: GnuPG v1.4.10 (GNU/Linux)

1) Medium overall severity as estimated by risk probability and risk impact product. It is recommended that low severity security issues be reported to the public oss-security list right away, whereas high severity ones be reported to the affected vendors directly.
2) We're using a whitelist approach
3) There was/is intent to be making all list postings public with a delay, which is currently not yet implemented for technical reasons, but it may be implemented and applied retroactively - that is, including to past postings.
mailing-lists/distros.txt · Last modified: 2015/06/10 03:05 by solar
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