4:49 p.m.
The voting at the EPEL Steering Committee meeting was unanimous, with no
negative votes.
Please proceed.
On Wed, Aug 9, 2023 at 1:20 PM Carl George <carl(a)redhat.com> wrote:
Thanks Ben for following the incompat process and for the detailed
email. It makes sense to me, the plan is sound, and I plan to vote
yes when we hold the official vote in next week's steering committee
meeting.
On Wed, Aug 9, 2023 at 1:35 PM Troy Dawson <tdawson(a)redhat.com> wrote:
>
> On Tue, Aug 8, 2023 at 4:11 PM Ben Beasley <code(a)musicinmybrain.net>
wrote:
>>
>> This email proposes upgrading the llhttp package in EPEL9 from 6.0.10 to
>> 8.1.1, which would break the ABI and bump the SONAME version, under the
>> EPEL Incompatible Upgrades Policy[1].
>>
>> The llhttp package is a C library (transpiled from TypeScript) that
>> provides the low-level HTTP support for NodeJS and for python-aiohttp.
>> Currently, only python-aiohttp depends on the llhttp package in EPEL9.
>>
>> Versions of llhttp prior to 8.1.1 are affected by CVE-2023-30589[2], an
>> HTTP request smuggling vulnerability rated 7.7 HIGH in CVSS v3 and rated
>> Moderate by Red Hat. The GitHub advisory for llhttp is
>> GHSA-cggh-pq45-6h9x[3]; the advisory for python-aiohttp is
>> GHSA-45c4-8wx5-qw6w[4]. Upstream for python-aiohttp fixed this by
>> updating llhttp (which they bundle, but we unbundle) in release 3.8.5.
>>
>> I am not comfortable attempting to backport the fix to an older release
>> of llhttp. My preferred solution would be to update llhttp to 8.1.1[5]
>> and (in the same side tag) update python-aiohttp to 3.8.5[6]. The ABI
>> break in llhttp would only affect python-aiohttp; the python-aiohttp
>> update itself is compatible (by upstream intent, and verified in
>> COPR[7]); and a number of packages that depend on python-aiohttp would
>> benefit from the fix.
>>
>> If this exception request is not approved, my fallback plan is to
>> propose rebuilding python-aiohttp in EPEL9 with AIOHTTP_NO_EXTENSIONS=1,
>> which would convert it to a pure-Python package. This is a documented
>> mitigation, but comes with potentially serious performance regressions,
>> again affecting a number of dependent packages. The llhttp package would
>> become a leaf package and would remain unpatched.
>>
>> The same incompatible update was approved by FESCo for Fedora 37[8].
>>
>> The purpose of this email is to document and explain the proposed
>> update, to begin the minimum one-week discussion period mandated by the
>> EPEL Incompatible Upgrades Policy, and to request that the update be
>> added to the agenda for an upcoming EPEL meeting.
>>
>> [1]
>>
https://docs.fedoraproject.org/en-US/epel/epel-policy-incompatible-upgrad...
>>
>> [2] https://access.redhat.com/security/cve/CVE-2023-30589
>>
>> [3] https://github.com/advisories/GHSA-cggh-pq45-6h9x
>>
>> [4]
>>
https://github.com/aio-libs/aiohttp/security/advisories/GHSA-45c4-8wx5-qw6w
>>
>> [5] https://src.fedoraproject.org/rpms/llhttp/pull-request/14
>>
>> [6] https://src.fedoraproject.org/rpms/python-aiohttp/pull-request/26
>>
>> [7]
https://copr.fedorainfracloud.org/coprs/music/aiohttp-epel9/packages/
>>
>> [8] https://pagure.io/fesco/issue/3049
>
>
> Thank you for the nice write-up.
>
> I have created an EPEL issue. Not really for discussion but more for
voting and make sure this is on the meeting agendas.
> https://pagure.io/epel/issue/241
>
> Troy
>
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--
Carl George
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