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Date: Wed, 18 Oct 2023 16:10:50 -0700
From: Alan Coopersmith <alan.coopersmith@...cle.com>
To: oss-security@...ts.openwall.com
Subject: Re: CVE-2023-44487: HTTP/2 Rapid Reset attack against
many implementations
On 10/10/23 11:40, Alan Coopersmith wrote:
> Information I've found so far on open source implementations (most via the
> current listings in the CVE) include:
Some more updates since last week:
> - Apache httpd:
> https://chaos.social/@icing/111210915918780532
The discussion in https://github.com/apache/httpd-site/pull/10 makes the
situation a little murkier.
- contour:
https://github.com/projectcontour/contour/pull/5850
- grpc-go:
https://github.com/grpc/grpc-go/pull/6703
> - haproxy:
> https://github.com/haproxy/haproxy/issues/2312 https://www.haproxy.com/blog/haproxy-is-not-affected-by-the-http-2-rapid-reset-attack-cve-2023-44487
- http2 [Haskell]:
https://github.com/kazu-yamamoto/http2/issues/93
- IETF:
https://lists.w3.org/Archives/Public/ietf-http-wg/2023OctDec/0025.html
- kubernetes:
https://github.com/kubernetes/kubernetes/pull/121120
- linkerd:
https://linkerd.io/2023/10/12/linkerd-cve-2023-44487/
> - netty:
> https://github.com/netty/netty/commit/58f75f665aa81a8cbcf6ffa74820042a285c5e61
https://github.com/advisories/GHSA-xpw8-rcwv-8f8p
https://netty.io/news/2023/10/10/4-1-100-Final.html
- varnish
https://github.com/varnishcache/varnish-cache/issues/3996
Also,https://mstdn.social/@jschauma/111252863550361935 points out that the
Rust h2 crate seems to have announced a very similar issue under a
different CVE id back in April:
https://rustsec.org/advisories/RUSTSEC-2023-0034.html
https://github.com/advisories/GHSA-f8vr-r385-rh5r
and a followup post notes further similarities to Netflix's CVE-2019-9514
“Reset Flood” from
https://github.com/Netflix/security-bulletins/blob/master/advisories/third-party/2019-002.md
except in that case the RST_STREAM seem to have been sent from the server,
not the client side.
--
-Alan Coopersmith- alan.coopersmith@...cle.com
Oracle Solaris Engineering - https://blogs.oracle.com/solaris
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