CVE-2023-44487 Information

Description

The HTTP/2 protocol allows a denial of service (server resource consumption) because request cancellation can reset many streams quickly as exploited in the wild in August through October 2023.

Reference

https://aws.amazon.com/security/security-bulletins/AWS-2023-011/ https://news.ycombinator.com/item?id=37831062 https://www.phoronix.com/news/HTTP2-Rapid-Reset-Attack https://blog.cloudflare.com/zero-day-rapid-reset-http2-record-breaking-ddos-attack/ https://cloud.google.com/blog/products/identity-security/how-it-works-the-novel-http2-rapid-reset-ddos-attack https://cloud.google.com/blog/products/identity-security/google-cloud-mitigated-largest-ddos-attack-peaking-above-398-million-rps/ https://www.nginx.com/blog/http-2-rapid-reset-attack-impacting-f5-nginx-products/ https://blog.cloudflare.com/technical-breakdown-http2-rapid-reset-ddos-attack/ https://github.com/bcdannyboy/CVE-2023-44487 https://www.bleepingcomputer.com/news/security/new-http-2-rapid-reset-zero-day-attack-breaks-ddos-records/ https://github.com/eclipse/jetty.project/issues/10679 https://github.com/alibaba/tengine/issues/1872 https://forums.swift.org/t/swift-nio-http2-security-update-cve-2023-44487-http-2-dos/67764 https://github.com/netty/netty/commit/58f75f665aa81a8cbcf6ffa74820042a285c5e61 https://github.com/nghttp2/nghttp2/pull/1961 https://news.ycombinator.com/item?id=37830987 https://news.ycombinator.com/item?id=37830998 https://github.com/envoyproxy/envoy/pull/30055 https://github.com/apache/tomcat/tree/main/java/org/apache/coyote/http2 https://github.com/caddyserver/caddy/issues/5877 https://github.com/haproxy/haproxy/issues/2312 https://github.com/grpc/grpc-go/pull/6703 https://github.com/icing/mod_h2/blob/0a864782af0a942aa2ad4ed960a6b32cd35bcf0a/mod_http2/README.md?plain=1#L239-L244 https://github.com/nghttp2/nghttp2/releases/tag/v1.57.0 https://mailman.nginx.org/pipermail/nginx-devel/2023-October/S36Q5HBXR7CAIMPLLPRSSSYR4PCMWILK.html https://my.f5.com/manage/s/article/K000137106 https://bugzilla.proxmox.com/show_bug.cgi?id=4988 https://msrc.microsoft.com/blog/2023/10/microsoft-response-to-distributed-denial-of-service-ddos-attacks-against-http/2/ https://cgit.freebsd.org/ports/commit/?id=c64c329c2c1752f46b73e3e6ce9f4329be6629f9 https://gist.github.com/adulau/7c2bfb8e9cdbe4b35a5e131c66a0c088 https://edg.io/lp/blog/resets-leaks-ddos-and-the-tale-of-a-hidden-cve https://github.com/micrictor/http2-rst-stream https://github.com/h2o/h2o/security/advisories/GHSA-2m7v-gc89-fjqf https://github.com/dotnet/announcements/issues/277 https://github.com/apache/trafficserver/pull/10564 https://github.com/facebook/proxygen/pull/466 https://github.com/microsoft/CBL-Mariner/pull/6381 https://groups.google.com/g/golang-announce/c/iNNxDTCjZvo https://github.com/nodejs/node/pull/50121 https://github.com/h2o/h2o/pull/3291 https://github.com/advisories/GHSA-vx74-f528-fxqg https://openssf.org/blog/2023/10/10/http-2-rapid-reset-vulnerability-highlights-need-for-rapid-response/ https://github.com/golang/go/issues/63417 https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-44487 https://lists.apache.org/thread/5py8h42mxfsn8l1wy6o41xwhsjlsd87q https://www.openwall.com/lists/oss-security/2023/10/10/6 https://tomcat.apache.org/security-10.html#Fixed_in_Apache_Tomcat_10.1.14 https://seanmonstar.com/post/730794151136935936/hyper-http2-rapid-reset-unaffected https://github.com/dotnet/core/blob/e4613450ea0da7fd2fc6b61dfb2c1c1dec1ce9ec/release-notes/6.0/6.0.23/6.0.23.md?plain=1#L73