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.
References
Link Resource
http://www.openwall.com/lists/oss-security/2023/10/13/4 Mailing List Third Party Advisory
http://www.openwall.com/lists/oss-security/2023/10/13/9 Mailing List Third Party Advisory
http://www.openwall.com/lists/oss-security/2023/10/18/4 Mailing List Third Party Advisory
http://www.openwall.com/lists/oss-security/2023/10/18/8 Mailing List Third Party Advisory
http://www.openwall.com/lists/oss-security/2023/10/19/6 Mailing List Third Party Advisory
http://www.openwall.com/lists/oss-security/2023/10/20/8 Mailing List
https://access.redhat.com/security/cve/cve-2023-44487 Vendor Advisory
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https://blog.vespa.ai/cve-2023-44487/ Vendor Advisory
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https://github.com/Kong/kong/discussions/11741 Issue Tracking Vendor Advisory
https://github.com/advisories/GHSA-qppj-fm5r-hxr3 Vendor Advisory
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https://github.com/advisories/GHSA-xpw8-rcwv-8f8p Patch Vendor Advisory
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https://github.com/apache/httpd-site/pull/10 Issue Tracking Vendor Advisory
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https://github.com/apache/tomcat/tree/main/java/org/apache/coyote/http2 Product Third Party Advisory
https://github.com/apache/trafficserver/pull/10564 Patch Vendor Advisory
https://github.com/arkrwn/PoC/tree/main/CVE-2023-44487 Vendor Advisory
https://github.com/bcdannyboy/CVE-2023-44487 Third Party Advisory
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https://github.com/caddyserver/caddy/releases/tag/v2.7.5 Release Notes Third Party Advisory
https://github.com/dotnet/announcements/issues/277 Mitigation Vendor Advisory
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https://github.com/eclipse/jetty.project/issues/10679 Issue Tracking Vendor Advisory
https://github.com/envoyproxy/envoy/pull/30055 Patch Vendor Advisory
https://github.com/etcd-io/etcd/issues/16740 Issue Tracking Patch Vendor Advisory
https://github.com/facebook/proxygen/pull/466 Patch Vendor Advisory
https://github.com/golang/go/issues/63417 Issue Tracking Vendor Advisory
https://github.com/grpc/grpc-go/pull/6703 Patch Vendor Advisory
https://github.com/h2o/h2o/pull/3291 Patch Third Party Advisory
https://github.com/h2o/h2o/security/advisories/GHSA-2m7v-gc89-fjqf Vendor Advisory
https://github.com/haproxy/haproxy/issues/2312 Issue Tracking Vendor Advisory
https://github.com/icing/mod_h2/blob/0a864782af0a942aa2ad4ed960a6b32cd35bcf0a/mod_http2/README.md?plain=1#L239-L244 Product Vendor Advisory
https://github.com/junkurihara/rust-rpxy/issues/97 Issue Tracking Vendor Advisory
https://github.com/kazu-yamamoto/http2/commit/f61d41a502bd0f60eb24e1ce14edc7b6df6722a1 Patch Third Party Advisory
https://github.com/kazu-yamamoto/http2/issues/93 Issue Tracking Third Party Advisory
https://github.com/kubernetes/kubernetes/pull/121120 Patch Vendor Advisory
https://github.com/line/armeria/pull/5232 Issue Tracking Patch Vendor Advisory
https://github.com/linkerd/website/pull/1695/commits/4b9c6836471bc8270ab48aae6fd2181bc73fd632 Vendor Advisory
https://github.com/micrictor/http2-rst-stream Exploit Third Party Advisory
https://github.com/microsoft/CBL-Mariner/pull/6381 Patch Vendor Advisory
https://github.com/netty/netty/commit/58f75f665aa81a8cbcf6ffa74820042a285c5e61 Patch Vendor Advisory
https://github.com/nghttp2/nghttp2/pull/1961 Patch Vendor Advisory
https://github.com/nghttp2/nghttp2/releases/tag/v1.57.0 Release Notes Third Party Advisory
https://github.com/ninenines/cowboy/issues/1615 Issue Tracking Vendor Advisory
https://github.com/nodejs/node/pull/50121 Vendor Advisory
https://github.com/openresty/openresty/issues/930 Issue Tracking Vendor Advisory
https://github.com/opensearch-project/data-prepper/issues/3474 Issue Tracking Patch Vendor Advisory
https://github.com/oqtane/oqtane.framework/discussions/3367 Issue Tracking Vendor Advisory
https://github.com/projectcontour/contour/pull/5826 Issue Tracking Patch Vendor Advisory
https://github.com/tempesta-tech/tempesta/issues/1986 Issue Tracking Vendor Advisory
https://github.com/varnishcache/varnish-cache/issues/3996 Issue Tracking Vendor Advisory
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https://linkerd.io/2023/10/12/linkerd-cve-2023-44487/ Vendor Advisory
https://lists.apache.org/thread/5py8h42mxfsn8l1wy6o41xwhsjlsd87q Mailing List Vendor Advisory
https://lists.debian.org/debian-lts-announce/2023/10/msg00020.html Mailing List Third Party Advisory
https://lists.debian.org/debian-lts-announce/2023/10/msg00023.html Mailing List Third Party Advisory
https://lists.debian.org/debian-lts-announce/2023/10/msg00024.html Mailing List Third Party Advisory
https://lists.debian.org/debian-lts-announce/2023/10/msg00045.html Third Party Advisory
https://lists.debian.org/debian-lts-announce/2023/10/msg00047.html Third Party Advisory
https://lists.debian.org/debian-lts-announce/2023/11/msg00001.html Mailing List Third Party Advisory
https://lists.debian.org/debian-lts-announce/2023/11/msg00012.html Mailing List Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2MBEPPC36UBVOZZNAXFHKLFGSLCMN5LI/ Mailing List Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3N4NJ7FR4X4FPZUGNTQAPSTVB2HB2Y4A/ Mailing List Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BFQD3KUEMFBHPAPBGLWQC34L4OWL5HAZ/ Mailing List Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CLB4TW7KALB3EEQWNWCN7OUIWWVWWCG2/ Mailing List Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/E72T67UPDRXHIDLO3OROR25YAMN4GGW5/ Mailing List Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FNA62Q767CFAFHBCDKYNPBMZWB7TWYVU/ Mailing List Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HT7T2R4MQKLIF4ODV4BDLPARWFPCJ5CZ/ Mailing List Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JIZSEFC3YKCGABA2BZW6ZJRMDZJMB7PJ/ Mailing List Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JMEXY22BFG5Q64HQCM5CK2Q7KDKVV4TY/ Mailing List Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KSEGD2IWKNUO3DWY4KQGUQM5BISRWHQE/ Mailing List Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LKYHSZQFDNR7RSA7LHVLLIAQMVYCUGBG/ Mailing List Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LNMZJCDHGLJJLXO4OXWJMTVQRNWOC7UL/ Mailing List Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VHUHTSXLXGXS7JYKBXTA3VINUPHTNGVU/ Mailing List Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VSRDIV77HNKUSM7SJC5BKE5JSHLHU2NK/ Mailing List Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WE2I52RHNNU42PX6NZ2RBUHSFFJ2LVZX/ Mailing List Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WLPRQ5TWUQQXYWBJM7ECYDAIL2YVKIUH/ Mailing List Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/X6QXN4ORIVF6XBW4WWFE7VNPVC74S45Y/ Mailing List Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XFOIBB4YFICHDM7IBOP7PWXW3FX4HLL2/ Mailing List Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZB43REMKRQR62NJEI7I5NQ4FSXNLBKRT/ Mailing List Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZKQSIKIAT5TJ3WSLU3RDBQ35YX4GY4V3/ Mailing List Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZLU6U2R2IC2K64NDPNMV55AUAO65MAF4/ Mailing List Third Party Advisory
https://lists.w3.org/Archives/Public/ietf-http-wg/2023OctDec/0025.html Mailing List Third Party Advisory
https://mailman.nginx.org/pipermail/nginx-devel/2023-October/S36Q5HBXR7CAIMPLLPRSSSYR4PCMWILK.html Mailing List Patch Third Party Advisory
https://martinthomson.github.io/h2-stream-limits/draft-thomson-httpbis-h2-stream-limits.html Third Party Advisory
https://msrc.microsoft.com/blog/2023/10/microsoft-response-to-distributed-denial-of-service-ddos-attacks-against-http/2/ Patch Vendor Advisory
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-44487 Mitigation Patch Vendor Advisory
https://my.f5.com/manage/s/article/K000137106 Vendor Advisory
https://netty.io/news/2023/10/10/4-1-100-Final.html Release Notes Vendor Advisory
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https://news.ycombinator.com/item?id=37830998 Issue Tracking Press/Media Coverage
https://news.ycombinator.com/item?id=37831062 Issue Tracking Third Party Advisory
https://news.ycombinator.com/item?id=37837043 Issue Tracking
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https://security.gentoo.org/glsa/202311-09 Third Party Advisory
https://security.netapp.com/advisory/ntap-20231016-0001/ Third Party Advisory
https://security.netapp.com/advisory/ntap-20240426-0007/ Third Party Advisory
https://security.netapp.com/advisory/ntap-20240621-0006/ Third Party Advisory
https://security.netapp.com/advisory/ntap-20240621-0007/ Third Party Advisory
https://security.paloaltonetworks.com/CVE-2023-44487 Vendor Advisory
https://tomcat.apache.org/security-10.html#Fixed_in_Apache_Tomcat_10.1.14 Release Notes Vendor Advisory
https://ubuntu.com/security/CVE-2023-44487 Vendor Advisory
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https://www.cisa.gov/news-events/alerts/2023/10/10/http2-rapid-reset-vulnerability-cve-2023-44487 Third Party Advisory US Government Resource
https://www.darkreading.com/cloud/internet-wide-zero-day-bug-fuels-largest-ever-ddos-event Press/Media Coverage Third Party Advisory
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https://www.debian.org/security/2023/dsa-5522 Vendor Advisory
https://www.debian.org/security/2023/dsa-5540 Third Party Advisory
https://www.debian.org/security/2023/dsa-5549 Third Party Advisory
https://www.debian.org/security/2023/dsa-5558 Third Party Advisory
https://www.debian.org/security/2023/dsa-5570 Third Party Advisory
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https://www.phoronix.com/news/HTTP2-Rapid-Reset-Attack Press/Media Coverage
https://www.theregister.com/2023/10/10/http2_rapid_reset_zeroday/ Press/Media Coverage Third Party Advisory
History

No history.

cve-icon MITRE Information

Status: PUBLISHED

Assigner: mitre

Published: 2023-10-10T00:00:00

Updated: 2024-06-21T19:08:34.967324

Reserved: 2023-09-29T00:00:00


Link: CVE-2023-44487

JSON object: View

cve-icon NVD Information

Status : Analyzed

Published: 2023-10-10T14:15:10.883

Modified: 2024-06-27T18:34:22.110


Link: CVE-2023-44487

JSON object: View

cve-icon Redhat Information

No data.

CWE