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Added --transport / -r flag to crictl exec and attach to select between the "spdy" (default) and "websocket" transport. (#1383, @saschagrunert)
Added --transport / -r flag to crictl port-forward and attach to select between the "spdy" (default) and "websocket" transport. (#1385, @saschagrunert)
Added support for OTEL tracing via the new CLI flags --enable-tracing, --tracing-endpoint and --tracing-sampling-rate-per-million. (#1319, @saschagrunert)
Added user namespaces tests to critest. The tests try to find a working runtime handler and automatically skip if not existing. (#1354, @saschagrunert)
Changed default behaviour in rm command to also delete the container's log file.
Added --keeplogs, -k option to the rm command to preserve logs. (#1367, @fformica)
Crictl rmi will not remove pinned images on --prune (#1360, @sondavidb)
Implemented the --filter flag for crictl images command.
The following filters are available:
// UnaryServerInterceptor returns a grpc.UnaryServerInterceptor suitable
// for use in a grpc.NewServer call.
func UnaryServerInterceptor(opts ...Option) grpc.UnaryServerInterceptor {
out of the box adds labels
net.peer.sock.addr
net.peer.sock.port
that have unbound cardinality. It leads to the server's potential memory exhaustion when many malicious requests are sent.
Details
An attacker can easily flood the peer address and port for requests.
PoC
Apply the attached patch to the example and run the client multiple times. Observe how each request will create a unique histogram and how the memory consumption increases during it.
Impact
In order to be affected, the program has to configure a metrics pipeline, use UnaryServerInterceptor, and does not filter any client IP address and ports via middleware or proxies, etc.
Others
It is similar to already reported vulnerabilities.
An attacker may cause an HTTP/2 endpoint to read arbitrary amounts of header data by sending an excessive number of CONTINUATION frames.
Maintaining HPACK state requires parsing and processing all HEADERS and CONTINUATION frames on a connection. When a request's headers exceed MaxHeaderBytes, no memory is allocated to store the excess headers, but they are still parsed.
This permits an attacker to cause an HTTP/2 endpoint to read arbitrary amounts of header data, all associated with a request which is going to be rejected. These headers can include Huffman-encoded data which is significantly more expensive for the receiver to decode than for an attacker to send.
The fix sets a limit on the amount of excess header frames we will process before closing a connection.
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This PR contains the following updates:
1.29.0->1.30.0Warning
Some dependencies could not be looked up. Check the Dependency Dashboard for more information.
Release Notes
kubernetes-sigs/cri-tools (kubernetes-sigs/cri-tools)
v1.30.0Compare Source
Changes by Kind
Feature
Added
--transport / -rflag tocrictl execandattachto select between the "spdy" (default) and "websocket" transport. (#1383, @saschagrunert)Added
--transport / -rflag tocrictl port-forwardandattachto select between the "spdy" (default) and "websocket" transport. (#1385, @saschagrunert)Added support for OTEL tracing via the new CLI flags
--enable-tracing,--tracing-endpointand--tracing-sampling-rate-per-million. (#1319, @saschagrunert)Added user namespaces tests to
critest. The tests try to find a working runtime handler and automatically skip if not existing. (#1354, @saschagrunert)Changed default behaviour in
rmcommand to also delete the container's log file.Added
--keeplogs, -koption to thermcommand to preserve logs. (#1367, @fformica)Crictl rmi will not remove pinned images on --prune (#1360, @sondavidb)
Implemented the
--filterflag forcrictl imagescommand.The following filters are available:
dangling=(true/false)reference=regexbefore=<image-name>[:<tag>]|<image id>|<image@digest>since=<image-name>[:<tag>]|<image id>|<image@digest>(#1359, @roman-kiselenko)Support Recursive Read-only (RRO) mounts (KEP-3857) (#1344, @AkihiroSuda)
Documentation
docs/crictl.1. (#1320, @saschagrunert)Other (Cleanup or Flake)
Dependencies
Added
b75ee8851d4e06Changed
23370e0→6ceb2ffb8732ec→c3f9821f966b18→6ceb2ff2dd684a→70dd376e4636d0→634fc1be4636d0→634fc1be4636d0→634fc1be4636d0→634fc1be4636d0→634fc1be4636d0→634fc1be4636d0→634fc1be4636d0→634fc1be4636d0→634fc1be4636d0→634fc1be4636d0→634fc1be4636d0→634fc1be4636d0→634fc1be4636d0→634fc1be4636d0→634fc1be4636d0→634fc1be4636d0→634fc1be4636d0→634fc1be4636d0→634fc1be4636d0→634fc1be4636d0→634fc1be4636d0→634fc1be4636d0→634fc1be4636d0→634fc1be4636d0→634fc1be4636d0→634fc1be4636d0→634fc1be4636d0→634fc1bRemoved
9cce18dConfiguration
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