Red Hat Security AdvisoryRHSA-2023:6200
Multicluster Engine for Kubernetes 2.1.9 security updates and bug fixes
Released 2023-10-30 · Red Hat rating Important · View on Red Hat →
Fixed in
- multicluster engine for Kubernetes 2.1 for RHEL 8 multicluster-engine/agent-service-rhel8, multicluster-engine/apiserver-network-proxy-rhel8, multicluster-engine/assisted-image-service-rhel8 +37
Fixes 6 records
Priority CRITICAL 90KEV
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.
CVSS 3.1HIGH 7.5· Network · No auth · No interaction · EPSS 0.99999 · Published 2023-10-10 · Partial fix · 1.28.0, 0.17.0 +9 CWE-400
Priority MEDIUM 42
QUIC connections do not set an upper bound on the amount of data buffered when reading post-handshake messages, allowing a malicious QUIC connection to cause unbounded memory growth.
CVSS 3.1HIGH 7.5· Network · No auth · No interaction · EPSS 0.01345 · Published 2023-09-08 · Partial fix · 1.21.1 CWE-770
Priority MEDIUM 42
Processing an incomplete post-handshake message for a QUIC connection can cause a panic.
CVSS 3.1HIGH 7.5· Network · No auth · No interaction · EPSS 0.01345 · Published 2023-09-08 · Partial fix · 1.21.1 CWE-400
Priority LOW 39
A malicious HTTP/2 client which rapidly creates requests and immediately resets them can cause excessive server resource consumption.
CVSS 3.1HIGH 7.5· Network · No auth · No interaction · EPSS 0.03796 · Published 2023-10-11 · Partial fix · 1.20.10, 1.21.3 +1 CWE-770
Priority LOW 29
The html/template package does not apply the proper rules for handling occurrences of "<script", "<!--", and "</script" within JS literals in <script> contexts.
CVSS 3.1MEDIUM 6.1· Network · No auth · User interaction · EPSS 0.00911 · Published 2023-09-08 · Partial fix · 1.20.8, 1.21.1 CWE-79
Priority LOW 29
The html/template package does not properly handle HTML-like "" comment tokens, nor hashbang "#!" comment tokens, in <script> contexts.
CVSS 3.1MEDIUM 6.1· Network · No auth · User interaction · EPSS 0.0093 · Published 2023-09-08 · Partial fix · 1.20.8, 1.21.1 CWE-79
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