Red Hat Security Advisory: Red Hat OpenStack Platform 17.1.1 security update

Fixed packages 9

Vulnerabilities 3

• High 7.5
  CVE-2023-44487 Exploited Public exploit EPSS 100%

  HTTP/2 Stream Cancellation Attack

  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.

  nodejs golang go kubescape Debian Ubuntu Azure Linux Alpine Wolfi Maven Go SwiftURL
  Oct 10, 2023

  KEV Oct 10, 2023
• High 7.5
  CVE-2023-39325 Public exploit

  HTTP/2 rapid reset can cause excessive work in net/http

  A malicious HTTP/2 client which rapidly creates requests and immediately resets them can cause excessive server resource consumption. While the total number of requests is bounded by the http2.Server.MaxConcurrentStreams setting, resetting an in-progress requ…

  Go standard library golang.org/x/net net/http golang.org/x/net/http2 Debian Ubuntu Azure Linux Alpine Wolfi Go
  Oct 11, 2023
• Unscored —
  CVE-2023-29409 Public exploit

  Large RSA keys can cause high CPU usage in crypto/tls

  Extremely large RSA keys in certificate chains can cause a client/server to expend significant CPU time verifying signatures. With fix, the size of RSA keys transmitted during handshakes is restricted to <= 8192 bits. Based on a survey of publicly trusted RSA…

  Go standard library crypto/tls katib-suggestion-hyperopt katib-earlystopping Debian Ubuntu Azure Linux Alpine Wolfi Go
  Aug 2, 2023

References

• article
  https://access.redhat.com/security/updates/classification/#important
• article
  https://access.redhat.com/security/vulnerabilities/RHSB-2023-003
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2228743
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2242803
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2243296
• advisory
  https://security.access.redhat.com/data/csaf/v2/advisories/2023/rhsa-2023_5969.json
• report
  https://access.redhat.com/security/cve/CVE-2023-29409
• advisory
  https://www.cve.org/CVERecord?id=CVE-2023-29409
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2023-29409
• article
  https://go.dev/cl/515257
• article
  https://go.dev/issue/61460
• article
  https://groups.google.com/g/golang-announce/c/X0b6CsSAaYI/m/Efv5DbZ9AwAJ
• advisory
  https://pkg.go.dev/vuln/GO-2023-1987
• report
  https://access.redhat.com/security/cve/CVE-2023-39325
• advisory
  https://www.cve.org/CVERecord?id=CVE-2023-39325
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2023-39325
• report
  https://access.redhat.com/security/cve/CVE-2023-44487
• article
  https://go.dev/issue/63417
• advisory
  https://pkg.go.dev/vuln/GO-2023-2102
• article
  https://www.cisa.gov/news-events/alerts/2023/10/10/http2-rapid-reset-vulnerability-cve-2023-44487
• advisory
  https://www.cve.org/CVERecord?id=CVE-2023-44487
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2023-44487
• article
  https://github.com/dotnet/announcements/issues/277
• article
  https://www.nginx.com/blog/http-2-rapid-reset-attack-impacting-f5-nginx-products/
• article
  https://www.cisa.gov/known-exploited-vulnerabilities-catalog