Red Hat Security Advisory: Red Hat OpenStack Platform 16.1 (etcd) security update

Fixed packages 3

Vulnerabilities 2

• Critical 9.8
  CVE-2021-28235 Public exploit

  Etcd-io Improper Authentication vulnerability

  Authentication vulnerability found in Etcd-io v.3.4.10 allows remote attackers to escalate privileges via the debug function.

  etcd etcd etcd go.etcd.io/etcd/v3 Debian Ubuntu Azure Linux Go
  Apr 4, 2023
• High 7.5
  CVE-2022-41723

  Denial of service via crafted HTTP/2 stream in net/http and golang.org/x/net

  A maliciously crafted HTTP/2 stream could cause excessive CPU consumption in the HPACK decoder, sufficient to cause a denial of service from a small number of small requests.

  Go standard library golang.org/x/net net/http golang.org/x/net/http2 Debian Ubuntu Azure Linux Alpine Wolfi Go
  Feb 28, 2023

References

• article
  https://access.redhat.com/security/updates/classification/#important
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2178358
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2184441
• advisory
  https://security.access.redhat.com/data/csaf/v2/advisories/2023/rhsa-2023_3447.json
• report
  https://access.redhat.com/security/cve/CVE-2021-28235
• advisory
  https://www.cve.org/CVERecord?id=CVE-2021-28235
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2021-28235
• report
  https://access.redhat.com/security/cve/CVE-2022-41723
• advisory
  https://www.cve.org/CVERecord?id=CVE-2022-41723
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2022-41723
• advisory
  https://github.com/advisories/GHSA-vvpx-j8f3-3w6h
• article
  https://go.dev/cl/468135
• article
  https://go.dev/cl/468295
• article
  https://go.dev/issue/57855
• article
  https://groups.google.com/g/golang-announce/c/V0aBFqaFs_E
• advisory
  https://pkg.go.dev/vuln/GO-2023-1571
• article
  https://vuln.go.dev/ID/GO-2023-1571.json