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OpenAdvisories
High RHSA-2021:0916 6 CVEs

Red Hat Security Advisory: Red Hat OpenStack Platform 16.1.4 (etcd) security update

Published Sep 18, 2024 · Updated Jun 27, 2026

Ecosystem: Red Hat

Fixed packages 3

ReleasePackageFixed in
Red Hat · OpenStack 16 openstack:16.1::el8 etcd 0:3.3.23-1.el8ost
Red Hat · OpenStack 16 openstack:16.1::el8 etcd-debuginfo 0:3.3.23-1.el8ost
Red Hat · OpenStack 16 openstack:16.1::el8 etcd-debugsource 0:3.3.23-1.el8ost

Vulnerabilities 6

  • High 7.7
    CVE-2020-15114

    Denial of Service in etcd

    In etcd before versions 3.3.23 and 3.4.10, the etcd gateway is a simple TCP proxy to allow for basic service discovery and access. However, it is possible to include the gateway address as an endpoint. This results in a denial of service, since the endpoint c…

    etcd-io etcd dgraph etcd Debian Ubuntu Azure Linux Wolfi Go
  • Medium 6.5
    CVE-2020-15106

    Improper Input Validation in etcd

    In etcd before versions 3.3.23 and 3.4.10, a large slice causes panic in decodeRecord method. The size of a record is stored in the length field of a WAL file and no additional validation is done on this data. Therefore, it is possible to forge an extremely l…

    etcd-io etcd etcd etcd Debian Ubuntu Azure Linux Go
  • Medium 6.5
    CVE-2020-15112

    Improper Input Validation in etcd

    In etcd before versions 3.3.23 and 3.4.10, it is possible to have an entry index greater then the number of entries in the ReadAll method in wal/wal.go. This could cause issues when WAL entries are being read during consensus as an arbitrary etcd consensus pa…

    etcd-io etcd etcd etcd Debian Ubuntu Azure Linux
  • Medium 6.5
    CVE-2020-15136

    Improper authentication in etcd

    In ectd before versions 3.4.10 and 3.3.23, gateway TLS authentication is only applied to endpoints detected in DNS SRV records. When starting a gateway, TLS authentication will only be attempted on endpoints identified in DNS SRV records for a given domain, w…

    etcd-io etcd dgraph etcd Debian Ubuntu Azure Linux Wolfi Go
  • Medium 5.8
    CVE-2020-15115

    No minimum password length in etcd

    etcd before versions 3.3.23 and 3.4.10 does not perform any password length validation, which allows for very short passwords, such as those with a length of one. This may allow an attacker to guess or brute-force users' passwords with little computational ef…

    etcd-io etcd etcd etcd Debian Ubuntu Azure Linux Go
  • Medium 5.7
    CVE-2020-15113

    Improper Preservation of Permissions in etcd

    In etcd before versions 3.3.23 and 3.4.10, certain directory paths are created (etcd data directory and the directory path when provided to automatically generate self-signed certificates for TLS connections with clients) with restricted access permissions (7…

    etcd-io etcd etcd etcd Debian Ubuntu Azure Linux Go

References

  • article
    https://access.redhat.com/security/updates/classification/#moderate
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=1868870
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=1868872
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=1868874
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=1868878
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=1868880
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=1868883
  • advisory
    https://security.access.redhat.com/data/csaf/v2/advisories/2021/rhsa-2021_0916.json
  • report
    https://access.redhat.com/security/cve/CVE-2020-15106
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2020-15106
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2020-15106
  • article
    https://github.com/etcd-io/etcd/security/advisories/GHSA-p4g4-wgrh-qrg2
  • report
    https://access.redhat.com/security/cve/CVE-2020-15112
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2020-15112
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2020-15112
  • article
    https://github.com/etcd-io/etcd/security/advisories/GHSA-m332-53r6-2w93
  • report
    https://access.redhat.com/security/cve/CVE-2020-15113
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2020-15113
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2020-15113
  • article
    https://github.com/etcd-io/etcd/security/advisories/GHSA-chh6-ppwq-jh92
  • report
    https://access.redhat.com/security/cve/CVE-2020-15114
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2020-15114
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2020-15114
  • article
    https://github.com/etcd-io/etcd/security/advisories/GHSA-2xhq-gv6c-p224
  • report
    https://access.redhat.com/security/cve/CVE-2020-15115
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2020-15115
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2020-15115
  • article
    https://github.com/etcd-io/etcd/security/advisories/GHSA-4993-m7g5-r9hh
  • report
    https://access.redhat.com/security/cve/CVE-2020-15136
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2020-15136
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2020-15136
  • article
    https://github.com/etcd-io/etcd/security/advisories/GHSA-wr2v-9rpq-c35q