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, which occurs in the discoverEndpoints function. No authentication is performed against endpoints provided in the --endpoints flag. This has been fixed in versions 3.4.10 and 3.3.23 with improved documentation and deprecation of the functionality.

An update of the coredns package has been released.

An update of the calico package has been released.

An update of the flannel package has been released.

An update of the etcd package has been released.

The remote Redhat Enterprise Linux 7 host has one or more packages installed that are affected by multiple vulnerabilities that have been acknowledged by the vendor but will not be patched.

  - etcd: Cross-site request forgery via crafted local POST forms (CVE-2018-1098)

  - etcd: Information discosure via debug function (CVE-2021-28235)

  - DNS rebinding vulnerability found in etcd 3.3.1 and earlier. An attacker can control his DNS records to     direct to localhost, and trick the browser into sending requests to localhost (or any other address).
    (CVE-2018-1099)

Note that Nessus has not tested for these issues but has instead relied on the package manager's report that the package is installed.

The remote Redhat Enterprise Linux 8 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2021:0916 advisory.

    A highly-available key value store for shared configuration.

    Security Fix(es):

    * large slice causes panic in decodeRecord method (CVE-2020-15106)

    * DoS in wal/wal.go (CVE-2020-15112)

    * directories created via os.MkdirAll are not checked for permissions     (CVE-2020-15113)

    * gateway can include itself as an endpoint resulting in resource     exhaustion and leads to DoS (CVE-2020-15114)

    * improper validation of passwords allow an attacker to guess or     brute-force user's passwords (CVE-2020-15115)

    * no authentication is performed against endpoints provided in the
    --endpoints flag (CVE-2020-15136)

    For more details about the security issue(s), including the impact, a CVSS     score, acknowledgments, and other related information, refer to the CVE     page listed in the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Security fix for CVE-2020-15113, CVE-2020-15112, CVE-2020-15114, CVE-2020-15115, CVE-2020-15136, CVE-2020-15106

Note that Tenable Network Security has extracted the preceding description block directly from the Fedora update system website.
Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

ID	Name	Product	Family	Severity
204479	Photon OS 4.0: Coredns PHSA-2023-4.0-0420	Nessus	PhotonOS Local Security Checks	high
204433	Photon OS 4.0: Calico PHSA-2023-4.0-0427	Nessus	PhotonOS Local Security Checks	critical
204397	Photon OS 4.0: Flannel PHSA-2023-4.0-0427	Nessus	PhotonOS Local Security Checks	critical
203868	Photon OS 3.0: Coredns PHSA-2023-3.0-0608	Nessus	PhotonOS Local Security Checks	high
203810	Photon OS 3.0: Calico PHSA-2023-3.0-0631	Nessus	PhotonOS Local Security Checks	critical
203783	Photon OS 3.0: Flannel PHSA-2023-3.0-0631	Nessus	PhotonOS Local Security Checks	critical
203562	Photon OS 5.0: Calico PHSA-2023-5.0-0049	Nessus	PhotonOS Local Security Checks	critical
202775	Photon OS 3.0: Etcd PHSA-2020-3.0-0130	Nessus	PhotonOS Local Security Checks	high
199006	RHEL 7 : etcd (Unpatched Vulnerability)	Nessus	Red Hat Local Security Checks	critical
147868	RHEL 8 : Red Hat OpenStack Platform 16.1.4 (etcd) (RHSA-2021:0916)	Nessus	Red Hat Local Security Checks	high
144696	Fedora 32 : etcd (2020-cd43b84c16)	Nessus	Fedora Local Security Checks	high
139696	Photon OS 1.0: Etcd PHSA-2020-1.0-0313	Nessus	PhotonOS Local Security Checks	high
139608	Photon OS 2.0: Etcd PHSA-2020-2.0-0272	Nessus	PhotonOS Local Security Checks	high

Detections

Analytics

CVE-2020-15136

medium

Tenable Plugins

high

critical

critical

high

critical

critical

critical

high

critical

high

high

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high