A flaw was found in the Keylime registrar that could allow a bypass of the challenge-response protocol during agent registration. This issue may allow an attacker to impersonate an agent and hide the true status of a monitored machine if the fake agent is added to the verifier list by a legitimate user, resulting in a breach of the integrity of the registrar database.

The remote Fedora 38 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2023-ed9922536e advisory.

    Backport upstream fixes

    - Fixes: CVE-2023-38200
    - Fixes: CVE-2023-38201


Tenable has extracted the preceding description block directly from the Fedora security advisory.

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

The remote AlmaLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2023:5080 advisory.

  - A flaw was found in Keylime. Due to their blocking nature, the Keylime registrar is subject to a remote     denial of service against its SSL connections. This flaw allows an attacker to exhaust all available     connections. (CVE-2023-38200)

  - A flaw was found in the Keylime registrar that could allow a bypass of the challenge-response protocol     during agent registration. This issue may allow an attacker to impersonate an agent and hide the true     status of a monitored machine if the fake agent is added to the verifier list by a legitimate user,     resulting in a breach of the integrity of the registrar database. (CVE-2023-38201)

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

The remote Oracle Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2023-5080 advisory.

    - Fix registrar is subject to a DoS against SSL (CVE-2023-38200)       Resolves: rhbz#2222694

Tenable has extracted the preceding description block directly from the Oracle 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.

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2023:5080 advisory.

    Keylime is a TPM based highly scalable remote boot attestation and runtime integrity measurement solution.

    Security Fix(es):

    * keylime: registrar is subject to a DoS against SSL connections (CVE-2023-38200)

    * Keylime: challenge-response protocol bypass during agent registration (CVE-2023-38201)

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

The remote SUSE Linux SLED15 / SLED_SAP15 / SLES15 / SLES_SAP15 / openSUSE 15 host has packages installed that are affected by a vulnerability as referenced in the SUSE-SU-2023:3525-1 advisory.

  - A flaw was found in the Keylime registrar that could allow a bypass of the challenge-response protocol     during agent registration. This issue may allow an attacker to impersonate an agent and hide the true     status of a monitored machine if the fake agent is added to the verifier list by a legitimate user,     resulting in a breach of the integrity of the registrar database. (CVE-2023-38201)

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

ID	Name	Product	Family	Severity
185465	Fedora 38 : keylime (2023-ed9922536e)	Nessus	Fedora Local Security Checks	medium
181433	AlmaLinux 9 : keylime (ALSA-2023:5080)	Nessus	Alma Linux Local Security Checks	medium
181331	Oracle Linux 9 : keylime (ELSA-2023-5080)	Nessus	Oracle Linux Local Security Checks	medium
181286	RHEL 9 : keylime (RHSA-2023:5080)	Nessus	Red Hat Local Security Checks	medium
180530	SUSE SLED15 / SLES15 / openSUSE 15 Security Update : keylime (SUSE-SU-2023:3525-1)	Nessus	SuSE Local Security Checks	medium

Detections

Analytics

CVE-2023-38201

medium

Tenable Plugins

medium

medium

medium

medium

medium