CVE-2023-38200

HIGH EPSS 62.7%

Published Jul 24, 20232y ago · Modified Jun 17, 20262w ago

7.5 CVSS 3.1

High

Published Jul 24, 2023 2y ago

Last Modified Jun 17, 2026 2w ago

Description

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.

CVSS Details

Base Score

7.5

Exploitability

3.9

Impact

3.6

Vector string

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector Network

Attack Complexity Low

Privileges Required None

User Interaction None

Scope Unchanged

Confidentiality None

Integrity None

Availability High

Threat Intelligence

EPSS Exploit Probability

62.7% percentile

Exploit & Patch Status

No Known Exploit

Patch Available

Weaknesses 2

CWE-400 Uncontrolled Resource Consumption Resource Mgmt

CWE-834

Affected Products 9

Vendor	Product	Version	Range
keylime	keylime	*	any
redhat	enterprise_linux	9.0	any
redhat	enterprise_linux_eus	9.2	any
redhat	enterprise_linux_for_ibm_z_systems	9.0_s390x	any
redhat	enterprise_linux_for_ibm_z_systems_eus	9.2_s390x	any
redhat	enterprise_linux_for_power_little_endian	9.0_ppc64le	any
redhat	enterprise_linux_for_power_little_endian_eus	9.0_ppc64le	any
redhat	enterprise_linux_server_aus	9.2	any
fedoraproject	fedora	38	any

References 5

access.redhat.com https://access.redhat.com/errata/RHSA-2023:5080

Third Party Advisory
access.redhat.com https://access.redhat.com/security/cve/CVE-2023-38200

Third Party Advisory
bugzilla.redhat.com https://bugzilla.redhat.com/show_bug.cgi?id=2222692

Issue TrackingThird Party Advisory
github.com https://github.com/keylime/keylime/pull/1421

Patch
lists.fedoraproject.org https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZIZZB5NHNCS5D2AEH3ZAO6OQC72IK7WS/

Remediation

github.com https://github.com/keylime/keylime/pull/1421

Patch