Input validation error in keylime - CVE-2023-38200

Vulnerability identifier: #VU78903

CSH Severity: Medium

CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2023-38200

CWE-ID: CWE-20

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input in the registrar. A remote attacker can pass specially crafted input to the application and perform a denial of service (DoS) attack.

keylime
SUSE Linux Enterprise Desktop 15
SUSE Linux Enterprise High Performance Computing 15
SUSE Linux Enterprise Real Time 15
SUSE Linux Enterprise Server 15
SUSE Linux Enterprise Server for SAP Applications 15
SUSE Manager Server
SUSE Manager Retail Branch Server
SUSE Manager Proxy
Red Hat Enterprise Linux for IBM z Systems
Red Hat Enterprise Linux for x86_64
Red Hat Enterprise Linux for Power, little endian
Red Hat Enterprise Linux for ARM 64
Basesystem Module
openSUSE Leap
Fedora
keylime-agent
keylime-firewalld
keylime-logrotate
keylime-registrar
keylime-tpm_cert_store
python3-keylime
keylime-config
keylime-verifier
keylime (Red Hat package)
keylime

Install updates from vendor's website.

keylime - update to 7.4.0
keylime-agent - update to 6.3.2-150400.4.17.1
keylime-firewalld - update to 6.3.2-150400.4.17.1
keylime-logrotate - update to 6.3.2-150400.4.17.1
keylime-registrar - update to 6.3.2-150400.4.17.1
keylime-tpm_cert_store - update to 6.3.2-150400.4.17.1
python3-keylime - update to 6.3.2-150400.4.17.1
keylime-config - update to 6.3.2-150400.4.17.1
keylime-verifier - update to 6.3.2-150400.4.17.1
keylime (Red Hat package) - update to 6.5.2-6.el9_2
keylime - update to 6.6.0-2.fc38

• https://access.redhat.com/security/cve/CVE-2023-38200
• https://github.com/keylime/keylime/pull/1421
• https://bugzilla.redhat.com/show_bug.cgi?id=2222692

• Multiple vulnerabilities in Keylime
• SUSE update for keylime
• Red Hat Enterprise Linux 9 update for keylime
• Fedora 38 update for keylime