Advisory 61: Citrix Releases Security Updates for XenServer and Citrix Hypervisor
Release Date: 12 of April 2024
Impact : HIGH / CRITICAL
TLP Rating: Clear
CERT Vanuatu (CERTVU) and the Office of the Chief Information Officer (OGCIO) provide the following advisory.
What is it?
XenServer and Citrix Hypervisor Security Updates for CVE- 2023-46842, CVE-2024-2201 and CVE-2024-31142. Two issues have been identified that affect XenServer and Citrix Hypervisor.
CVE-2024-2201 – only affects deployments that use Intel CPUs while
CVE-2024-31142 – only affects deployments that use AMD CPUs.
CVE-2023-46842 – allows malicious privileged code running in a guest VM to cause the host to crash.
What are the Systems affected?
The following Fortinet Products are affected;
- XenServer 8
- Hypervisor 8.2 CU1 LTSR
What are the Systems affected?
The vulnerabilities may allow a cyber threat actor to exploit one of these vulnerabilities to take control of an affected system.
Mitigation process
CERTVU strongly encourages administrators to review the following Ivanti advisory and apply necessary security updates.
XenServer - We recommend that customers update to the latest version from their chosen channel as per the link:https://docs.xenserver.com/en-us/xenserver/8/update
Citrix Hypervisor 8.2 CU1 LTSR – We recommend users follow the hotfix as per the link below: https://support.citrix.com/article/CTX588044/hotfix-xs82ecu1062-for-citrix-hypervisor-82-cumulative-update-1
References
- https://support.citrix.com/article/CTX588044/hotfix-xs82ecu1062-for-citrix-hypervisor-82-cumulative-update-1
- https://support.citrix.com/article/CTX633151/xenserver-and-citrix-hypervisor-security-update-for-cve202346842-cve20242201-and-cve202431142
- https://support.citrix.com/article/CTX588044/hotfix-xs82ecu1062-for-citrix-hypervisor-82-cumulative-update-1
- Download advisory (English): Citrix Releases Security Updates for XenServer and Citrix Hypervisor
- Download advisory (Bislama): Citrix i Rilisim Sekuriti Apdeit blong XenServer mo Citrix Hypervisor
- Download advisory (French): Citrix publie les mises à jour de sécurité visant à corriger des vulnérabilités liées aux produits XenServer et Citrix Hypervisor