The version of microcode_ctl installed on the remote host is prior to 2.1-47.44. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS-2024-1950 advisory.

    2024-12-05: CVE-2024-21820 was added to this advisory.

    2024-12-05: CVE-2024-23918 was added to this advisory.

    Incorrect default permissions in some Intel(R) Xeon(R) processor memory controller configurations when     using Intel(R) SGX may allow a privileged user to potentially enable escalation of privilege via local     access. (CVE-2024-21820)

    Improper conditions check in some Intel(R) Xeon(R) processor memory controller configurations when using     Intel(R) SGX may allow a privileged user to potentially enable escalation of privilege via local access.
    (CVE-2024-23918)

    NOTE: https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-01103.htmlNOTE:
    https://github.com/intel/Intel-Linux-Processor-Microcode-Data-     Files/releases/tag/microcode-20240910DEBIANBUG: [1081363] (CVE-2024-23984)

    Incorrect behavior order in transition between executive monitor and SMI transfer monitor (STM) in some     Intel(R) Processor may allow a privileged user to potentially enable escalation of privilege via local     access. (CVE-2024-24853)

    NOTE: https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-01097.htmlNOTE:
    https://github.com/intel/Intel-Linux-Processor-Microcode-Data-     Files/releases/tag/microcode-20240910DEBIANBUG: [1081363] (CVE-2024-24968)

    Protection mechanism failure in some 3rd, 4th, and 5th Generation Intel(R) Xeon(R) Processors may allow a     privileged user to potentially enable escalation of privilege via local access. (CVE-2024-24980)

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

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

Detections

Analytics

Amazon Linux AMI : microcode_ctl (ALAS-2024-1950)

high Nessus Plugin ID 210017

Version 1.2

Version 1.1

Version 1.2 Dec 11, 2024, 3:04 PM CVE (set "CVE" coverage to "CVE-2024-21820,CVE-2024-23918,CVE-2024-23984,CVE-2024-24853,CVE-2024-24968,CVE-2024-24980") CVSS metrics ("CVSSv2 score" set to 6.8) CVSS metrics ("CVSSv2 vector" set to "CVSS2#AV:L/AC:L/Au:S/C:C/I:C/A:C") CVSS metrics ("CVSSv3 score" set to 8.8) CVSS metrics ("CVSSv3 vector" set to "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H") CVSS metrics ("Cvssv4 score" set to 8.8) CVSS metrics ("Cvssv4 vector" set to "CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H") CVSSv2 score source (changed from "CVE-2024-24853" to "CVE-2024-23918") Detection (updated detection logic) Plugin metadata Plugin Feed: 202412111504
Version 1.1 Nov 1, 2024, 3:44 PM New Plugin Feed: 202411011544