Detections
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CBL Mariner 2.0 Security Update: edk2 / hvloader (CVE-2023-45236)

high Nessus Plugin ID 201563

Synopsis

The remote CBL Mariner host is missing one or more security updates.

Description

The version of edk2 / hvloader installed on the remote CBL Mariner 2.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2023-45236 advisory.

 - EDK2's Network Package is susceptible to a predictable TCP Initial Sequence Number. This vulnerability can be exploited by an attacker to gain unauthorized access and potentially lead to a loss of Confidentiality.
 (CVE-2023-45236)

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

Solution

Update the affected packages.

See Also

https://nvd.nist.gov/vuln/detail/CVE-2023-45236

Plugin Details

Severity: High

ID: 201563

File Name: mariner_CVE-2023-45236.nasl

Version: 1.2

Type: local

Published: 7/3/2024

Updated: 9/25/2024

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 5.8

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:N/A:N

CVSS Score Source: CVE-2023-45236

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:microsoft:cbl-mariner:edk2-tools-doc, p-cpe:/a:microsoft:cbl-mariner:edk2-tools-python, x-cpe:/o:microsoft:cbl-mariner, p-cpe:/a:microsoft:cbl-mariner:hvloader, p-cpe:/a:microsoft:cbl-mariner:edk2-ovmf-xen, p-cpe:/a:microsoft:cbl-mariner:edk2-tools, p-cpe:/a:microsoft:cbl-mariner:edk2-ext4, p-cpe:/a:microsoft:cbl-mariner:edk2-ovmf, p-cpe:/a:microsoft:cbl-mariner:edk2-ovmf-ia32

Required KB Items: Host/local_checks_enabled, Host/cpu, Host/CBLMariner/release, Host/CBLMariner/rpm-list

Exploit Ease: No known exploits are available

Patch Publication Date: 7/1/2024

Vulnerability Publication Date: 1/16/2024

Reference Information

CVE: CVE-2023-45236