Detections
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CBL Mariner 2.0 Security Update: libnbd (CVE-2021-20286)

low Nessus Plugin ID 206374

Synopsis

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

Description

The version of libnbd 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-2021-20286 advisory.

 - A flaw was found in libnbd 1.7.3. An assertion failure in nbd_unlocked_opt_go in ilb/opt.c May lead to denial of service. (CVE-2021-20286)

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-2021-20286

Plugin Details

Severity: Low

ID: 206374

File Name: mariner_CVE-2021-20286.nasl

Version: 1.2

Type: local

Published: 8/30/2024

Updated: 11/2/2024

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Low

Score: 1.4

CVSS v2

Risk Factor: Medium

Base Score: 4

Temporal Score: 3

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

CVSS Score Source: CVE-2021-20286

CVSS v3

Risk Factor: Low

Base Score: 2.7

Temporal Score: 2.4

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

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

Vulnerability Information

CPE: x-cpe:/o:microsoft:cbl-mariner, p-cpe:/a:microsoft:cbl-mariner:libnbd, p-cpe:/a:microsoft:cbl-mariner:libnbd-bash-completion, p-cpe:/a:microsoft:cbl-mariner:libnbd-debuginfo, p-cpe:/a:microsoft:cbl-mariner:libnbd-devel, p-cpe:/a:microsoft:cbl-mariner:nbdfuse, p-cpe:/a:microsoft:cbl-mariner:ocaml-libnbd, p-cpe:/a:microsoft:cbl-mariner:ocaml-libnbd-devel, p-cpe:/a:microsoft:cbl-mariner:python3-libnbd

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: 8/13/2024

Vulnerability Publication Date: 3/15/2021

Reference Information

CVE: CVE-2021-20286