Rocky Linux 8 : tpm2-tools (RLSA-2021:4413)

medium Nessus Plugin ID 185001

Synopsis

The remote Rocky Linux host is missing a security update.

Description

The remote Rocky Linux 8 host has packages installed that are affected by a vulnerability as referenced in the RLSA-2021:4413 advisory.

- A flaw was found in tpm2-tools in versions before 5.1.1 and before 4.3.2. tpm2_import used a fixed AES key for the inner wrapper, potentially allowing a MITM attacker to unwrap the inner portion and reveal the key being imported. The highest threat from this vulnerability is to data confidentiality. (CVE-2021-3565)

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 tpm2-tools, tpm2-tools-debuginfo and / or tpm2-tools-debugsource packages.

See Also

https://errata.rockylinux.org/RLSA-2021:4413

https://bugzilla.redhat.com/show_bug.cgi?id=1964427

Plugin Details

Severity: Medium

ID: 185001

File Name: rocky_linux_RLSA-2021-4413.nasl

Version: 1.0

Type: local

Published: 11/7/2023

Updated: 11/7/2023

Supported Sensors: Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Medium

Base Score: 4.3

Temporal Score: 3.2

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

CVSS Score Source: CVE-2021-3565

CVSS v3

Risk Factor: Medium

Base Score: 5.9

Temporal Score: 5.2

Vector: CVSS:3.0/AV:N/AC:H/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:rocky:linux:tpm2-tools, p-cpe:/a:rocky:linux:tpm2-tools-debugsource, cpe:/o:rocky:linux:8, p-cpe:/a:rocky:linux:tpm2-tools-debuginfo

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

Exploit Ease: No known exploits are available

Patch Publication Date: 11/9/2021

Vulnerability Publication Date: 6/4/2021

Reference Information

CVE: CVE-2021-3565