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CBL Mariner 2.0 Security Update: libtar (CVE-2021-33646)

high Nessus Plugin ID 201693

Synopsis

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

Description

The version of libtar 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-2021-33646 advisory.

 - The th_read() function doesn't free a variable t->th_buf.gnu_longname after allocating memory, which may cause a memory leak. (CVE-2021-33646)

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-2021-33646

Plugin Details

Severity: High

ID: 201693

File Name: mariner_CVE-2021-33646.nasl

Version: 1.1

Type: local

Published: 7/3/2024

Updated: 7/3/2024

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:N/I:N/A:C

CVSS Score Source: CVE-2021-33646

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:N/I:N/A:H

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:libtar, p-cpe:/a:microsoft:cbl-mariner:libtar-devel, p-cpe:/a:microsoft:cbl-mariner:libtar-debuginfo

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

Exploit Ease: No known exploits are available

Patch Publication Date: 7/1/2024

Vulnerability Publication Date: 8/10/2022

Reference Information

CVE: CVE-2021-33646