Detections
Analytics
Amazon Linux 2 : tar (ALAS-2023-2064)
critical Nessus Plugin ID 176711
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Synopsis
The remote Amazon Linux 2 host is missing a security update.Description
The version of tar installed on the remote host is prior to 1.26-35. It is, therefore, affected by a vulnerability as referenced in the ALAS2-2023-2064 advisory.pax_decode_header in sparse.c in GNU Tar before 1.32 had a NULL pointer dereference when parsing certain archives that have malformed extended headers. (CVE-2019-9923)
Tenable has extracted the preceding description block directly from the tested product security advisory.
Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.
Solution
Run 'yum update tar' to update your system.See Also
https://alas.aws.amazon.com/AL2/ALAS-2023-2064.html
Plugin Details
Severity: Critical
ID: 176711
File Name: al2_ALAS-2023-2064.nasl
Version: 1.1
Type: local
Agent: unix
Published: 6/5/2023
Updated: 12/11/2024
Supported Sensors: Agentless Assessment, Continuous Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Nessus Agent, Nessus
Risk Information
VPR
Risk Factor: Low
Score: 3.6
CVSS v2
Risk Factor: Medium
Base Score: 5
Temporal Score: 3.7
Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P
CVSS Score Source: CVE-2019-9923
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
CVSS v4
Risk Factor: Critical
Base Score: 9.3
Threat Score: 8.1
Threat Vector: CVSS:4.0/E:U
Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Vulnerability Information
CPE: p-cpe:/a:amazon:linux:tar-debuginfo, cpe:/o:amazon:linux:2, p-cpe:/a:amazon:linux:tar
Required KB Items: Host/local_checks_enabled, Host/AmazonLinux/release, Host/AmazonLinux/rpm-list
Exploit Ease: No known exploits are available
Patch Publication Date: 5/25/2023
Vulnerability Publication Date: 3/22/2019
Reference Information
CVE: CVE-2019-9923