Detections
Analytics
Amazon Linux 2 : tar (ALAS-2023-1994)
medium Nessus Plugin ID 173239
Language:
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 ALAS2-2023-1994 advisory.- GNU Tar through 1.34 has a one-byte out-of-bounds read that results in use of uninitialized memory for a conditional jump. Exploitation to change the flow of control has not been demonstrated. The issue occurs in from_header in list.c via a V7 archive in which mtime has approximately 11 whitespace characters.
(CVE-2022-48303)
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-2023-1994.html
Plugin Details
Severity: Medium
ID: 173239
File Name: al2_ALAS-2023-1994.nasl
Version: 1.2
Type: local
Agent: unix
Published: 3/22/2023
Updated: 5/31/2023
Supported Sensors: Agentless Assessment, Continuous Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Nessus Agent, Nessus
Risk Information
VPR
Risk Factor: Medium
Score: 4.4
CVSS v2
Risk Factor: Medium
Base Score: 4.9
Temporal Score: 3.8
Vector: CVSS2#AV:L/AC:L/Au:N/C:N/I:N/A:C
CVSS Score Source: CVE-2022-48303
CVSS v3
Risk Factor: Medium
Base Score: 5.5
Temporal Score: 5
Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C
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 Available: true
Exploit Ease: Exploits are available
Patch Publication Date: 3/17/2023
Vulnerability Publication Date: 1/30/2023
Reference Information
CVE: CVE-2022-48303