Detections
Analytics
Amazon Linux 2 : screen (ALAS-2023-2023)
medium Nessus Plugin ID 175016
Language:
Synopsis
The remote Amazon Linux 2 host is missing a security update.Description
The version of screen installed on the remote host is prior to 4.1.0-0.27.20120314git3c2946. It is, therefore, affected by a vulnerability as referenced in the ALAS2-2023-2023 advisory.socket.c in GNU Screen through 4.9.0, when installed setuid or setgid (the default on platforms such as Arch Linux and FreeBSD), allows local users to send a privileged SIGHUP signal to any PID, causing a denial of service or disruption of the target process. (CVE-2023-24626)
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 screen' to update your system.See Also
https://alas.aws.amazon.com/AL2/ALAS-2023-2023.html
Plugin Details
Severity: Medium
ID: 175016
File Name: al2_ALAS-2023-2023.nasl
Version: 1.2
Type: local
Agent: unix
Published: 5/2/2023
Updated: 12/11/2024
Supported Sensors: Agentless Assessment, Continuous Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Nessus Agent, Nessus
Risk Information
VPR
Risk Factor: Medium
Score: 5.2
CVSS v2
Risk Factor: Medium
Base Score: 4.6
Temporal Score: 3.6
Vector: CVSS2#AV:L/AC:L/Au:S/C:N/I:N/A:C
CVSS Score Source: CVE-2023-24626
CVSS v3
Risk Factor: Medium
Base Score: 6.5
Temporal Score: 5.9
Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C
Vulnerability Information
CPE: cpe:/o:amazon:linux:2, p-cpe:/a:amazon:linux:screen-debuginfo, p-cpe:/a:amazon:linux:screen
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: 4/27/2023
Vulnerability Publication Date: 4/8/2023
Reference Information
CVE: CVE-2023-24626