Detections
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Amazon Linux 2023 : python3-configobj (ALAS2023-2023-254)
medium Nessus Plugin ID 178556
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Synopsis
The remote Amazon Linux 2023 host is missing a security update.Description
It is, therefore, affected by a vulnerability as referenced in the ALAS2023-2023-254 advisory.- All versions of the package configobj are vulnerable to Regular Expression Denial of Service (ReDoS) via the validate function, using (.+?)\((.*)\). **Note:** This is only exploitable in the case of a developer, putting the offending value in a server side configuration file. (CVE-2023-26112)
Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.
Solution
Run 'dnf update python-configobj --releasever 2023.1.20230719' to update your system.See Also
https://alas.aws.amazon.com/AL2023/ALAS-2023-254.html
Plugin Details
Severity: Medium
ID: 178556
File Name: al2023_ALAS2023-2023-254.nasl
Version: 1.1
Type: local
Agent: unix
Published: 7/20/2023
Updated: 7/20/2023
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: 5.4
Temporal Score: 4.2
Vector: CVSS2#AV:N/AC:H/Au:N/C:N/I:N/A:C
CVSS Score Source: CVE-2023-26112
CVSS v3
Risk Factor: Medium
Base Score: 5.9
Temporal Score: 5.3
Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/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:python3-configobj, cpe:/o:amazon:linux:2023
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: 7/17/2023
Vulnerability Publication Date: 4/3/2023
Reference Information
CVE: CVE-2023-26112