Detections
Analytics
Amazon Linux 2 : unzip (ALAS-2023-1906)
medium Nessus Plugin ID 170441
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Synopsis
The remote Amazon Linux 2 host is missing a security update.Description
The version of unzip installed on the remote host is prior to 6.0-57. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2-2023-1906 advisory.A flaw was found in unzip. The vulnerability occurs due to improper handling of Unicode strings, which can lead to a null pointer dereference. This flaw allows an attacker to input a specially crafted zip file, leading to a crash or code execution. (CVE-2021-4217)
A flaw was found in Unzip. The vulnerability occurs during the conversion of a wide string to a local string that leads to a heap of out-of-bound write. This flaw allows an attacker to input a specially crafted zip file, leading to a crash or code execution. (CVE-2022-0529)
A flaw was found in Unzip. The vulnerability occurs during the conversion of a UTF-8 string to a local string that leads to a segmentation fault. This flaw allows an attacker to input a specially crafted zip file, leading to a crash or code execution. (CVE-2022-0530)
Tenable has extracted the preceding description block directly from the tested product security advisory.
Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.
Solution
Run 'yum update unzip' to update your system.See Also
https://alas.aws.amazon.com/AL2/ALAS-2023-1906.html
https://alas.aws.amazon.com/cve/html/CVE-2021-4217.html
Plugin Details
Severity: Medium
ID: 170441
File Name: al2_ALAS-2023-1906.nasl
Version: 1.2
Type: local
Agent: unix
Published: 1/24/2023
Updated: 12/11/2024
Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Continuous Assessment, Nessus
Risk Information
VPR
Risk Factor: Medium
Score: 4.4
CVSS v2
Risk Factor: Medium
Base Score: 4.3
Temporal Score: 3.4
Vector: CVSS2#AV:N/AC:M/Au:N/C:N/I:N/A:P
CVSS Score Source: CVE-2022-0530
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:unzip, cpe:/o:amazon:linux:2, p-cpe:/a:amazon:linux:unzip-debuginfo
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: 1/18/2023
Vulnerability Publication Date: 2/9/2022