Detections
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Amazon Linux 2 : nasm (ALAS-2023-2277)
medium Nessus Plugin ID 182636
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Synopsis
The remote Amazon Linux 2 host is missing a security update.Description
The version of nasm installed on the remote host is prior to 2.15.03-3. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2-2023-2277 advisory.A Use After Free vulnerability in function new_Token in asm/preproc.c in nasm 2.14.02 allows attackers to cause a denial of service via crafted nasm command. (CVE-2020-18780)
A Segmentation Fault issue discovered in in ieee_segment function in outieee.c in nasm 2.14.03 and 2.15 allows remote attackers to cause a denial of service via crafted assembly file. (CVE-2020-21528)
NASM v2.16 was discovered to contain a segmentation violation in the component ieee_write_file at /output/outieee.c. (CVE-2022-46457)
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 nasm' to update your system.See Also
https://alas.aws.amazon.com/AL2/ALAS-2023-2277.html
https://alas.aws.amazon.com/cve/html/CVE-2020-18780.html
https://alas.aws.amazon.com/cve/html/CVE-2020-21528.html
Plugin Details
Severity: Medium
ID: 182636
File Name: al2_ALAS-2023-2277.nasl
Version: 1.2
Type: local
Agent: unix
Published: 10/5/2023
Updated: 12/11/2024
Supported Sensors: Agentless Assessment, Continuous Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Nessus Agent, Nessus
Risk Information
VPR
Risk Factor: 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-2022-46457
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:nasm-debuginfo, cpe:/o:amazon:linux:2, p-cpe:/a:amazon:linux:nasm-doc, p-cpe:/a:amazon:linux:nasm-rdoff, p-cpe:/a:amazon:linux:nasm
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: 9/27/2023
Vulnerability Publication Date: 1/4/2023