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)
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: 1.1
Type: local
Agent: unix
Published: 10/5/2023
Updated: 10/6/2023
Supported Sensors: Agentless 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-doc, cpe:/o:amazon:linux:2, p-cpe:/a:amazon:linux:nasm, p-cpe:/a:amazon:linux:nasm-debuginfo, p-cpe:/a:amazon:linux:nasm-rdoff
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