Detections
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Amazon Linux 2023 : yasm, yasm-devel (ALAS2023-2023-157)
medium Nessus Plugin ID 173843
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Synopsis
The remote Amazon Linux 2023 host is missing a security update.Description
It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2023-2023-157 advisory.An issue was discovered in yasm version 1.3.0. There is a NULL pointer dereference in yasm_expr_get_intnum() in libyasm/expr.c. (CVE-2021-33454)
An issue was discovered in yasm version 1.3.0. There is a NULL pointer dereference in nasm_parser_directive() in modules/parsers/nasm/nasm-parse.c. (CVE-2021-33459)
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 'dnf update yasm --releasever=2023.0.20230329' to update your system.See Also
https://alas.aws.amazon.com/AL2023/ALAS-2023-157.html
https://alas.aws.amazon.com/cve/html/CVE-2021-33454.html
Plugin Details
Severity: Medium
ID: 173843
File Name: al2023_ALAS2023-2023-157.nasl
Version: 1.2
Type: local
Agent: unix
Published: 4/4/2023
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-2021-33459
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:yasm-devel, p-cpe:/a:amazon:linux:yasm-debugsource, p-cpe:/a:amazon:linux:yasm, p-cpe:/a:amazon:linux:yasm-debuginfo, 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: 3/30/2023
Vulnerability Publication Date: 7/26/2022
Reference Information
CVE: CVE-2021-33454, CVE-2021-33459