Detections
Analytics
Amazon Linux AMI : yasm (ALAS-2023-1724)
medium Nessus Plugin ID 173934
Language:
Synopsis
The remote Amazon Linux AMI host is missing a security update.Description
The version of yasm installed on the remote host is prior to 1.2.0-1.5. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS-2023-1724 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 'yum update yasm' to update your system.See Also
https://alas.aws.amazon.com/ALAS-2023-1724.html
https://alas.aws.amazon.com/cve/html/CVE-2021-33454.html
Plugin Details
Severity: Medium
ID: 173934
File Name: ala_ALAS-2023-1724.nasl
Version: 1.2
Type: local
Agent: unix
Published: 4/6/2023
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-debuginfo, p-cpe:/a:amazon:linux:yasm, p-cpe:/a:amazon:linux:yasm-devel, cpe:/o:amazon:linux
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