Detections
Analytics
Amazon Linux 2 : vim (ALAS-2021-1728)
critical Nessus Plugin ID 155982
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Synopsis
The remote Amazon Linux 2 host is missing a security update.Description
It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2-2021-1728 advisory.- Buffer Overflow vulnerability in VIM v.8.1.2135 allows a remote attacker to execute arbitrary code via the operand parameter. (CVE-2020-20703)
- vim is vulnerable to Heap-based Buffer Overflow (CVE-2021-3778, CVE-2021-3872, CVE-2021-3875, CVE-2021-3968, CVE-2021-3973)
- vim is vulnerable to Use After Free (CVE-2021-3796, CVE-2021-3974)
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 vim' to update your system.See Also
https://alas.aws.amazon.com/AL2/ALAS-2021-1728.html
https://alas.aws.amazon.com/cve/html/CVE-2020-20703.html
https://alas.aws.amazon.com/cve/html/CVE-2021-3778.html
https://alas.aws.amazon.com/cve/html/CVE-2021-3796.html
https://alas.aws.amazon.com/cve/html/CVE-2021-3872.html
https://alas.aws.amazon.com/cve/html/CVE-2021-3875.html
https://alas.aws.amazon.com/cve/html/CVE-2021-3968.html
https://alas.aws.amazon.com/cve/html/CVE-2021-3973.html
Plugin Details
Severity: Critical
ID: 155982
File Name: al2_ALAS-2021-1728.nasl
Version: 1.7
Type: local
Agent: unix
Published: 12/10/2021
Updated: 5/13/2024
Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Nessus
Risk Information
VPR
Risk Factor: Medium
Score: 6.7
CVSS v2
Risk Factor: High
Base Score: 9.3
Temporal Score: 7.3
Vector: CVSS2#AV:N/AC:M/Au:N/C:C/I:C/A:C
CVSS Score Source: CVE-2021-3973
CVSS v3
Risk Factor: Critical
Base Score: 9.8
Temporal Score: 8.8
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C
CVSS Score Source: CVE-2020-20703
Vulnerability Information
CPE: p-cpe:/a:amazon:linux:vim-x11, p-cpe:/a:amazon:linux:vim-common, p-cpe:/a:amazon:linux:vim-debuginfo, p-cpe:/a:amazon:linux:vim-enhanced, p-cpe:/a:amazon:linux:vim-filesystem, p-cpe:/a:amazon:linux:vim-minimal, cpe:/o:amazon:linux:2
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: 12/8/2021
Vulnerability Publication Date: 9/15/2021
Reference Information
CVE: CVE-2020-20703, CVE-2021-3778, CVE-2021-3796, CVE-2021-3872, CVE-2021-3875, CVE-2021-3968, CVE-2021-3973, CVE-2021-3974
ALAS: 2021-1728