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Amazon Linux 2023 : vim-common, vim-data, vim-default-editor (ALAS2023-2023-431)

medium Nessus Plugin ID 185723

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Synopsis

The remote Amazon Linux 2023 host is missing a security update.

Description

It is, therefore, affected by a vulnerability as referenced in the ALAS2023-2023-431 advisory.

 Vim is an improved version of the good old UNIX editor Vi. Heap-use-after-free in memory allocated in the function `ga_grow_inner` in in the file `src/alloc.c` at line 748, which is freed in the file `src/ex_docmd.c` in the function `do_cmdline` at line 1010 and then used again in `src/cmdhist.c` at line 759. When using the `:history` command, it's possible that the provided argument overflows the accepted value. Causing an Integer Overflow and potentially later an use-after-free. This vulnerability has been patched in version 9.0.2068. (CVE-2023-46246)

Tenable has extracted the preceding description block directly from the tested product security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Run 'dnf update vim --releasever 2023.2.20231113' to update your system.

See Also

https://alas.aws.amazon.com/AL2023/ALAS-2023-431.html

https://alas.aws.amazon.com/cve/html/CVE-2023-46246.html

https://alas.aws.amazon.com/faqs.html

Plugin Details

Severity: Medium

ID: 185723

File Name: al2023_ALAS2023-2023-431.nasl

Version: 1.4

Type: local

Agent: unix

Published: 11/15/2023

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: 4.6

Temporal Score: 3.6

Vector: CVSS2#AV:L/AC:L/Au:S/C:N/I:N/A:C

CVSS Score Source: CVE-2023-46246

CVSS v3

Risk Factor: Medium

Base Score: 5.5

Temporal Score: 5

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/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:vim-filesystem, p-cpe:/a:amazon:linux:vim-data, p-cpe:/a:amazon:linux:vim-enhanced-debuginfo, p-cpe:/a:amazon:linux:vim-common, p-cpe:/a:amazon:linux:vim-minimal-debuginfo, p-cpe:/a:amazon:linux:xxd-debuginfo, p-cpe:/a:amazon:linux:xxd, p-cpe:/a:amazon:linux:vim-minimal, p-cpe:/a:amazon:linux:vim-enhanced, p-cpe:/a:amazon:linux:vim-default-editor, p-cpe:/a:amazon:linux:vim-debuginfo, cpe:/o:amazon:linux:2023, p-cpe:/a:amazon:linux:vim-debugsource

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: 11/9/2023

Vulnerability Publication Date: 10/27/2023

Reference Information

CVE: CVE-2023-46246