CVE-2023-5344 - Vulnerability Details - OpenCVE

Heap-based Buffer Overflow in GitHub repository vim/vim prior to 9.0.1969.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

Attack Vector Local

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact Low

User Interaction None

No CVSS v2

This CVE is not in the KEV list.

Exploitation poc

Automatable no

Technical Impact partial

Vendors	Products
Fedoraproject	Fedora
Vim	Vim

Configuration 1 [-]

cpe:2.3:a:vim:vim:*:*:*:*:*:*:*:*

Configuration 2 [-]

OR	cpe:2.3:o:fedoraproject:fedora:37:::::::*
	cpe:2.3:o:fedoraproject:fedora:38:::::::*

No data.

References

Link	Providers
http://seclists.org/fulldisclosure/2023/Dec/10
http://seclists.org/fulldisclosure/2023/Dec/11
http://seclists.org/fulldisclosure/2023/Dec/9
https://github.com/vim/vim/commit/3bd7fa12e146c6051490d048a4acbfba974eeb04
https://huntr.dev/bounties/530cb762-899e-48d7-b50e-dad09eb775bf
https://huntr.dev/bounties/530cb762-899e-48d7-b50e-dad09eb775bf/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4W665GQBN6S6ZDMYWVF4X7KMFI7AQKJL/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/XPT7NMYJRLBPIALGSE24UWTY6F774GZW/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZOXBUJLJ5VSPN3YXWN7XZA4JDYKNE7GZ/
https://nvd.nist.gov/vuln/detail/CVE-2023-5344
https://support.apple.com/kb/HT214036
https://support.apple.com/kb/HT214037
https://support.apple.com/kb/HT214038
https://www.cve.org/CVERecord?id=CVE-2023-5344

History

Wed, 18 Jun 2025 14:15:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

MITRE

Status: PUBLISHED

Assigner: @huntrdev

Published: 2023-10-02T19:20:30.352Z

Updated: 2025-06-18T13:55:58.725Z

Reserved: 2023-10-02T19:20:20.807Z

Link: CVE-2023-5344

Vulnrichment

Updated: 2024-08-02T07:52:08.576Z

NVD

Status : Modified

Published: 2023-10-02T20:15:10.327

Modified: 2024-11-21T08:41:34.530

Link: CVE-2023-5344

Redhat

Severity : Low

Publid Date: 2023-10-02T00:00:00Z

Links: CVE-2023-5344 - Bugzilla

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{"bugzilla": {"description": "vim: Heap-based Buffer Overflow in trunc_string()", "id": "2242141", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2242141"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.3", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L", "status": "draft"}, "cwe": "CWE-122", "details": ["Heap-based Buffer Overflow in GitHub repository vim/vim prior to 9.0.1969.", "A heap-based buffer overflow vulnerability was found in Vim's trunc_string() function of the src/message.c file. This flaw allows an attacker to trick a user into opening a specially crafted file, triggering a heap-based buffer overflow that causes an application to crash, leading to a denial of service."], "mitigation": {"lang": "en:us", "value": "Untrusted vim scripts with -s [scriptin] are not recommended to run."}, "name": "CVE-2023-5344", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "vim", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "vim", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "package_name": "vim", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "vim", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2023-10-02T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2023-5344\nhttps://nvd.nist.gov/vuln/detail/CVE-2023-5344\nhttps://huntr.dev/bounties/530cb762-899e-48d7-b50e-dad09eb775bf/"], "statement": "Red Hat Product Security has rated this issue as having a Low security impact, because the \"victim\" has to run an untrusted file IN SCRIPT MODE. Someone who is running untrusted files in script mode is equivalent to someone just taking a random python script and running it.\nSince Red Hat Enterprise Linux 6, 7 are Out-of-Support-Scope for Low/Moderate flaws, the issue is not currently planned to be addressed in future updates for RHEL-6,7. Only Important and Critical severity flaws will be addressed at this time.\nFor additional information, refer to the Issue Severity Classification: https://access.redhat.com/security/updates/classification/ and Red Hat Enterprise Linux Life Cycle & Updates Policy: https://access.redhat.com/support/policy/updates/errata/.", "threat_severity": "Low"}