CVE-2023-1170 - Vulnerability Details - OpenCVE

Heap-based Buffer Overflow in GitHub repository vim/vim prior to 9.0.1376.

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact Low

Integrity Impact Low

Availability Impact High

User Interaction Required

Attack Vector Local

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction Required

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00078.

Exploitation poc

Automatable no

Technical Impact partial

Vendors	Products
Vim	Vim

Configuration 1 [-]

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

No data.

No data.

Advisories

Source	ID	Title
EUVD	EUVD-2023-23452	Heap-based Buffer Overflow in GitHub repository vim/vim prior to 9.0.1376.
Ubuntu USN	USN-5963-1	Vim vulnerabilities

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References

Link	Providers
https://github.com/vim/vim/commit/1c73b65229c25e3c1fd8824ba958f7cc4d604f9c
https://huntr.dev/bounties/286e0090-e654-46d2-ac60-29f81799d0a4
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DIAKPMKJ4OZ6NYRZJO7YWMNQL2BICLYV/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IE44W6WMMREYCW3GJHPSYP7NK2VT5NY6/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/X4KDAU76Z7QNSPKZX2JAJ6O7KIEOXWTL/
https://nvd.nist.gov/vuln/detail/CVE-2023-1170
https://www.cve.org/CVERecord?id=CVE-2023-1170

History

Mon, 10 Mar 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: 2023-03-03T00:00:00.000Z

Updated: 2025-03-07T21:43:59.011Z

Reserved: 2023-03-03T00:00:00.000Z

Link: CVE-2023-1170

Vulnrichment

Updated: 2024-08-02T05:40:58.916Z

NVD

Status : Modified

Published: 2023-03-03T23:15:11.830

Modified: 2024-11-21T07:38:36.007

Link: CVE-2023-1170

Redhat

Severity : Low

Publid Date: 2023-03-04T00:00:00Z

Links: CVE-2023-1170 - Bugzilla

OpenCVE Enrichment

No data.

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{"bugzilla": {"description": "vim: Heap-based Buffer Overflow", "id": "2176462", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2176462"}, "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->CWE-125", "details": ["Heap-based Buffer Overflow in GitHub repository vim/vim prior to 9.0.1376.", "A heap-based buffer overflow vulnerability was found in Vim's utf_ptr2char() function of the src/mbyte.c file. This flaw occurs because there is access to invalid memory with put in visual block mode. An attacker can trick a user into opening a specially crafted file, triggering an out-of-bounds read 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-2023-1170", "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": "2023-03-04T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2023-1170\nhttps://nvd.nist.gov/vuln/detail/CVE-2023-1170\nhttps://huntr.dev/bounties/286e0090-e654-46d2-ac60-29f81799d0a4"], "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"}