Vulnerability identifier: #VU73169

Vulnerability risk: Low

CVSSv3.1: 2.7 [CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-1127

CWE-ID: CWE-369

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Vim
Client/Desktop applications / Office applications

Vendor: Vim.org

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a divide by zero error within the scrolldown() function in move.c. A remote attacker can trick the victim to open a specially crafted file and crash the editor.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Vim: 9.0.0000 - 9.0.1366

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External links
http://github.com/vim/vim/commit/e0f869196930ef5f25a0ac41c9215b09c9ce2d3c
http://huntr.dev/bounties/2d4d309e-4c96-415f-9070-36d0815f1beb
http://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/PDVN5HSWPNVP4QXBPCEGZDLZKURLJWTE/

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.