#VU66633 Heap-based buffer overflow in Vim


Published: 2022-08-18

Vulnerability identifier: #VU66633

Vulnerability risk: Low

CVSSv3.1: 3.8 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-2598

CWE-ID: CWE-122

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 boundary error within the diff_write_buffer() function in diff.c. A remote attacker can trick the victim to open a specially crafted file, trigger a heap-based buffer overflow and crash the application.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Vim: 9.0.0000 - 9.0.0099


External links
http://github.com/vim/vim/commit/4e677b9c40ccbc5f090971b31dc2fe07bf05541d
http://huntr.dev/bounties/2f08363a-47a2-422d-a7de-ce96a89ad08e


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.


Latest bulletins with this vulnerability