#VU63045 Out-of-bounds write in Vim - CVE-2022-1381


Vulnerability identifier: #VU63045

Vulnerability risk: High

CVSSv4.0: 5.7 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2022-1381

CWE-ID: CWE-787

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Vim
Client/Desktop applications / Software for system administration

Vendor: Vim.org

Description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a boundary error when processing untrusted input. A remote attacker can create a specially crafted file, trick the victim into opening it using the affected software, trigger out-of-bounds write and execute arbitrary code on the target system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Vim: 8.2.0 - 8.2.4762


External links
https://huntr.dev/bounties/55f9c0e8-c221-48b6-a00e-bdcaebaba4a4
https://github.com/vim/vim/commit/f50808ed135ab973296bca515ae4029b321afe47
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/X6E457NYOIRWBJHKB7ON44UY5AVTG4HU/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/KVPZVE2CIE2NGCHZDMEHPBWN3LK2UQAA/


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