#VU64711 Out-of-bounds read in Vim - CVE-2022-2183

Vulnerability identifier: #VU64711

Vulnerability risk: Low

CVSSv4.0: 0.2 [CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2022-2183

CWE-ID: CWE-125

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 gain access to potentially sensitive information.

The vulnerability exists due to a boundary condition in indent.c. A remote attacker can create a specially crafted file, trick the victim into opening it, trigger out-of-bounds read error and read contents of memory on the system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Vim: 8.2.0 - 8.2.5150

---

External links
https://github.com/vim/vim/commit/8eba2bd291b347e3008aa9e565652d51ad638cfa
https://huntr.dev/bounties/d74ca3f9-380d-4c0a-b61c-11113cc98975

---

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.