#VU87189 Stack-based buffer overflow in Vim - CVE-2024-22667

Vulnerability identifier: #VU87189

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-2024-22667

CWE-ID: CWE-121

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 execute arbitrary code on the target system.

The vulnerability exists due to a boundary error within the did_set_langmap() function in map.c. A remote attacker can trick the victim to open a specially crafted file, trigger a stack-based buffer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Vim: 9.0.0000 - 9.0.2141

---

External links
http://github.com/vim/vim/commit/b39b240c386a5a29241415541f1c99e2e6b8ce47
http://gist.githubusercontent.com/henices/2467e7f22dcc2aa97a2453e197b55a0c/raw/7b54bccc9a129c604fb139266f4497ab7aaa94c7/gistfile1.txt

---

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.