#VU65412 Heap-based buffer overflow in Vim - CVE-2022-2284
Vulnerability identifier: #VU65412
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:
CWE-ID:
CWE-122
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 in utfc_ptr2len() function at mbyte.c:2113. A remote attacker can trick the victim into opening a specially crafted file, trigger a heap-based buffer overflow and execute arbitrary code on the target system.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
Vim: before 9.0.0017, 9.0.0017
External links
http://huntr.dev/bounties/571d25ce-8d53-4fa0-b620-27f2a8a14874
http://github.com/vim/vim/commit/3d51ce18ab1be4f9f6061568a4e7fabf00b21794
http://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/UXPO5EHDV6J4B27E65DOQGZFELUFPRSK/
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.
