CVE-2021-4173
HIGH severity · CVSS 7.8 · Use-after-free
7.8CVSS HIGH
Summary
vim is vulnerable to Use After Free
Impact & exploitability
Attack vectorLocal
Attack complexityLow
Privileges requiredNone
User interactionRequired
Confidentiality impactHigh
Integrity impactHigh
Availability impactHigh
Exploit probability (EPSS)2%
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Recommendation
Apply the vendor fix promptly. Open any affected product above for its exact safe version.
Official patch: https://github.com/vim/vim/commit/9c23f9bb5fe435b28245ba8ac65aa0ca6b902c04 ↗
Additional information
- NVD record
- https://github.com/vim/vim/commit/9c23f9bb5fe435b28245ba8ac65aa0ca6b902c04Patch
- http://seclists.org/fulldisclosure/2022/Jul/14Advisory
- http://seclists.org/fulldisclosure/2022/Mar/29Advisory
- http://seclists.org/fulldisclosure/2022/May/35Advisory
- http://www.openwall.com/lists/oss-security/2022/01/15/1Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2EY2VFBU3YGGWI5BW4XKT3F37MYGEQUD/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3FH2J57GDA2WMBS6J56F6QQRA6BXQQFZ/
- https://huntr.dev/bounties/a1b236b9-89fb-4ccf-9689-ba11b471e766Advisory