Vulnerability · Published Dec 31, 2021 · Assigned by @huntrdev
CVE-2021-4192Use After Free in vim/vim
Medium 5.5
In plain English
A medium-severity use-after-free in vim/vim from vim. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.8% (higher than 79% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.0)5.5Medium
Exploit odds (30 days)1.8%top 20.8% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
vim is vulnerable to Use After Free
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux:8 | vim-X11 | 2:8.0.1763-16.el8_5.13 | ALSA-2022:0366 |
| AlmaLinux:8 | vim-common | 2:8.0.1763-16.el8_5.13 | ALSA-2022:0366 |
| AlmaLinux:8 | vim-enhanced | 2:8.0.1763-16.el8_5.13 | ALSA-2022:0366 |
| AlmaLinux:8 | vim-filesystem | 2:8.0.1763-16.el8_5.13 | ALSA-2022:0366 |
| AlmaLinux:8 | vim-minimal | 2:8.0.1763-16.el8_5.13 | ALSA-2022:0366 |
| Alpine:v3.20 | vim | 8.2.4173-r0 | ALPINE-CVE-2021-4192 |
| Alpine:v3.21 | vim | 8.2.4173-r0 | ALPINE-CVE-2021-4192 |
| Alpine:v3.22 | vim | 8.2.4173-r0 | ALPINE-CVE-2021-4192 |
| Alpine:v3.23 | vim | 8.2.4173-r0 | ALPINE-CVE-2021-4192 |
| Alpine:v3.24 | vim | 8.2.4173-r0 | ALPINE-CVE-2021-4192 |
| Debian:12 | vim | 2:8.2.3995-1 | DEBIAN-CVE-2021-4192 |
| Debian:13 | vim | 2:8.2.3995-1 | DEBIAN-CVE-2021-4192 |
| Debian:14 | vim | 2:8.2.3995-1 | DEBIAN-CVE-2021-4192 |
| Rocky Linux:8 | vim | 2:8.0.1763-16.el8_5.4 | RLSA-2022:0366 |
| Ubuntu:22.04:LTS | vim | 2:8.2.3995-1ubuntu2.7 | USN-6026-1 |
Affected products (as reported)
Weakness: CWE-416 · Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
References
- https://huntr.dev/bounties/6dd9cb2e-a940-4093-856e-59b502429f22
- https://github.com/vim/vim/commit/4c13e5e6763c6eb36a343a2b8235ea227202e952
- [oss-security] 20220114 Re: 3 new CVE's in vim mailing-list
- FEDORA-2022-48b86d586f vendor-advisory
- [debian-lts-announce] 20220311 [SECURITY] [DLA 2947-1] vim security update mailing-list
- https://support.apple.com/kb/HT213183
- 20220314 APPLE-SA-2022-03-14-4 macOS Monterey 12.3 mailing-list
- https://support.apple.com/kb/HT213256
- 20220516 APPLE-SA-2022-05-16-3 macOS Big Sur 11.6.6 mailing-list
- https://support.apple.com/kb/HT213343
- 20220721 APPLE-SA-2022-07-20-4 Security Update 2022-005 Catalina mailing-list
- GLSA-202208-32 vendor-advisory
- [debian-lts-announce] 20221108 [SECURITY] [DLA 3182-1] vim security update mailing-list