Vulnerability Details : CVE-2021-3872
vim is vulnerable to Heap-based Buffer Overflow
Vulnerability category: OverflowMemory Corruption
Products affected by CVE-2021-3872
- cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*
- cpe:2.3:a:vim:vim:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-3872
0.10%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 42 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-3872
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
6.8
|
MEDIUM | AV:N/AC:M/Au:N/C:P/I:P/A:P |
8.6
|
6.4
|
NIST | |
|
7.8
|
HIGH | CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
1.8
|
5.9
|
huntr.dev | |
|
7.8
|
HIGH | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
1.8
|
5.9
|
NIST |
CWE ids for CVE-2021-3872
-
A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc().Assigned by: security@huntr.dev (Primary)
-
The product writes data past the end, or before the beginning, of the intended buffer.Assigned by: nvd@nist.gov (Secondary)
References for CVE-2021-3872
-
https://security.gentoo.org/glsa/202208-32
Vim, gVim: Multiple Vulnerabilities (GLSA 202208-32) — Gentoo securityThird Party Advisory
-
https://huntr.dev/bounties/c958013b-1c09-4939-92ca-92f50aa169e8
huntr: Heap-based Buffer Overflow Vim script Vulnerability in vimExploit;Patch;Third Party Advisory
-
https://github.com/vim/vim/commit/826bfe4bbd7594188e3d74d2539d9707b1c6a14b
patch 8.2.3487: illegal memory access if buffer name is very long · vim/vim@826bfe4 · GitHubPatch;Third Party Advisory
-
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/7K4JJBIH3OQSZRVTWKCJCDLGMFGQ5DOH/
[SECURITY] Fedora 35 Update: vim-8.2.3512-1.fc35 - package-announce - Fedora Mailing-ListsMailing List;Third Party Advisory
-
https://lists.debian.org/debian-lts-announce/2022/03/msg00018.html
[SECURITY] [DLA 2947-1] vim security updateMailing List;Third Party Advisory
-
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/S42L4Z4DTW4LHLQ4FJ33VEOXRCBE7WN4/
[SECURITY] Fedora 33 Update: vim-8.2.3512-1.fc33 - package-announce - Fedora Mailing-ListsMailing List;Third Party Advisory
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