Vulnerability Details : CVE-2021-3770
Potential exploit
vim is vulnerable to Heap-based Buffer Overflow
Vulnerability category: OverflowMemory Corruption
Products affected by CVE-2021-3770
- cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*
- cpe:2.3:a:vim:vim:*:*:*:*:*:*:*:*
- cpe:2.3:a:netapp:ontap_select_deploy_administration_utility:-:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-3770
0.05%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 25 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-3770
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
4.6
|
MEDIUM | AV:L/AC:L/Au:N/C:P/I:P/A:P |
3.9
|
6.4
|
NIST | |
8.6
|
HIGH | CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H |
1.8
|
6.0
|
huntr.dev | |
7.8
|
HIGH | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
1.8
|
5.9
|
NIST |
CWE ids for CVE-2021-3770
-
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-2021-3770
-
https://security.gentoo.org/glsa/202208-32
Vim, gVim: Multiple Vulnerabilities (GLSA 202208-32) — Gentoo securityThird Party Advisory
-
https://security.netapp.com/advisory/ntap-20221124-0003/
CVE-2021-3770 Vim Vulnerability in NetApp Products | NetApp Product SecurityThird Party Advisory
-
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZFNTMVZCN4TRTTCAXRLVQ7H2P7FYAIZQ/
[SECURITY] Fedora 35 Update: vim-8.2.3404-1.fc35 - package-announce - Fedora Mailing-ListsMailing List;Third Party Advisory
-
https://github.com/vim/vim/commit/b7081e135a16091c93f6f5f7525a5c58fb7ca9f9
patch 8.2.3402: invalid memory access when using :retab with large value · vim/vim@b7081e1 · GitHubPatch;Third Party Advisory
-
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/J2CJLY3CF55I2ULG2X4ENXLSXAXYW5J4/
[SECURITY] Fedora 34 Update: vim-8.2.3404-1.fc34 - package-announce - Fedora Mailing-ListsMailing List;Third Party Advisory
-
http://www.openwall.com/lists/oss-security/2021/10/01/1
oss-security - 3 new CVE's in vimMailing List;Patch;Third Party Advisory
-
https://huntr.dev/bounties/016ad2f2-07c1-4d14-a8ce-6eed10729365
huntr: Heap-based Buffer Overflow Vim script Vulnerability in vimExploit;Issue Tracking;Patch;Third Party Advisory
-
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/X4FFQARG3LGREPDZRI4C7ERQL3RJKEWQ/
[SECURITY] Fedora 33 Update: vim-8.2.3404-1.fc33 - package-announce - Fedora Mailing-ListsMailing List;Third Party Advisory
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