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CVE

CVE-2021-4136

vim is vulnerable to Heap-based Buffer Overflow

vim is vulnerable to Heap-based Buffer Overflow.

HIGH · CVSS 7.8 EPSS 0.00301
Act now
  • Public exploit or PoC is available
  • CVSS base score ≥ 7.0
Sigma rules8 YARA rules0
⬡

Weakness Classification

CWE-122Heap-based Buffer Overflow
CWE-787Out-of-bounds Write
▤

Affected Products & Versions

6
vim< 8.2.3847
fedoraproject fedoraall versions
apple mac os x>= 10.15 and < 10.15.7
apple mac os xall versions
apple macos>= 11.0 and < 11.6.6
apple macos>= 12.0 and < 12.3
⚠

Public Exploits & PoCs

1
pochuntr.dev · 5c6b93c1-2d27-4e98-a931-147877b8c938huntr.dev
◈

Sigma Hunt Rules

8
Exact rules name this CVE ID. Product rules name an affected product in their title. Related rules cover techniques used by actors who exploited this CVE. Showing the most relevant matches; the complete related set is on the full drill-down.
producthighSuspicious Microsoft Office Child Process - MacOS
producthighRemote Access Tool - Renamed MeshAgent Execution - MacOS
producthighBinary Padding - MacOS
productmediumSuspicious Execution via macOS Script Editor
productmediumSystem Information Discovery Via Sysctl - MacOS
productmediumNew File Exclusion Added To Time Machine Via Tmutil - MacOS
▣

Scoring & Timeline

7.8
HIGH · CVSS v3.1 · security@huntr.dev
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD19 Dec 2021 · 05:15 PM
CVSS VectorCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
⚑

Vendor Advisories

3
suse-csafSUSE-SU-2022:4619-1
suse-csafSUSE-SU-2022:2102-1
msrcCVE-2021-4136
🔗

References & Sources

11
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://seclists.org/fulldisclosure/2022/Jul/14Mailing ListThird Party Advisory
http://seclists.org/fulldisclosure/2022/Mar/29Mailing ListThird Party Advisory
http://seclists.org/fulldisclosure/2022/May/35Mailing ListThird Party Advisory
http://www.openwall.com/lists/oss-security/2022/01/15/1Mailing ListThird Party Advisory
https://github.com/vim/vim/commit/605ec91e5a7330d61be313637e495fa02a6dc264PatchThird Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2EY2VFBU3YGGWI5BW4XKT3F37MYGEQUD/
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