Vulnerability Monitor

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CVE-2022-1621

Heap buffer overflow in vim_strncpy find_word in GitHub repository vim/vim prior to 8.2.4919. This vulnerability is capable of crashing software, Bypass Protection Mechanism, Modify Memory, and possible remote execution

Security Impact Summary

This vulnerability carries a HIGH severity rating with a CVSS v3.1 score of 7.8, requiring local system access to exploit with relatively low complexity though user interaction is required and does not require pre-existing privileges . The vulnerability impacts confidentiality (data exposure), integrity (unauthorized modifications), and availability (service disruption) for affected systems. Impacting 4 products from vim, from debian, from fedoraproject and 1 other, organizations running these solutions should prioritize assessment and patching.

Historical Context

Reported in 2022, this vulnerability emerged during an era marked by increased sophistication in supply chain attacks, cloud infrastructure vulnerabilities, and software-as-a-service (SaaS) security challenges. Security practices during this period emphasized zero-trust architectures, container security, and API protection.

Published

2022-05-10T14:15:08.460

Last Modified

2024-11-21T06:41:06.763

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 7.8 (HIGH)

CVSSv2 Vector

AV:N/AC:M/Au:N/C:P/I:P/A:P

Access Vector: NETWORK
Access Complexity: MEDIUM
Authentication: NONE
Confidentiality Impact: PARTIAL
Integrity Impact: PARTIAL
Availability Impact: PARTIAL

Exploitability Score

8.6

Impact Score

6.4

Weaknesses

Type: Secondary
CWE-122
Type: Secondary
CWE-787

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	vim	vim	< 8.2.4919	Yes
Operating System	debian	debian_linux	9.0	Yes
Operating System	debian	debian_linux	10.0	Yes
Operating System	fedoraproject	fedora	34	Yes
Operating System	fedoraproject	fedora	35	Yes
Operating System	apple	macos	< 13.0	Yes

References

http://seclists.org/fulldisclosure/2022/Oct/28 Mailing List, Third Party Advisory ([email protected])
http://seclists.org/fulldisclosure/2022/Oct/41 Mailing List, Third Party Advisory ([email protected])
https://github.com/vim/vim/commit/7c824682d2028432ee082703ef0ab399867a089b Patch, Third Party Advisory ([email protected])
https://huntr.dev/bounties/520ce714-bfd2-4646-9458-f52cd22bb2fb Exploit, Third Party Advisory ([email protected])
https://lists.debian.org/debian-lts-announce/2022/05/msg00022.html Mailing List, Third Party Advisory ([email protected])
https://lists.debian.org/debian-lts-announce/2022/11/msg00032.html Mailing List, Third Party Advisory ([email protected])
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HIP7KG7TVS5YF3QREAY2GOGUT3YUBZAI/ ([email protected])
https://security.gentoo.org/glsa/202208-32 Third Party Advisory ([email protected])
https://security.gentoo.org/glsa/202305-16 ([email protected])
https://support.apple.com/kb/HT213488 Third Party Advisory ([email protected])
http://seclists.org/fulldisclosure/2022/Oct/28 Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://seclists.org/fulldisclosure/2022/Oct/41 Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/vim/vim/commit/7c824682d2028432ee082703ef0ab399867a089b Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://huntr.dev/bounties/520ce714-bfd2-4646-9458-f52cd22bb2fb Exploit, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://lists.debian.org/debian-lts-announce/2022/05/msg00022.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://lists.debian.org/debian-lts-announce/2022/11/msg00032.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HIP7KG7TVS5YF3QREAY2GOGUT3YUBZAI/ (af854a3a-2127-422b-91ae-364da2661108)
https://security.gentoo.org/glsa/202208-32 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://security.gentoo.org/glsa/202305-16 (af854a3a-2127-422b-91ae-364da2661108)
https://support.apple.com/kb/HT213488 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For vim's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.