CVE-2021-4173

CVSS V2 Medium 6.8 CVSS V3 High 7.8

Description

vim is vulnerable to Use After Free

Overview

CVE ID
CVE-2021-4173

Assigner
security@huntr.dev

Vulnerability Status
Analyzed

Published Version
2021-12-27T13:15:07

Last Modified Date
2022-11-02T13:18:35

Weakness Enumerations

CWE	URL
CWE-416	http://cwe.mitre.org/data/definitions/416.html

CPE Configuration (Product)

CPE	Vulnerable	Operator	Version Start	Version End
cpe:2.3:a:vim:vim::::::::	1	OR		8.2.3902
cpe:2.3:o:fedoraproject:fedora:34:::::::*	1	OR
cpe:2.3:o:fedoraproject:fedora:35:::::::*	1	OR
cpe:2.3:o:apple:mac_os_x:10.15.7:::::::*	1	OR
cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2020-001::::::	1	OR
cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-001::::::	1	OR
cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-002::::::	1	OR
cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-003::::::	1	OR
cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-004::::::	1	OR
cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-005::::::	1	OR
cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-006::::::	1	OR
cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-007::::::	1	OR
cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-008::::::	1	OR
cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2022-001::::::	1	OR
cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2022-002::::::	1	OR
cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2022-003::::::	1	OR
cpe:2.3:o:apple:macos::::::::	1	OR		12.3
cpe:2.3:o:apple:macos::::::::	1	OR	11.0	11.6.6
cpe:2.3:o:apple:macos:10.15.7:security_update_2022-004::::::	1	OR

CVSS Version 2

Version
2.0

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

Access Vector
NETWORK

Access Compatibility
MEDIUM

Authentication
NONE

Confidentiality Impact
PARTIAL

Integrity Impact
PARTIAL

Availability Impact
PARTIAL

Base Score
6.8

Severity
MEDIUM

Exploitability Score
8.6

Impact Score
6.4

CVSS Version 3

Version
3.1

Vector String
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Attack Vector
LOCAL

Attack Compatibility
LOW

Privileges Required
NONE

User Interaction
REQUIRED

Scope
UNCHANGED

Confidentiality Impact
HIGH

Availability Impact
HIGH

Base Score
7.8

Base Severity
HIGH

Exploitability Score
1.8

Impact Score
5.9

References

Reference URL	Reference Tags
http://seclists.org/fulldisclosure/2022/Jul/14	Mailing List Third Party Advisory
http://seclists.org/fulldisclosure/2022/Mar/29	Mailing List Third Party Advisory
http://seclists.org/fulldisclosure/2022/May/35	Mailing List Third Party Advisory
http://www.openwall.com/lists/oss-security/2022/01/15/1	Mailing List Third Party Advisory
https://github.com/vim/vim/commit/9c23f9bb5fe435b28245ba8ac65aa0ca6b902c04	Patch Third Party Advisory
https://huntr.dev/bounties/a1b236b9-89fb-4ccf-9689-ba11b471e766	Exploit Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/2EY2VFBU3YGGWI5BW4XKT3F37MYGEQUD/	Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/3FH2J57GDA2WMBS6J56F6QQRA6BXQQFZ/	Mailing List Third Party Advisory
https://security.gentoo.org/glsa/202208-32	Third Party Advisory
https://support.apple.com/kb/HT213183	Release Notes Third Party Advisory
https://support.apple.com/kb/HT213256	Third Party Advisory
https://support.apple.com/kb/HT213343	Third Party Advisory

Sources

Source Name	Source URL
NIST	https://nvd.nist.gov/vuln/detail/CVE-2021-4173
MITRE	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-4173

History

Created	Old Value	New Value	Data Type	Notes
2022-04-04 00:40:39				Added to TrackCVE
2022-12-06 05:13:09	2021-12-27T13:15Z	2021-12-27T13:15:07	CVE Published Date	updated
2022-12-06 05:13:09		2022-11-02T13:18:35	CVE Modified Date	updated
2022-12-06 05:13:09		Analyzed	Vulnerability Status	updated
2022-12-06 05:13:14			References	updated