CVE-2021-3927

vim is vulnerable to Heap-based Buffer Overflow

CVSS v3.0 7.8 HIGH
CVSS v2.0 6.8 MEDIUM

7.8^/10

CVSS v3.0 : HIGH

Vector :

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

6.8^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 8.6 / Impact : 6.4

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://huntr.dev/bounties/9c2b2c82-48bb-4be9-ab8f-a48ea252d1b0	Exploit Patch Third Party Advisory
https://github.com/vim/vim/commit/0b5b06cb4777d1401fdf83e7d48d287662236e7e	Patch Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/PGW56Z6IN4UVM3E5RXXF4G7LGGTRBI5C/	Mailing List Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/BCQWPEY2AEYBELCMJYHYWYCD3PZVD2H7/	Mailing List Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/FNXY7T5OORA7UJIMGSJBGHFMU6UZWS6P/	Mailing List Third Party Advisory
http://www.openwall.com/lists/oss-security/2022/01/15/1	Mailing List Third Party Advisory
https://lists.debian.org/debian-lts-announce/2022/03/msg00018.html	Mailing List Third Party Advisory
https://security.gentoo.org/glsa/202208-32	Third Party Advisory
https://lists.debian.org/debian-lts-announce/2022/11/msg00009.html	Mailing List Third Party Advisory

Advertisement

Configurations

Configuration 1 (hide)

cpe:2.3:a:vim:vim:*:*:*:*:*:*:*:*

Configuration 2 (hide)

OR	cpe:2.3:o:fedoraproject:fedora:33:::::::*
	cpe:2.3:o:fedoraproject:fedora:34:::::::*
	cpe:2.3:o:fedoraproject:fedora:35:::::::*

Configuration 3 (hide)

OR	cpe:2.3:o:debian:debian_linux:9.0:::::::*
	cpe:2.3:o:debian:debian_linux:10.0:::::::*

Information

Published : 2021-11-05 08:15

Updated : 2022-12-13 08:37

NVD link : CVE-2021-3927

Mitre link : CVE-2021-3927

JSON object : View

CWE

CWE-122

Heap-based Buffer Overflow

Advertisement

Products Affected

debian

debian_linux

vim

vim

fedoraproject

fedora

{"cve": {"data_type": "CVE", "references": {"reference_data": [{"url": "https://huntr.dev/bounties/9c2b2c82-48bb-4be9-ab8f-a48ea252d1b0", "name": "https://huntr.dev/bounties/9c2b2c82-48bb-4be9-ab8f-a48ea252d1b0", "tags": ["Exploit", "Patch", "Third Party Advisory"], "refsource": "CONFIRM"}, {"url": "https://github.com/vim/vim/commit/0b5b06cb4777d1401fdf83e7d48d287662236e7e", "name": "https://github.com/vim/vim/commit/0b5b06cb4777d1401fdf83e7d48d287662236e7e", "tags": ["Patch", "Third Party Advisory"], "refsource": "MISC"}, {"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/PGW56Z6IN4UVM3E5RXXF4G7LGGTRBI5C/", "name": "FEDORA-2021-58ab85548d", "tags": ["Mailing List", "Third Party Advisory"], "refsource": "FEDORA"}, {"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/BCQWPEY2AEYBELCMJYHYWYCD3PZVD2H7/", "name": "FEDORA-2021-cfadac570a", "tags": ["Mailing List", "Third Party Advisory"], "refsource": "FEDORA"}, {"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/FNXY7T5OORA7UJIMGSJBGHFMU6UZWS6P/", "name": "FEDORA-2021-b0ac29efb1", "tags": ["Mailing List", "Third Party Advisory"], "refsource": "FEDORA"}, {"url": "http://www.openwall.com/lists/oss-security/2022/01/15/1", "name": "[oss-security] 20220114 Re: 3 new CVE's in vim", "tags": ["Mailing List", "Third Party Advisory"], "refsource": "MLIST"}, {"url": "https://lists.debian.org/debian-lts-announce/2022/03/msg00018.html", "name": "[debian-lts-announce] 20220311 [SECURITY] [DLA 2947-1] vim security update", "tags": ["Mailing List", "Third Party Advisory"], "refsource": "MLIST"}, {"url": "https://security.gentoo.org/glsa/202208-32", "name": "GLSA-202208-32", "tags": ["Third Party Advisory"], "refsource": "GENTOO"}, {"url": "https://lists.debian.org/debian-lts-announce/2022/11/msg00009.html", "name": "[debian-lts-announce] 20221108 [SECURITY] [DLA 3182-1] vim security update", "tags": ["Mailing List", "Third Party Advisory"], "refsource": "MLIST"}]}, "data_format": "MITRE", "description": {"description_data": [{"lang": "en", "value": "vim is vulnerable to Heap-based Buffer Overflow"}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "en", "value": "CWE-122"}]}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2021-3927", "ASSIGNER": "security@huntr.dev"}}, "impact": {"baseMetricV2": {"cvssV2": {"version": "2.0", "baseScore": 6.8, "accessVector": "NETWORK", "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P", "authentication": "NONE", "integrityImpact": "PARTIAL", "accessComplexity": "MEDIUM", "availabilityImpact": "PARTIAL", "confidentialityImpact": "PARTIAL"}, "severity": "MEDIUM", "acInsufInfo": false, "impactScore": 6.4, "obtainAllPrivilege": false, "exploitabilityScore": 8.6, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": true}, "baseMetricV3": {"cvssV3": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.8, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 1.8}}, "publishedDate": "2021-11-05T15:15Z", "configurations": {"nodes": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:a:vim:vim:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndExcluding": "8.2.3581"}]}, {"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}]}, {"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}]}], "CVE_data_version": "4.0"}, "lastModifiedDate": "2022-12-13T16:37Z"}