CVE-2021-39920 - OpenCVE

NULL pointer exception in the IPPUSB dissector in Wireshark 3.4.0 to 3.4.9 allows denial of service via packet injection or crafted capture file

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

No CVSS v3.0

Access Vector Network

Access Complexity Low

Authentication None

Confidentiality Impact None

Integrity Impact None

Availability Impact Partial

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

Vendors & Products
CPE Configurations

Vendors	Products
Wireshark	Wireshark
Fedoraproject	Fedora

Configuration 1 [-]

cpe:2.3:a:wireshark:wireshark:*:*:*:*:*:*:*:*

Configuration 2 [-]

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

References

Link	Resource
https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39920.json	Third Party Advisory
https://gitlab.com/wireshark/wireshark/-/issues/17705	Exploit Issue Tracking Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/A6AJFIYIHS3TYDD2EBYBJ5KKE52X34BJ/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YEWTIRMC2MFQBZ2O5M4CJHJM4JPBHLXH/
https://security.gentoo.org/glsa/202210-04	Third Party Advisory
https://www.debian.org/security/2021/dsa-5019	Third Party Advisory
https://www.wireshark.org/security/wnpa-sec-2021-15.html	Vendor Advisory

History

No history.

MITRE Information

Status: PUBLISHED

Assigner: GitLab

Published: 2021-11-18T00:00:00

Updated: 2022-10-16T00:00:00

Reserved: 2021-08-23T00:00:00

Link: CVE-2021-39920

JSON object: View

NVD Information

Status : Modified

Published: 2021-11-18T19:15:08.333

Modified: 2023-11-07T03:37:50.307

Link: CVE-2021-39920

JSON object: View

Redhat Information

No data.

CWE

CWE-476

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:wireshark:wireshark:*:*:*:*:*:*:*:*", "matchCriteriaId": "6A0E4800-883E-40CE-935B-9A7DD0B5232D", "versionEndExcluding": "3.4.10", "versionStartIncluding": "3.4.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*", "matchCriteriaId": "A930E247-0B43-43CB-98FF-6CE7B8189835", "vulnerable": true}, {"criteria": "cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*", "matchCriteriaId": "80E516C0-98A4-4ADE-B69F-66A772E2BAAA", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "descriptions": [{"lang": "en", "value": "NULL pointer exception in the IPPUSB dissector in Wireshark 3.4.0 to 3.4.9 allows denial of service via packet injection or crafted capture file"}, {"lang": "es", "value": "Una excepci\u00f3n de puntero NULL en el disector IPPUSB en Wireshark versiones 3.4.0 a 3.4.9 permite la denegaci\u00f3n de servicio por medio de la inyecci\u00f3n de paquetes o archivo de captura dise\u00f1ado."}], "id": "CVE-2021-39920", "lastModified": "2023-11-07T03:37:50.307", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 5.0, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "cve@gitlab.com", "type": "Secondary"}]}, "published": "2021-11-18T19:15:08.333", "references": [{"source": "cve@gitlab.com", "tags": ["Third Party Advisory"], "url": "https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39920.json"}, {"source": "cve@gitlab.com", "tags": ["Exploit", "Issue Tracking", "Third Party Advisory"], "url": "https://gitlab.com/wireshark/wireshark/-/issues/17705"}, {"source": "cve@gitlab.com", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/A6AJFIYIHS3TYDD2EBYBJ5KKE52X34BJ/"}, {"source": "cve@gitlab.com", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YEWTIRMC2MFQBZ2O5M4CJHJM4JPBHLXH/"}, {"source": "cve@gitlab.com", "tags": ["Third Party Advisory"], "url": "https://security.gentoo.org/glsa/202210-04"}, {"source": "cve@gitlab.com", "tags": ["Third Party Advisory"], "url": "https://www.debian.org/security/2021/dsa-5019"}, {"source": "cve@gitlab.com", "tags": ["Vendor Advisory"], "url": "https://www.wireshark.org/security/wnpa-sec-2021-15.html"}], "sourceIdentifier": "cve@gitlab.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-476"}], "source": "nvd@nist.gov", "type": "Primary"}]}