{ "data_type": "CVE", "data_format": "MITRE", "data_version": "4.0", "CVE_data_meta": { "ID": "CVE-2020-26421", "ASSIGNER": "cve@gitlab.com", "STATE": "PUBLIC" }, "affects": { "vendor": { "vendor_data": [ { "vendor_name": "The Wireshark Foundation", "product": { "product_data": [ { "product_name": "Wireshark", "version": { "version_data": [ { "version_value": "3.4.0" }, { "version_value": ">= 3.2.0 to < 3.2.9" } ] } } ] } } ] } }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "eng", "value": "Buffer over-read in Wireshark" } ] } ] }, "references": { "reference_data": [ { "name": "https://www.wireshark.org/security/wnpa-sec-2020-17.html", "url": "https://www.wireshark.org/security/wnpa-sec-2020-17.html", "refsource": "MISC" }, { "name": "https://gitlab.com/wireshark/wireshark/-/issues/16958", "url": "https://gitlab.com/wireshark/wireshark/-/issues/16958", "refsource": "MISC" }, { "name": "https://gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-26421.json", "url": "https://gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-26421.json", "refsource": "CONFIRM" }, { "refsource": "GENTOO", "name": "GLSA-202101-12", "url": "https://security.gentoo.org/glsa/202101-12" }, { "refsource": "MLIST", "name": "[debian-lts-announce] 20210206 [SECURITY] [DLA 2547-1] wireshark security update", "url": "https://lists.debian.org/debian-lts-announce/2021/02/msg00008.html" }, { "refsource": "FEDORA", "name": "FEDORA-2021-f3011da665", "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/YHWDZPWQJMLK64VFDWJC5SEGPNH6Y72Z/" }, { "refsource": "FEDORA", "name": "FEDORA-2021-138674557c", "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/M75HYXU36SP6GHIDPHNZGJKEO6TX4C4Y/" }, { "url": "https://www.oracle.com/security-alerts/cpuApr2021.html", "refsource": "MISC", "name": "https://www.oracle.com/security-alerts/cpuApr2021.html" } ] }, "description": { "description_data": [ { "lang": "eng", "value": "Crash in USB HID protocol dissector and possibly other dissectors in Wireshark 3.4.0 and 3.2.0 to 3.2.8 allows denial of service via packet injection or crafted capture file." } ] }, "impact": { "cvss": { "vectorString": "AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:L", "attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "LOW", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "version": "3.1", "baseScore": 4.1, "baseSeverity": "MEDIUM" } } }