CVE-2020-26418

Memory leak in Kafka protocol dissector in Wireshark 3.4.0 and 3.2.0 to 3.2.8 allows denial of service via packet injection or crafted capture file.

CVSS v3.0 5.3 MEDIUM
CVSS v2.0 5.0 MEDIUM

5.3^/10

CVSS v3.0 : MEDIUM

Vector :

Exploitability : 3.9 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact LOW

Scope UNCHANGED

5.0^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References

Link	Resource
https://gitlab.com/wireshark/wireshark/-/issues/16739	Exploit Issue Tracking Third Party Advisory
https://www.wireshark.org/security/wnpa-sec-2020-16.html	Vendor Advisory
https://gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-26418.json	Third Party Advisory
https://security.gentoo.org/glsa/202101-12	Third Party Advisory
https://lists.debian.org/debian-lts-announce/2021/02/msg00008.html	Mailing List Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/YHWDZPWQJMLK64VFDWJC5SEGPNH6Y72Z/	Mailing List Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/M75HYXU36SP6GHIDPHNZGJKEO6TX4C4Y/	Mailing List Third Party Advisory
https://www.oracle.com/security-alerts/cpuApr2021.html

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:wireshark:wireshark::::::::
	cpe:2.3:a:wireshark:wireshark:3.4.0:::::::*

Configuration 2 (hide)

OR	cpe:2.3:o:fedoraproject:fedora:32:::::::*
	cpe:2.3:o:fedoraproject:fedora:33:::::::*

Configuration 3 (hide)

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

Information

Published : 2020-12-11 19:15

Updated : 2021-06-14 18:15

NVD link : CVE-2020-26418

Mitre link : CVE-2020-26418

JSON object : View

Products Affected

fedoraproject

fedora

debian

debian_linux

wireshark

wireshark

CWE

CWE-401

Missing Release of Memory after Effective Lifetime

{"cve": {"data_type": "CVE", "references": {"reference_data": [{"url": "https://gitlab.com/wireshark/wireshark/-/issues/16739", "name": "https://gitlab.com/wireshark/wireshark/-/issues/16739", "tags": ["Exploit", "Issue Tracking", "Third Party Advisory"], "refsource": "MISC"}, {"url": "https://www.wireshark.org/security/wnpa-sec-2020-16.html", "name": "https://www.wireshark.org/security/wnpa-sec-2020-16.html", "tags": ["Vendor Advisory"], "refsource": "MISC"}, {"url": "https://gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-26418.json", "name": "https://gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-26418.json", "tags": ["Third Party Advisory"], "refsource": "CONFIRM"}, {"url": "https://security.gentoo.org/glsa/202101-12", "name": "GLSA-202101-12", "tags": ["Third Party Advisory"], "refsource": "GENTOO"}, {"url": "https://lists.debian.org/debian-lts-announce/2021/02/msg00008.html", "name": "[debian-lts-announce] 20210206 [SECURITY] [DLA 2547-1] wireshark security update", "tags": ["Mailing List", "Third Party Advisory"], "refsource": "MLIST"}, {"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/YHWDZPWQJMLK64VFDWJC5SEGPNH6Y72Z/", "name": "FEDORA-2021-f3011da665", "tags": ["Mailing List", "Third Party Advisory"], "refsource": "FEDORA"}, {"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/M75HYXU36SP6GHIDPHNZGJKEO6TX4C4Y/", "name": "FEDORA-2021-138674557c", "tags": ["Mailing List", "Third Party Advisory"], "refsource": "FEDORA"}, {"url": "https://www.oracle.com/security-alerts/cpuApr2021.html", "name": "https://www.oracle.com/security-alerts/cpuApr2021.html", "tags": [], "refsource": "MISC"}]}, "data_format": "MITRE", "description": {"description_data": [{"lang": "en", "value": "Memory leak in Kafka protocol dissector in Wireshark 3.4.0 and 3.2.0 to 3.2.8 allows denial of service via packet injection or crafted capture file."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "en", "value": "CWE-401"}]}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2020-26418", "ASSIGNER": "cve@gitlab.com"}}, "impact": {"baseMetricV2": {"cvssV2": {"version": "2.0", "baseScore": 5.0, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "LOW", "availabilityImpact": "PARTIAL", "confidentialityImpact": "NONE"}, "severity": "MEDIUM", "acInsufInfo": false, "impactScore": 2.9, "obtainAllPrivilege": false, "exploitabilityScore": 10.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}, "baseMetricV3": {"cvssV3": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.3, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "LOW", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 1.4, "exploitabilityScore": 3.9}}, "publishedDate": "2020-12-11T19:15Z", "configurations": {"nodes": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:a:wireshark:wireshark:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndIncluding": "3.2.8", "versionStartIncluding": "3.2.0"}, {"cpe23Uri": "cpe:2.3:a:wireshark:wireshark:3.4.0:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}]}, {"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}]}, {"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}]}], "CVE_data_version": "4.0"}, "lastModifiedDate": "2021-06-14T18:15Z"}