gsd-2021-39921
Vulnerability from gsd
Modified
2023-12-13 01:23
Details
NULL pointer exception in the Modbus dissector in Wireshark 3.4.0 to 3.4.9 and 3.2.0 to 3.2.17 allows denial of service via packet injection or crafted capture file
Aliases
Aliases
{ "GSD": { "alias": "CVE-2021-39921", "description": "NULL pointer exception in the Modbus dissector in Wireshark 3.4.0 to 3.4.9 and 3.2.0 to 3.2.17 allows denial of service via packet injection or crafted capture file", "id": "GSD-2021-39921", "references": [ "https://www.suse.com/security/cve/CVE-2021-39921.html", "https://www.debian.org/security/2021/dsa-5019", "https://advisories.mageia.org/CVE-2021-39921.html", "https://security.archlinux.org/CVE-2021-39921" ] }, "gsd": { "metadata": { "exploitCode": "unknown", "remediation": "unknown", "reportConfidence": "confirmed", "type": "vulnerability" }, "osvSchema": { "aliases": [ "CVE-2021-39921" ], "details": "NULL pointer exception in the Modbus dissector in Wireshark 3.4.0 to 3.4.9 and 3.2.0 to 3.2.17 allows denial of service via packet injection or crafted capture file", "id": "GSD-2021-39921", "modified": "2023-12-13T01:23:15.540742Z", "schema_version": "1.4.0" } }, "namespaces": { "cve.org": { "CVE_data_meta": { "ASSIGNER": "cve@gitlab.com", "ID": "CVE-2021-39921", "STATE": "PUBLIC" }, "affects": { "vendor": { "vendor_data": [ { "product": { "product_data": [ { "product_name": "Wireshark", "version": { "version_data": [ { "version_value": "\u003e=3.4.0, \u003c3.4.10" }, { "version_value": "\u003e=3.2.0, \u003c3.2.18" } ] } } ] }, "vendor_name": "Wireshark Foundation" } ] } }, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": { "description_data": [ { "lang": "eng", "value": "NULL pointer exception in the Modbus dissector in Wireshark 3.4.0 to 3.4.9 and 3.2.0 to 3.2.17 allows denial of service via packet injection or crafted capture file" } ] }, "impact": { "cvss": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1" } }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "eng", "value": "Null pointer dereference in Wireshark" } ] } ] }, "references": { "reference_data": [ { "name": "https://www.wireshark.org/security/wnpa-sec-2021-14.html", "refsource": "MISC", "url": "https://www.wireshark.org/security/wnpa-sec-2021-14.html" }, { "name": "https://gitlab.com/wireshark/wireshark/-/issues/17703", "refsource": "MISC", "url": "https://gitlab.com/wireshark/wireshark/-/issues/17703" }, { "name": "https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39921.json", "refsource": "CONFIRM", "url": "https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39921.json" }, { "name": "FEDORA-2021-97bd631e0a", "refsource": "FEDORA", "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/YEWTIRMC2MFQBZ2O5M4CJHJM4JPBHLXH/" }, { "name": "FEDORA-2021-3747cf6107", "refsource": "FEDORA", "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/A6AJFIYIHS3TYDD2EBYBJ5KKE52X34BJ/" }, { "name": "DSA-5019", "refsource": "DEBIAN", "url": "https://www.debian.org/security/2021/dsa-5019" }, { "name": "[debian-lts-announce] 20211226 [SECURITY] [DLA 2849-1] wireshark security update", "refsource": "MLIST", "url": "https://lists.debian.org/debian-lts-announce/2021/12/msg00015.html" }, { "name": "GLSA-202210-04", "refsource": "GENTOO", "url": "https://security.gentoo.org/glsa/202210-04" } ] } }, "nvd.nist.gov": { "configurations": { "CVE_data_version": "4.0", "nodes": [ { "children": [], "cpe_match": [ { "cpe23Uri": "cpe:2.3:a:wireshark:wireshark:*:*:*:*:*:*:*:*", "cpe_name": [], "versionEndIncluding": "3.2.17", "versionStartIncluding": "3.2.0", "vulnerable": true }, { "cpe23Uri": "cpe:2.3:a:wireshark:wireshark:*:*:*:*:*:*:*:*", "cpe_name": [], "versionEndIncluding": "3.4.9", "versionStartIncluding": "3.4.0", "vulnerable": true } ], "operator": "OR" }, { "children": [], "cpe_match": [ { "cpe23Uri": "cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true }, { "cpe23Uri": "cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true } ], "operator": "OR" }, { "children": [], "cpe_match": [ { "cpe23Uri": "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true } ], "operator": "OR" } ] }, "cve": { "CVE_data_meta": { "ASSIGNER": "cve@gitlab.com", "ID": "CVE-2021-39921" }, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": { "description_data": [ { "lang": "en", "value": "NULL pointer exception in the Modbus dissector in Wireshark 3.4.0 to 3.4.9 and 3.2.0 to 3.2.17 allows denial of service via packet injection or crafted capture file" } ] }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "en", "value": "CWE-476" } ] } ] }, "references": { "reference_data": [ { "name": "https://www.wireshark.org/security/wnpa-sec-2021-14.html", "refsource": "MISC", "tags": [ "Vendor Advisory" ], "url": "https://www.wireshark.org/security/wnpa-sec-2021-14.html" }, { "name": "https://gitlab.com/wireshark/wireshark/-/issues/17703", "refsource": "MISC", "tags": [ "Exploit", "Issue Tracking", "Patch", "Third Party Advisory" ], "url": "https://gitlab.com/wireshark/wireshark/-/issues/17703" }, { "name": "https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39921.json", "refsource": "CONFIRM", "tags": [ "Third Party Advisory" ], "url": "https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39921.json" }, { "name": "FEDORA-2021-3747cf6107", "refsource": "FEDORA", "tags": [ "Mailing List", "Third Party Advisory" ], "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/A6AJFIYIHS3TYDD2EBYBJ5KKE52X34BJ/" }, { "name": "FEDORA-2021-97bd631e0a", "refsource": "FEDORA", "tags": [ "Mailing List", "Third Party Advisory" ], "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/YEWTIRMC2MFQBZ2O5M4CJHJM4JPBHLXH/" }, { "name": "DSA-5019", "refsource": "DEBIAN", "tags": [ "Third Party Advisory" ], "url": "https://www.debian.org/security/2021/dsa-5019" }, { "name": "[debian-lts-announce] 20211226 [SECURITY] [DLA 2849-1] wireshark security update", "refsource": "MLIST", "tags": [ "Mailing List", "Third Party Advisory" ], "url": "https://lists.debian.org/debian-lts-announce/2021/12/msg00015.html" }, { "name": "GLSA-202210-04", "refsource": "GENTOO", "tags": [ "Third Party Advisory" ], "url": "https://security.gentoo.org/glsa/202210-04" } ] } }, "impact": { "baseMetricV2": { "acInsufInfo": false, "cvssV2": { "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, "severity": "MEDIUM", "userInteractionRequired": false }, "baseMetricV3": { "cvssV3": { "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 } }, "lastModifiedDate": "2022-10-28T20:09Z", "publishedDate": "2021-11-19T17:15Z" } } }
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- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.