fkie_cve-2022-0934
Vulnerability from fkie_nvd
Published
2022-08-29 15:15
Modified
2024-11-21 06:39
Severity ?
Summary
A single-byte, non-arbitrary write/use-after-free flaw was found in dnsmasq. This flaw allows an attacker who sends a crafted packet processed by dnsmasq, potentially causing a denial of service.
References
Impacted products
Vendor | Product | Version | |
---|---|---|---|
thekelleys | dnsmasq | * | |
redhat | enterprise_linux | 8.0 | |
redhat | enterprise_linux | 9.0 |
{ "configurations": [ { "nodes": [ { "cpeMatch": [ { "criteria": "cpe:2.3:a:thekelleys:dnsmasq:*:*:*:*:*:*:*:*", "matchCriteriaId": "D7313DE5-EF30-46AC-81F4-5F28B7F2F1AA", "versionEndExcluding": "2.87", "vulnerable": true } ], "negate": false, "operator": "OR" } ] }, { "nodes": [ { "cpeMatch": [ { "criteria": "cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*", "matchCriteriaId": "F4CFF558-3C47-480D-A2F0-BABF26042943", "vulnerable": true }, { "criteria": "cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:*", "matchCriteriaId": "7F6FB57C-2BC7-487C-96DD-132683AEB35D", "vulnerable": true } ], "negate": false, "operator": "OR" } ] } ], "cveTags": [], "descriptions": [ { "lang": "en", "value": "A single-byte, non-arbitrary write/use-after-free flaw was found in dnsmasq. This flaw allows an attacker who sends a crafted packet processed by dnsmasq, potentially causing a denial of service." }, { "lang": "es", "value": "En dnsmasq ha sido encontrado un fallo de escritura/uso de memoria previamente liberada de un byte no arbitrario. Este fallo permite a un atacante que env\u00ede un paquete dise\u00f1ado procesado por dnsmasq, causando potencialmente una denegaci\u00f3n de servicio" } ], "id": "CVE-2022-0934", "lastModified": "2024-11-21T06:39:41.650", "metrics": { "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" } ] }, "published": "2022-08-29T15:15:10.087", "references": [ { "source": "secalert@redhat.com", "tags": [ "Third Party Advisory" ], "url": "https://access.redhat.com/security/cve/CVE-2022-0934" }, { "source": "secalert@redhat.com", "tags": [ "Issue Tracking", "Patch", "Third Party Advisory" ], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2057075" }, { "source": "secalert@redhat.com", "tags": [ "Mailing List", "Vendor Advisory" ], "url": "https://lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/2022q1/016272.html" }, { "source": "secalert@redhat.com", "tags": [ "Broken Link" ], "url": "https://thekelleys.org.uk/gitweb/?p=dnsmasq.git%3Ba=commit%3Bh=03345ecefeb0d82e3c3a4c28f27c3554f0611b39" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Third Party Advisory" ], "url": "https://access.redhat.com/security/cve/CVE-2022-0934" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Issue Tracking", "Patch", "Third Party Advisory" ], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2057075" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Mailing List", "Vendor Advisory" ], "url": "https://lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/2022q1/016272.html" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Broken Link" ], "url": "https://thekelleys.org.uk/gitweb/?p=dnsmasq.git%3Ba=commit%3Bh=03345ecefeb0d82e3c3a4c28f27c3554f0611b39" } ], "sourceIdentifier": "secalert@redhat.com", "vulnStatus": "Modified", "weaknesses": [ { "description": [ { "lang": "en", "value": "CWE-416" } ], "source": "secalert@redhat.com", "type": "Primary" }, { "description": [ { "lang": "en", "value": "CWE-416" } ], "source": "nvd@nist.gov", "type": "Secondary" } ] }
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Sightings
Author | Source | Type | Date |
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Nomenclature
- 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.