fkie_cve-2022-0934
Vulnerability from fkie_nvd
Published
2022-08-29 15:15
Modified
2024-11-21 06:39
Severity ?
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
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
secalert@redhat.comhttps://access.redhat.com/security/cve/CVE-2022-0934Third Party Advisory
secalert@redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=2057075Issue Tracking, Patch, Third Party Advisory
secalert@redhat.comhttps://lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/2022q1/016272.htmlMailing List, Vendor Advisory
secalert@redhat.comhttps://thekelleys.org.uk/gitweb/?p=dnsmasq.git%3Ba=commit%3Bh=03345ecefeb0d82e3c3a4c28f27c3554f0611b39Broken Link
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/security/cve/CVE-2022-0934Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://bugzilla.redhat.com/show_bug.cgi?id=2057075Issue Tracking, Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/2022q1/016272.htmlMailing List, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://thekelleys.org.uk/gitweb/?p=dnsmasq.git%3Ba=commit%3Bh=03345ecefeb0d82e3c3a4c28f27c3554f0611b39Broken Link
Impacted products
Vendor Product Version
thekelleys dnsmasq *
redhat enterprise_linux 8.0
redhat enterprise_linux 9.0


To clipboard 

{
   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 envíe un paquete diseñado procesado por dnsmasq, causando potencialmente una denegación 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: [
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            "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: [
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         url: "https://bugzilla.redhat.com/show_bug.cgi?id=2057075",
      },
      {
         source: "af854a3a-2127-422b-91ae-364da2661108",
         tags: [
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         url: "https://lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/2022q1/016272.html",
      },
      {
         source: "af854a3a-2127-422b-91ae-364da2661108",
         tags: [
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      },
   ],
   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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