CVE-2024-43688 (GCVE-0-2024-43688)
Vulnerability from cvelistv5
Published
2024-08-20 00:00
Modified
2024-08-26 13:23
Severity ?
7.3 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
EPSS score ?
0.06% (0.17235)
Summary
cron/entry.c in vixie cron before 9cc8ab1, as used in OpenBSD 7.4 and 7.5, allows a heap-based buffer underflow and memory corruption. NOTE: this issue was introduced during a May 2023 refactoring.
References
cve@mitre.orghttps://github.com/vixie/cron/commit/9cc8ab1087bb9ab861dd5595c41200683c9f6712
cve@mitre.orghttps://www.supernetworks.org/CVE-2024-43688/openbsd-cron-heap-underflow.txt
cve@mitre.orghttps://www.supernetworks.org/advisories/CVE-2024-43688-openbsd-cron-heap-underflow.txt
Impacted products
Vendor Product Version
n/a n/a Version: n/a
Show details on NVD website

To clipboard 

{
   containers: {
      adp: [
         {
            affected: [
               {
                  cpes: [
                     "cpe:2.3:a:vixie:cron:*:*:*:*:*:*:*:*",
                  ],
                  defaultStatus: "unknown",
                  product: "cron",
                  vendor: "vixie",
                  versions: [
                     {
                        lessThan: "9cc8ab1",
                        status: "affected",
                        version: "0",
                        versionType: "custom",
                     },
                  ],
               },
               {
                  cpes: [
                     "cpe:2.3:o:openbsd:openbsd:7.4:*:*:*:*:*:*:*",
                  ],
                  defaultStatus: "unknown",
                  product: "openbsd",
                  vendor: "openbsd",
                  versions: [
                     {
                        status: "affected",
                        version: "7.4",
                     },
                  ],
               },
               {
                  cpes: [
                     "cpe:2.3:o:openbsd:openbsd:7.5:*:*:*:*:*:*:*",
                  ],
                  defaultStatus: "unknown",
                  product: "openbsd",
                  vendor: "openbsd",
                  versions: [
                     {
                        status: "affected",
                        version: "7.5",
                     },
                  ],
               },
            ],
            metrics: [
               {
                  cvssV3_1: {
                     attackComplexity: "LOW",
                     attackVector: "NETWORK",
                     availabilityImpact: "LOW",
                     baseScore: 7.3,
                     baseSeverity: "HIGH",
                     confidentialityImpact: "LOW",
                     integrityImpact: "LOW",
                     privilegesRequired: "NONE",
                     scope: "UNCHANGED",
                     userInteraction: "NONE",
                     vectorString: "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L",
                     version: "3.1",
                  },
               },
               {
                  other: {
                     content: {
                        id: "CVE-2024-43688",
                        options: [
                           {
                              Exploitation: "poc",
                           },
                           {
                              Automatable: "yes",
                           },
                           {
                              "Technical Impact": "partial",
                           },
                        ],
                        role: "CISA Coordinator",
                        timestamp: "2024-08-26T13:17:12.595187Z",
                        version: "2.0.3",
                     },
                     type: "ssvc",
                  },
               },
            ],
            problemTypes: [
               {
                  descriptions: [
                     {
                        cweId: "CWE-787",
                        description: "CWE-787 Out-of-bounds Write",
                        lang: "en",
                        type: "CWE",
                     },
                  ],
               },
            ],
            providerMetadata: {
               dateUpdated: "2024-08-26T13:23:36.277Z",
               orgId: "134c704f-9b21-4f2e-91b3-4a467353bcc0",
               shortName: "CISA-ADP",
            },
            title: "CISA ADP Vulnrichment",
         },
      ],
      cna: {
         affected: [
            {
               product: "n/a",
               vendor: "n/a",
               versions: [
                  {
                     status: "affected",
                     version: "n/a",
                  },
               ],
            },
         ],
         descriptions: [
            {
               lang: "en",
               value: "cron/entry.c in vixie cron before 9cc8ab1, as used in OpenBSD 7.4 and 7.5, allows a heap-based buffer underflow and memory corruption. NOTE: this issue was introduced during a May 2023 refactoring.",
            },
         ],
         problemTypes: [
            {
               descriptions: [
                  {
                     description: "n/a",
                     lang: "en",
                     type: "text",
                  },
               ],
            },
         ],
         providerMetadata: {
            dateUpdated: "2024-08-26T06:03:33.171555",
            orgId: "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
            shortName: "mitre",
         },
         references: [
            {
               url: "https://www.supernetworks.org/advisories/CVE-2024-43688-openbsd-cron-heap-underflow.txt",
            },
            {
               url: "https://github.com/vixie/cron/commit/9cc8ab1087bb9ab861dd5595c41200683c9f6712",
            },
            {
               url: "https://www.supernetworks.org/CVE-2024-43688/openbsd-cron-heap-underflow.txt",
            },
         ],
      },
   },
   cveMetadata: {
      assignerOrgId: "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
      assignerShortName: "mitre",
      cveId: "CVE-2024-43688",
      datePublished: "2024-08-20T00:00:00",
      dateReserved: "2024-08-14T00:00:00",
      dateUpdated: "2024-08-26T13:23:36.277Z",
      state: "PUBLISHED",
   },
   dataType: "CVE_RECORD",
   dataVersion: "5.1",
   "vulnerability-lookup:meta": {
      fkie_nvd: {
         descriptions: "[{\"lang\": \"en\", \"value\": \"cron/entry.c in vixie cron before 9cc8ab1, as used in OpenBSD 7.4 and 7.5, allows a heap-based buffer underflow and memory corruption. NOTE: this issue was introduced during a May 2023 refactoring.\"}, {\"lang\": \"es\", \"value\": \"cron/entry.c en vixie cron anterior a 9cc8ab1, como se usa en OpenBSD 7.4 y 7.5, permite un desbordamiento del b\\u00fafer basado en mont\\u00f3n y corrupci\\u00f3n de memoria. NOTA: este problema se introdujo durante una refactorizaci\\u00f3n de mayo de 2023.\"}]",
         id: "CVE-2024-43688",
         lastModified: "2024-08-26T14:35:06.680",
         metrics: "{\"cvssMetricV31\": [{\"source\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"type\": \"Secondary\", \"cvssData\": {\"version\": \"3.1\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L\", \"baseScore\": 7.3, \"baseSeverity\": \"HIGH\", \"attackVector\": \"NETWORK\", \"attackComplexity\": \"LOW\", \"privilegesRequired\": \"NONE\", \"userInteraction\": \"NONE\", \"scope\": \"UNCHANGED\", \"confidentialityImpact\": \"LOW\", \"integrityImpact\": \"LOW\", \"availabilityImpact\": \"LOW\"}, \"exploitabilityScore\": 3.9, \"impactScore\": 3.4}]}",
         published: "2024-08-20T06:15:04.983",
         references: "[{\"url\": \"https://github.com/vixie/cron/commit/9cc8ab1087bb9ab861dd5595c41200683c9f6712\", \"source\": \"cve@mitre.org\"}, {\"url\": \"https://www.supernetworks.org/CVE-2024-43688/openbsd-cron-heap-underflow.txt\", \"source\": \"cve@mitre.org\"}, {\"url\": \"https://www.supernetworks.org/advisories/CVE-2024-43688-openbsd-cron-heap-underflow.txt\", \"source\": \"cve@mitre.org\"}]",
         sourceIdentifier: "cve@mitre.org",
         vulnStatus: "Awaiting Analysis",
         weaknesses: "[{\"source\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"type\": \"Secondary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-787\"}]}]",
      },
      nvd: "{\"cve\":{\"id\":\"CVE-2024-43688\",\"sourceIdentifier\":\"cve@mitre.org\",\"published\":\"2024-08-20T06:15:04.983\",\"lastModified\":\"2024-08-26T14:35:06.680\",\"vulnStatus\":\"Awaiting Analysis\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"cron/entry.c in vixie cron before 9cc8ab1, as used in OpenBSD 7.4 and 7.5, allows a heap-based buffer underflow and memory corruption. NOTE: this issue was introduced during a May 2023 refactoring.\"},{\"lang\":\"es\",\"value\":\"cron/entry.c en vixie cron anterior a 9cc8ab1, como se usa en OpenBSD 7.4 y 7.5, permite un desbordamiento del búfer basado en montón y corrupción de memoria. NOTA: este problema se introdujo durante una refactorización de mayo de 2023.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L\",\"baseScore\":7.3,\"baseSeverity\":\"HIGH\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"LOW\",\"integrityImpact\":\"LOW\",\"availabilityImpact\":\"LOW\"},\"exploitabilityScore\":3.9,\"impactScore\":3.4}]},\"weaknesses\":[{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-787\"}]}],\"references\":[{\"url\":\"https://github.com/vixie/cron/commit/9cc8ab1087bb9ab861dd5595c41200683c9f6712\",\"source\":\"cve@mitre.org\"},{\"url\":\"https://www.supernetworks.org/CVE-2024-43688/openbsd-cron-heap-underflow.txt\",\"source\":\"cve@mitre.org\"},{\"url\":\"https://www.supernetworks.org/advisories/CVE-2024-43688-openbsd-cron-heap-underflow.txt\",\"source\":\"cve@mitre.org\"}]}}",
      vulnrichment: {
         containers: "{\"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"cvssV3_1\": {\"scope\": \"UNCHANGED\", \"version\": \"3.1\", \"baseScore\": 7.3, \"attackVector\": \"NETWORK\", \"baseSeverity\": \"HIGH\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L\", \"integrityImpact\": \"LOW\", \"userInteraction\": \"NONE\", \"attackComplexity\": \"LOW\", \"availabilityImpact\": \"LOW\", \"privilegesRequired\": \"NONE\", \"confidentialityImpact\": \"LOW\"}}, {\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2024-43688\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"poc\"}, {\"Automatable\": \"yes\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2024-08-26T13:17:12.595187Z\"}}}], \"affected\": [{\"cpes\": [\"cpe:2.3:a:vixie:cron:*:*:*:*:*:*:*:*\"], \"vendor\": \"vixie\", \"product\": \"cron\", \"versions\": [{\"status\": \"affected\", \"version\": \"0\", \"lessThan\": \"9cc8ab1\", \"versionType\": \"custom\"}], \"defaultStatus\": \"unknown\"}, {\"cpes\": [\"cpe:2.3:o:openbsd:openbsd:7.4:*:*:*:*:*:*:*\"], \"vendor\": \"openbsd\", \"product\": \"openbsd\", \"versions\": [{\"status\": \"affected\", \"version\": \"7.4\"}], \"defaultStatus\": \"unknown\"}, {\"cpes\": [\"cpe:2.3:o:openbsd:openbsd:7.5:*:*:*:*:*:*:*\"], \"vendor\": \"openbsd\", \"product\": \"openbsd\", \"versions\": [{\"status\": \"affected\", \"version\": \"7.5\"}], \"defaultStatus\": \"unknown\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-787\", \"description\": \"CWE-787 Out-of-bounds Write\"}]}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2024-08-22T14:27:18.899Z\"}}], \"cna\": {\"affected\": [{\"vendor\": \"n/a\", \"product\": \"n/a\", \"versions\": [{\"status\": \"affected\", \"version\": \"n/a\"}]}], \"references\": [{\"url\": \"https://www.supernetworks.org/advisories/CVE-2024-43688-openbsd-cron-heap-underflow.txt\"}, {\"url\": \"https://github.com/vixie/cron/commit/9cc8ab1087bb9ab861dd5595c41200683c9f6712\"}, {\"url\": \"https://www.supernetworks.org/CVE-2024-43688/openbsd-cron-heap-underflow.txt\"}], \"descriptions\": [{\"lang\": \"en\", \"value\": \"cron/entry.c in vixie cron before 9cc8ab1, as used in OpenBSD 7.4 and 7.5, allows a heap-based buffer underflow and memory corruption. NOTE: this issue was introduced during a May 2023 refactoring.\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"text\", \"description\": \"n/a\"}]}], \"providerMetadata\": {\"orgId\": \"8254265b-2729-46b6-b9e3-3dfca2d5bfca\", \"shortName\": \"mitre\", \"dateUpdated\": \"2024-08-26T06:03:33.171555\"}}}",
         cveMetadata: "{\"cveId\": \"CVE-2024-43688\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2024-08-26T13:23:36.277Z\", \"dateReserved\": \"2024-08-14T00:00:00\", \"assignerOrgId\": \"8254265b-2729-46b6-b9e3-3dfca2d5bfca\", \"datePublished\": \"2024-08-20T00:00:00\", \"assignerShortName\": \"mitre\"}",
         dataType: "CVE_RECORD",
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      },
   },
}


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