{"id":"CVE-2023-45318","state":"PUBLISHED","title":"A heap-based buffer overflow vulnerability exists in the HTTP Server functionality of Weston Embedded uC-HTTP git commit 80d4004. A specially crafted network packet can lead to arb","description":"A heap-based buffer overflow vulnerability exists in the HTTP Server functionality of Weston Embedded uC-HTTP git commit 80d4004. A specially crafted network packet can lead to arbitrary code execution. An attacker can send a malicious packet to trigger this vulnerability.","publishedAt":"2024-02-20T14:45:02.103Z","updatedAt":"2025-11-04T18:17:44.895Z","severity":{"score":10,"label":"Critical","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","source":"talos"},"assigner":"talos","products":["Silicon Labs Gecko Platform","Weston Embedded uC-HTTP"],"affected":[{"vendor":"Silicon Labs","product":"Gecko Platform","versions":[{"version":"Silicon Labs Gecko Platform 4.3.2.0","status":"affected"}]},{"vendor":"Weston Embedded","product":"uC-HTTP","versions":[{"version":"git commit 80d4004","status":"affected"}]}],"references":["https://talosintelligence.com/vulnerability_reports/TALOS-2023-1843","https://www.talosintelligence.com/vulnerability_reports/TALOS-2023-1843"],"weaknesses":["CWE-122"],"ingestedAt":"2026-10-29T20:06:24.729Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2023/45xxx/CVE-2023-45318.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2023-45318","state":"PUBLISHED","datePublished":"2024-02-20T14:45:02.103Z","dateUpdated":"2025-11-04T18:17:44.895Z","assignerShortName":"talos","assignerOrgId":"b86d76f8-0f8a-4a96-a78d-d8abfc7fc29b","dateReserved":"2023-10-06T20:58:14.631Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"A heap-based buffer overflow vulnerability exists in the HTTP Server functionality of Weston Embedded uC-HTTP git commit 80d4004. A specially crafted network packet can lead to arbitrary code execution. An attacker can send a malicious packet to trigger this vulnerability."}],"affected":[{"vendor":"Silicon Labs","product":"Gecko Platform","versions":[{"version":"Silicon Labs Gecko Platform 4.3.2.0","status":"affected"}]},{"vendor":"Weston Embedded","product":"uC-HTTP","versions":[{"version":"git commit 80d4004","status":"affected"}]}],"references":[{"url":"https://talosintelligence.com/vulnerability_reports/TALOS-2023-1843","name":"https://talosintelligence.com/vulnerability_reports/TALOS-2023-1843"}],"metrics":[{"cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"CHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH","baseScore":10,"baseSeverity":"CRITICAL"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-122","lang":"en","description":"CWE-122: Heap-based Buffer Overflow","type":"CWE"}]}],"providerMetadata":{"shortName":"talos","orgId":"b86d76f8-0f8a-4a96-a78d-d8abfc7fc29b","dateUpdated":"2024-02-20T18:00:06.767Z"},"credits":[{"lang":"en","value":"Discovered by Kelly Patterson of Cisco Talos."}]},"adp":[{"title":"CISA ADP Vulnrichment","affected":[{"vendor":"silabs","product":"gecko_platform","defaultStatus":"unknown","versions":[{"version":"4.3.2.0","status":"affected"}],"cpes":["cpe:2.3:a:silabs:gecko_platform:*:*:*:*:*:*:*:*"]},{"vendor":"weston-embedded","product":"uc-http","defaultStatus":"unknown","versions":[{"version":"git commit 80d4004","status":"affected"}],"cpes":["cpe:2.3:a:weston-embedded:uc-http:*:*:*:*:*:*:*:*"]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2024-02-20T16:31:01.592003Z","id":"CVE-2023-45318","options":[{"Exploitation":"poc"},{"Automatable":"yes"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2025-04-24T15:05:01.293Z"}},{"title":"CVE Program Container","references":[{"url":"https://talosintelligence.com/vulnerability_reports/TALOS-2023-1843","name":"https://talosintelligence.com/vulnerability_reports/TALOS-2023-1843","tags":["x_transferred"]},{"url":"https://www.talosintelligence.com/vulnerability_reports/TALOS-2023-1843"}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2025-11-04T18:17:44.895Z"}}]}}}