137 lines
5.3 KiB
JSON
137 lines
5.3 KiB
JSON
{
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"dataType": "CVE_RECORD",
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"dataVersion": "5.1",
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"cveMetadata": {
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"state": "PUBLISHED",
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"cveId": "CVE-2021-42143",
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"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
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"assignerShortName": "mitre",
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"dateUpdated": "2025-06-20T19:16:00.614Z",
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"dateReserved": "2021-10-11T00:00:00.000Z",
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"datePublished": "2024-01-24T00:00:00.000Z"
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},
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"containers": {
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"cna": {
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"providerMetadata": {
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"orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
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"shortName": "mitre",
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"dateUpdated": "2024-01-24T17:53:40.614Z"
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},
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"descriptions": [
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{
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"lang": "en",
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"value": "An issue was discovered in Contiki-NG tinyDTLS through master branch 53a0d97. An infinite loop bug exists during the handling of a ClientHello handshake message. This bug allows remote attackers to cause a denial of service by sending a malformed ClientHello handshake message with an odd length of cipher suites, which triggers an infinite loop (consuming all resources) and a buffer over-read that can disclose sensitive information."
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}
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],
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"affected": [
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{
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"vendor": "n/a",
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"product": "n/a",
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"versions": [
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{
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"version": "n/a",
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"status": "affected"
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}
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]
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}
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],
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"references": [
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{
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"url": "https://seclists.org/fulldisclosure/2024/Jan/16"
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}
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],
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"problemTypes": [
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{
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"descriptions": [
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{
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"type": "text",
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"lang": "en",
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"description": "n/a"
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}
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]
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}
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]
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},
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"adp": [
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{
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"title": "CVE Program Container",
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"references": [
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{
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"url": "http://seclists.org/fulldisclosure/2024/Jan/16"
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},
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{
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"url": "https://seclists.org/fulldisclosure/2024/Jan/16",
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"tags": [
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"x_transferred"
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]
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}
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],
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"providerMetadata": {
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"orgId": "af854a3a-2127-422b-91ae-364da2661108",
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"shortName": "CVE",
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"dateUpdated": "2024-08-04T03:30:37.578Z"
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}
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},
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{
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"problemTypes": [
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{
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"descriptions": [
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{
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"type": "CWE",
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"cweId": "CWE-835",
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"lang": "en",
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"description": "CWE-835 Loop with Unreachable Exit Condition ('Infinite Loop')"
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}
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]
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}
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],
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"metrics": [
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{
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"cvssV3_1": {
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"scope": "UNCHANGED",
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"version": "3.1",
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"baseScore": 9.1,
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"attackVector": "NETWORK",
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"baseSeverity": "CRITICAL",
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"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H",
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"integrityImpact": "NONE",
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"userInteraction": "NONE",
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"attackComplexity": "LOW",
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"availabilityImpact": "HIGH",
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"privilegesRequired": "NONE",
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"confidentialityImpact": "HIGH"
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}
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},
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{
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"other": {
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"type": "ssvc",
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"content": {
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"timestamp": "2024-01-24T19:22:24.819809Z",
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"id": "CVE-2021-42143",
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"options": [
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{
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"Exploitation": "none"
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},
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{
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"Automatable": "no"
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},
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{
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"Technical Impact": "partial"
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}
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],
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"role": "CISA Coordinator",
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"version": "2.0.3"
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}
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}
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}
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],
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"title": "CISA ADP Vulnrichment",
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"providerMetadata": {
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"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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"shortName": "CISA-ADP",
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"dateUpdated": "2025-06-20T19:16:00.614Z"
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}
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}
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]
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}
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} |