201 lines
7.9 KiB
JSON
201 lines
7.9 KiB
JSON
{
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"dataType": "CVE_RECORD",
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"dataVersion": "5.2",
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"cveMetadata": {
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"cveId": "CVE-2025-11232",
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"assignerOrgId": "404fd4d2-a609-4245-b543-2c944a302a22",
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"state": "PUBLISHED",
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"assignerShortName": "isc",
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"dateReserved": "2025-10-01T15:15:46.992Z",
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"datePublished": "2025-10-29T18:02:39.421Z",
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"dateUpdated": "2025-11-04T21:09:09.184Z"
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},
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"containers": {
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"cna": {
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"providerMetadata": {
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"orgId": "404fd4d2-a609-4245-b543-2c944a302a22",
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"shortName": "isc",
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"dateUpdated": "2025-10-29T18:02:39.421Z"
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},
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"title": "Invalid characters cause assert",
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"datePublic": "2025-10-29T00:00:00.000Z",
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"affected": [
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{
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"vendor": "ISC",
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"product": "Kea",
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"versions": [
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{
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"version": "3.0.1",
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"lessThanOrEqual": "3.0.1",
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"status": "affected",
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"versionType": "custom"
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},
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{
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"version": "3.1.1",
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"lessThanOrEqual": "3.1.2",
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"status": "affected",
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"versionType": "custom"
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},
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{
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"version": "2.6.0",
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"lessThanOrEqual": "2.6.4",
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"status": "unaffected",
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"versionType": "custom"
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},
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{
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"version": "2.7.0",
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"lessThanOrEqual": "2.7.9",
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"status": "unaffected",
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"versionType": "custom"
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},
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{
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"version": "3.0.0",
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"lessThanOrEqual": "3.0.0",
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"status": "unaffected",
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"versionType": "custom"
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},
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{
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"version": "3.1.0",
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"lessThanOrEqual": "3.1.0",
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"status": "unaffected",
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"versionType": "custom"
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}
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],
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"defaultStatus": "unaffected"
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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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"version": "3.1",
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"attackVector": "NETWORK",
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"attackComplexity": "LOW",
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"privilegesRequired": "NONE",
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"userInteraction": "NONE",
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"scope": "UNCHANGED",
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"confidentialityImpact": "NONE",
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"integrityImpact": "NONE",
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"availabilityImpact": "HIGH",
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"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
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"baseScore": 7.5,
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"baseSeverity": "HIGH"
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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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"lang": "en",
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"type": "CWE",
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"cweId": "CWE-823",
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"description": "CWE-823 Use of Out-of-range Pointer Offset"
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}
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]
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}
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],
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"descriptions": [
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{
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"lang": "en",
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"value": "To trigger the issue, three configuration parameters must have specific settings: \"hostname-char-set\" must be left at the default setting, which is \"[^A-Za-z0-9.-]\"; \"hostname-char-replacement\" must be empty (the default); and \"ddns-qualifying-suffix\" must *NOT* be empty (the default is empty). DDNS updates do not need to be enabled for this issue to manifest. A client that sends certain option content would then cause kea-dhcp4 to exit unexpectedly.\nThis issue affects Kea versions 3.0.1 through 3.0.1 and 3.1.1 through 3.1.2."
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}
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],
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"impacts": [
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{
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"descriptions": [
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{
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"lang": "en",
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"value": "A denial of service from the repeated attacks against the Kea server"
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}
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]
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}
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],
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"workarounds": [
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{
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"lang": "en",
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"value": "Setting \"hostname-char-replacement\" to anything other than an empty value (suggestion: \"x\") is an effective workaround to this issue, regardless of other settings."
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}
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],
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"exploits": [
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{
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"lang": "en",
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"value": "We are not aware of any active exploits."
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}
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],
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"solutions": [
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{
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"lang": "en",
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"value": "Upgrade to the patched release most closely related to your current version of Kea: 3.0.2 or 3.1.3."
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}
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],
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"credits": [
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{
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"lang": "en",
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"value": "ISC would like to thank Siniša Uskoković and Ralf Steuer from Vienna University of Economics and Business for bringing this vulnerability to our attention."
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}
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],
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"references": [
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{
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"url": "https://kb.isc.org/docs/cve-2025-11232",
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"name": "CVE-2025-11232",
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"tags": [
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"vendor-advisory"
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]
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}
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],
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"source": {
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"discovery": "EXTERNAL"
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},
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"x_generator": {
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"engine": "cvelib 1.8.0"
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}
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},
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"adp": [
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{
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"metrics": [
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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": "2025-10-29T18:22:07.119804Z",
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"id": "CVE-2025-11232",
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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": "yes"
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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": "2025-10-29T18:22:23.455Z"
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}
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},
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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://www.openwall.com/lists/oss-security/2025/10/29/5"
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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": "2025-11-04T21:09:09.184Z"
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}
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}
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]
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}
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} |