202 lines
9.4 KiB
JSON
202 lines
9.4 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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"cveId": "CVE-2023-31137",
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"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
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"state": "PUBLISHED",
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"assignerShortName": "GitHub_M",
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"dateReserved": "2023-04-24T21:44:10.417Z",
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"datePublished": "2023-05-09T13:56:46.219Z",
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"dateUpdated": "2025-02-13T16:49:46.296Z"
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},
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"containers": {
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"cna": {
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"title": "MaraDNS Integer Underflow Vulnerability in DNS Packet Decompression",
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"problemTypes": [
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{
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"descriptions": [
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{
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"cweId": "CWE-191",
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"lang": "en",
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"description": "CWE-191: Integer Underflow (Wrap or Wraparound)",
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"type": "CWE"
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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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"attackComplexity": "LOW",
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"attackVector": "NETWORK",
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"availabilityImpact": "HIGH",
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"baseScore": 7.5,
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"baseSeverity": "HIGH",
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"confidentialityImpact": "NONE",
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"integrityImpact": "NONE",
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"privilegesRequired": "NONE",
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"scope": "UNCHANGED",
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"userInteraction": "NONE",
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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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"version": "3.1"
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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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"name": "https://github.com/samboy/MaraDNS/security/advisories/GHSA-58m7-826v-9c3c",
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"tags": [
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"x_refsource_CONFIRM"
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],
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"url": "https://github.com/samboy/MaraDNS/security/advisories/GHSA-58m7-826v-9c3c"
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},
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{
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"name": "https://github.com/samboy/MaraDNS/commit/bab062bde40b2ae8a91eecd522e84d8b993bab58",
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"tags": [
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"x_refsource_MISC"
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],
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"url": "https://github.com/samboy/MaraDNS/commit/bab062bde40b2ae8a91eecd522e84d8b993bab58"
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},
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{
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"name": "https://github.com/samboy/MaraDNS/blob/08b21ea20d80cedcb74aa8f14979ec7c61846663/dns/Decompress.c#L886",
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"tags": [
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"x_refsource_MISC"
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],
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"url": "https://github.com/samboy/MaraDNS/blob/08b21ea20d80cedcb74aa8f14979ec7c61846663/dns/Decompress.c#L886"
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},
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{
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"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/NB7LDZM5AGWC5BHHQHW6CP5OFNBBKFOQ/"
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},
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{
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"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/3VSMLJX25MXGQ6A7UPOGK7VPUVDESPHL/"
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},
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{
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"url": "https://lists.debian.org/debian-lts-announce/2023/06/msg00019.html"
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},
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{
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"url": "https://www.debian.org/security/2023/dsa-5441"
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}
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],
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"affected": [
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{
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"vendor": "samboy",
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"product": "MaraDNS",
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"versions": [
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{
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"version": "<= 3.5.0024",
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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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"providerMetadata": {
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"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
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"shortName": "GitHub_M",
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"dateUpdated": "2023-06-29T11:06:15.332Z"
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},
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"descriptions": [
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{
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"lang": "en",
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"value": "MaraDNS is open-source software that implements the Domain Name System (DNS). In version 3.5.0024 and prior, a remotely exploitable integer underflow vulnerability in the DNS packet decompression function allows an attacker to cause a Denial of Service by triggering an abnormal program termination.\n\nThe vulnerability exists in the `decomp_get_rddata` function within the `Decompress.c` file. When handling a DNS packet with an Answer RR of qtype 16 (TXT record) and any qclass, if the `rdlength` is smaller than `rdata`, the result of the line `Decompress.c:886` is a negative number `len = rdlength - total;`. This value is then passed to the `decomp_append_bytes` function without proper validation, causing the program to attempt to allocate a massive chunk of memory that is impossible to allocate. Consequently, the program exits with an error code of 64, causing a Denial of Service.\n\nOne proposed fix for this vulnerability is to patch `Decompress.c:887` by breaking `if(len <= 0)`, which has been incorporated in version 3.5.0036 via commit bab062bde40b2ae8a91eecd522e84d8b993bab58."
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}
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],
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"source": {
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"advisory": "GHSA-58m7-826v-9c3c",
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"discovery": "UNKNOWN"
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}
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},
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"adp": [
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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": "2024-08-02T14:45:25.771Z"
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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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"name": "https://github.com/samboy/MaraDNS/security/advisories/GHSA-58m7-826v-9c3c",
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"tags": [
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"x_refsource_CONFIRM",
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"x_transferred"
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],
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"url": "https://github.com/samboy/MaraDNS/security/advisories/GHSA-58m7-826v-9c3c"
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},
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{
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"name": "https://github.com/samboy/MaraDNS/commit/bab062bde40b2ae8a91eecd522e84d8b993bab58",
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"tags": [
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"x_refsource_MISC",
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"x_transferred"
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],
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"url": "https://github.com/samboy/MaraDNS/commit/bab062bde40b2ae8a91eecd522e84d8b993bab58"
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},
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{
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"name": "https://github.com/samboy/MaraDNS/blob/08b21ea20d80cedcb74aa8f14979ec7c61846663/dns/Decompress.c#L886",
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"tags": [
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"x_refsource_MISC",
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"x_transferred"
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],
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"url": "https://github.com/samboy/MaraDNS/blob/08b21ea20d80cedcb74aa8f14979ec7c61846663/dns/Decompress.c#L886"
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},
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{
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"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/NB7LDZM5AGWC5BHHQHW6CP5OFNBBKFOQ/",
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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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"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/3VSMLJX25MXGQ6A7UPOGK7VPUVDESPHL/",
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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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"url": "https://lists.debian.org/debian-lts-announce/2023/06/msg00019.html",
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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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"url": "https://www.debian.org/security/2023/dsa-5441",
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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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},
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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": "2024-03-08T16:26:06.644708Z",
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"id": "CVE-2023-31137",
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"options": [
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{
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"Exploitation": "poc"
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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": "2024-11-27T16:19:59.296Z"
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}
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}
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]
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}
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} |