156 lines
6.3 KiB
JSON
156 lines
6.3 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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"cveId": "CVE-2021-4239",
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"assignerOrgId": "1bb62c36-49e3-4200-9d77-64a1400537cc",
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"state": "PUBLISHED",
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"assignerShortName": "Go",
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"dateReserved": "2022-07-29T20:06:51.345Z",
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"datePublished": "2022-12-27T21:13:53.590Z",
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"dateUpdated": "2025-04-14T16:59:43.688Z"
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},
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"containers": {
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"cna": {
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"providerMetadata": {
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"orgId": "1bb62c36-49e3-4200-9d77-64a1400537cc",
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"shortName": "Go",
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"dateUpdated": "2023-06-12T19:04:19.549Z"
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},
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"title": "Weak encryption and denial of service in github.com/flynn/noise",
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"descriptions": [
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{
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"lang": "en",
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"value": "The Noise protocol implementation suffers from weakened cryptographic security after encrypting 2^64 messages, and a potential denial of service attack. After 2^64 (~18.4 quintillion) messages are encrypted with the Encrypt function, the nonce counter will wrap around, causing multiple messages to be encrypted with the same key and nonce. In a separate issue, the Decrypt function increments the nonce state even when it fails to decrypt a message. If an attacker can provide an invalid input to the Decrypt function, this will cause the nonce state to desynchronize between the peers, resulting in a failure to encrypt all subsequent messages."
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}
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],
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"affected": [
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{
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"vendor": "github.com/flynn/noise",
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"product": "github.com/flynn/noise",
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"collectionURL": "https://pkg.go.dev",
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"packageName": "github.com/flynn/noise",
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"versions": [
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{
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"version": "0",
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"lessThan": "1.0.0",
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"status": "affected",
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"versionType": "semver"
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}
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],
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"programRoutines": [
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{
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"name": "CipherState.Encrypt"
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},
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{
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"name": "CipherState.Decrypt"
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},
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{
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"name": "symmetricState.EncryptAndHash"
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},
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{
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"name": "HandshakeState.ReadMessage"
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},
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{
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"name": "HandshakeState.WriteMessage"
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},
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{
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"name": "symmetricState.DecryptAndHash"
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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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"problemTypes": [
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{
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"descriptions": [
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{
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"lang": "en",
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"description": "CWE 400: Uncontrolled Resource Consumption"
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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://github.com/flynn/noise/pull/44"
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},
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{
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"url": "https://pkg.go.dev/vuln/GO-2022-0425"
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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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"providerMetadata": {
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"orgId": "af854a3a-2127-422b-91ae-364da2661108",
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"shortName": "CVE",
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"dateUpdated": "2024-08-03T17:23:10.118Z"
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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": "https://github.com/flynn/noise/pull/44",
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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://pkg.go.dev/vuln/GO-2022-0425",
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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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"cvssV3_1": {
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"scope": "UNCHANGED",
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"version": "3.1",
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"baseScore": 7.5,
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"attackVector": "NETWORK",
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"baseSeverity": "HIGH",
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"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
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"integrityImpact": "HIGH",
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"userInteraction": "NONE",
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"attackComplexity": "LOW",
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"availabilityImpact": "NONE",
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"privilegesRequired": "NONE",
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"confidentialityImpact": "NONE"
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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": "2025-04-14T16:59:11.062582Z",
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"id": "CVE-2021-4239",
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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": "2025-04-14T16:59:43.688Z"
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}
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}
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]
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}
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} |