160 lines
6.7 KiB
JSON
160 lines
6.7 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-2026-73564",
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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": "2026-08-12T20:53:46.380Z",
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"datePublished": "2026-08-13T17:35:46.762Z",
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"dateUpdated": "2026-08-13T17:53:06.534Z"
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},
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"containers": {
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"cna": {
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"title": "frp: Unauthenticated Remote Denial of Service in the frp SSH Tunnel Gateway via Integer Overflow",
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"problemTypes": [
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{
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"descriptions": [
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{
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"cweId": "CWE-129",
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"lang": "en",
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"description": "CWE-129: Improper Validation of Array Index",
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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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"descriptions": [
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{
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"cweId": "CWE-190",
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"lang": "en",
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"description": "CWE-190: Integer Overflow 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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"cvssV4_0": {
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"attackVector": "NETWORK",
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"attackComplexity": "LOW",
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"attackRequirements": "NONE",
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"privilegesRequired": "NONE",
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"userInteraction": "NONE",
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"vulnConfidentialityImpact": "NONE",
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"vulnIntegrityImpact": "NONE",
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"vulnAvailabilityImpact": "HIGH",
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"subConfidentialityImpact": "NONE",
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"subIntegrityImpact": "NONE",
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"subAvailabilityImpact": "NONE",
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"baseScore": 8.7,
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"baseSeverity": "HIGH",
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"vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N",
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"version": "4.0"
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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/fatedier/frp/security/advisories/GHSA-26gq-p25f-99cp",
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"tags": [
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"x_refsource_CONFIRM"
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],
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"url": "https://github.com/fatedier/frp/security/advisories/GHSA-26gq-p25f-99cp"
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},
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{
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"name": "https://github.com/fatedier/frp/pull/5428",
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"tags": [
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"x_refsource_MISC"
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],
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"url": "https://github.com/fatedier/frp/pull/5428"
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},
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{
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"name": "https://github.com/fatedier/frp/commit/7dc7be930e2452ae93fd32f2a77f8c6fcd0b652b",
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"tags": [
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"x_refsource_MISC"
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],
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"url": "https://github.com/fatedier/frp/commit/7dc7be930e2452ae93fd32f2a77f8c6fcd0b652b"
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},
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{
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"name": "https://github.com/fatedier/frp/releases/tag/v0.70.1",
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"tags": [
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"x_refsource_MISC"
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],
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"url": "https://github.com/fatedier/frp/releases/tag/v0.70.1"
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}
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],
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"affected": [
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{
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"vendor": "fatedier",
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"product": "frp",
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"versions": [
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{
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"version": ">= 0.53.0, < 0.70.1",
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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": "2026-08-13T17:35:46.762Z"
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},
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"descriptions": [
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{
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"lang": "en",
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"value": "frp is a fast reverse proxy. From 0.53.0 until 0.70.1, frp's optional SSH Tunnel Gateway in pkg/ssh/server.go parses an SSH exec channel request by adding 4 to an attacker-controlled four-byte big-endian length. A length of 0xFFFFFFFF makes the uint32 addition wrap to 3, defeats the payload bounds check, and causes payload[4:3] to panic in TunnelServer.handleNewChannel. When no authorized-keys file is configured, sshConfig.NoClientAuth permits an unauthenticated peer to reach this channel phase before the frp token is checked, so a single five-byte request terminates the frps process and drops every active tunnel. This issue is fixed in version 0.70.1."
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}
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],
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"source": {
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"advisory": "GHSA-26gq-p25f-99cp",
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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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"references": [
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{
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"url": "https://github.com/fatedier/frp/security/advisories/GHSA-26gq-p25f-99cp",
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"tags": [
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"exploit"
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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": "2026-08-13T17:52:30.634352Z",
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"id": "CVE-2026-73564",
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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": "2026-08-13T17:53:06.534Z"
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}
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}
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]
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}
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} |