133 lines
5.9 KiB
JSON
133 lines
5.9 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-2026-65981",
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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": "2026-07-23T18:54:15.832Z",
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"datePublished": "2026-07-31T21:00:02.893Z",
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"dateUpdated": "2026-08-05T13:44:34.433Z"
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},
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"containers": {
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"cna": {
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"title": "Coturn: MOBILITY-TICKET session-resume authorization bypass allows cross-user TURN allocation takeover",
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"problemTypes": [
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{
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"descriptions": [
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{
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"cweId": "CWE-639",
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"lang": "en",
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"description": "CWE-639: Authorization Bypass Through User-Controlled Key",
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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": "HIGH",
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"attackVector": "NETWORK",
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"availabilityImpact": "LOW",
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"baseScore": 7.1,
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"baseSeverity": "HIGH",
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"confidentialityImpact": "HIGH",
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"integrityImpact": "HIGH",
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"privilegesRequired": "LOW",
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"scope": "UNCHANGED",
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"userInteraction": "NONE",
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"vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:L",
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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/coturn/coturn/security/advisories/GHSA-69wx-x7x6-pjj8",
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"tags": [
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"x_refsource_CONFIRM"
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],
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"url": "https://github.com/coturn/coturn/security/advisories/GHSA-69wx-x7x6-pjj8"
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},
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{
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"name": "https://github.com/coturn/coturn/commit/37df0513168f830a7c9ce0a411db0300fa182f05",
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"tags": [
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"x_refsource_MISC"
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],
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"url": "https://github.com/coturn/coturn/commit/37df0513168f830a7c9ce0a411db0300fa182f05"
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}
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],
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"affected": [
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{
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"vendor": "coturn",
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"product": "coturn",
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"versions": [
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{
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"version": "< 4.15.0",
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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": "2026-07-31T21:00:02.893Z"
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},
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"descriptions": [
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{
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"lang": "en",
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"value": "Coturn is a free open source implementation of TURN and STUN Server. Prior to 4.15.0, a server using --mobility authenticates a resumed REFRESH request with the resuming user's credentials but does not verify that identity against the original allocation owner, allowing an authenticated attacker who obtains a victim MOBILITY-TICKET to receive and inject relayed traffic and consume the victim's quota. In the handle_turn_refresh resume branch, the victim allocation (orig_ss) is located solely by the attacker-controlled mobile id, and credentials are only adopted (via copy_auth_parameters) when the resuming session is unauthenticated. Because the attacker's session already has hmackey_set set to 1 from its own prior authentication (which is never reset for long-term-credential sessions), the credential copy is skipped and check_stun_auth validates the REFRESH against the attacker's own identity rather than the allocation owner's. This issue is fixed in version 4.15.0."
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}
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],
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"source": {
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"advisory": "GHSA-69wx-x7x6-pjj8",
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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/coturn/coturn/security/advisories/GHSA-69wx-x7x6-pjj8",
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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": "2026-08-04T03:56:21.281110Z",
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"id": "CVE-2026-65981",
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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": "no"
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},
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{
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"Technical Impact": "total"
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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": "2026-08-05T13:44:34.433Z"
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}
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}
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]
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}
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} |