140 lines
5.9 KiB
JSON
140 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-2026-68553",
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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": "2026-07-30T19:56:44.102Z",
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"datePublished": "2026-08-19T20:37:42.319Z",
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"dateUpdated": "2026-08-20T19:48:45.809Z"
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},
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"containers": {
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"cna": {
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"title": "Coturn: Format String Injection via TURN USERNAME/REALM into hiredis Redis Command",
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"problemTypes": [
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{
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"descriptions": [
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{
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"cweId": "CWE-134",
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"lang": "en",
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"description": "CWE-134: Use of Externally-Controlled Format String",
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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": 7.1,
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"baseSeverity": "HIGH",
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"confidentialityImpact": "LOW",
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"integrityImpact": "NONE",
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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:L/PR:L/UI:N/S:U/C:L/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/coturn/coturn/security/advisories/GHSA-4g7c-p5wg-j4hp",
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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-4g7c-p5wg-j4hp"
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},
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{
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"name": "https://github.com/coturn/coturn/commit/8fa38032bb4751e11e072d65a8eca3c06c950979",
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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/8fa38032bb4751e11e072d65a8eca3c06c950979"
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},
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{
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"name": "https://github.com/coturn/coturn/releases/tag/4.13.0",
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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/releases/tag/4.13.0"
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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": "< 4.13.0",
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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": "2026-08-19T20:37:42.319Z"
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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 4.13.0, an authenticated TURN user can place printf-style format specifiers in the STUN USERNAME or REALM attribute, which passes is_secure_string() validation and is embedded into Redis keys at nine call sites in src/apps/relay/ns_ioalib_engine_impl.c. send_message_to_redis() in src/apps/relay/hiredis_libevent2.c then passes the attacker-controlled key as the format argument to redisAsyncCommand() while supplying only one variadic value, causing hiredis redisvFormatCommand() to read past the va_list. Exploitation can crash the coturn process and terminate active TURN sessions or disclose stack memory into Redis. This issue is fixed in version 4.13.0."
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}
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],
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"source": {
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"advisory": "GHSA-4g7c-p5wg-j4hp",
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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-4g7c-p5wg-j4hp",
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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": "2026-08-20T19:48:40.817549Z",
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"id": "CVE-2026-68553",
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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": "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": "2026-08-20T19:48:45.809Z"
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}
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}
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]
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}
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} |