175 lines
8.3 KiB
JSON
175 lines
8.3 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-2026-111438",
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"assignerOrgId": "a1a479f7-907b-4ae8-a999-9148cadc9224",
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"state": "PUBLISHED",
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"assignerShortName": "openGauss",
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"dateReserved": "2026-10-16T03:04:53.420Z",
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"datePublished": "2026-10-19T08:08:03.265Z",
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"dateUpdated": "2026-10-19T17:22:23.532Z"
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},
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"containers": {
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"cna": {
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"providerMetadata": {
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"orgId": "a1a479f7-907b-4ae8-a999-9148cadc9224",
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"shortName": "openGauss",
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"dateUpdated": "2026-10-19T08:08:03.265Z"
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},
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"title": "check_hba_replication 认证与访问控制绕过",
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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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"cweId": "CWE-288",
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"description": "CWE-288 Authentication bypass using an alternate path or channel",
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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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"impacts": [
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{
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"capecId": "CAPEC-115",
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"descriptions": [
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{
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"lang": "en",
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"value": "CAPEC-115 Authentication Bypass"
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}
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]
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}
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],
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"affected": [
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{
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"vendor": "openGauss-server",
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"product": "openGauss-server",
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"platforms": [
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"openEuler",
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"Centos"
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],
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"collectionURL": "https://opengauss.org/zh/download/archive/?version=7.0.0%20(LTS)",
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"versions": [
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{
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"status": "unaffected",
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"version": "7.0.0-LTS"
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},
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{
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"status": "affected",
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"version": "3.0.0-3.0.5"
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},
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{
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"status": "affected",
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"version": "3.1.0-3.1.1"
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},
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{
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"status": "affected",
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"version": "5.0.0-RC1"
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},
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{
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"status": "affected",
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"version": "5.0.0-5.0.3"
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},
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{
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"status": "affected",
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"version": "6.0.0-RC1"
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},
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{
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"status": "affected",
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"version": "6.0.0-6.0.6"
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},
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{
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"status": "affected",
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"version": "7.0.0-RC1, 7.0.0-RC2, 7.0.0-RC3"
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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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"descriptions": [
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{
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"lang": "en",
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"value": "在 openGauss-server 的 src/common/backend/libpq/hba.cpp 中，复制连接认证存在访问控制绕过。hba_getauthmethod() 在处理 HADR/SW 复制发送方时，不要求 is_node_internal_connection()，直接调用 check_hba_replication()。check_hba_replication() 仅按 replication 标记做弱匹配，缺少普通 check_hba() 中的远程 trust 禁止等完整校验。因此，非内部网络的 HADR/SW 复制连接可绕过内部连接限制和完整 pg_hba 策略完成认证，进而通过复制协议读取备份与日志数据。\n\n此问题随 HADR 复制发送方绕过内部连接校验进入代码，自 3.0.0 起即存在。受影响版本包括 3.0.x、3.1.x、5.0.x、5.1.0、6.0.x，以及 7.0.0-RC1、7.0.0-RC2、7.0.0-RC3。该问题已在 7.0.0-LTS版本修复，通过要求 HADR/SW 复制发送方必须经过 is_node_internal_connection 校验，使外部复制连接改走普通 check_hba() 并触发禁止远程 trust 策略。修复pr见https://gitcode.com/opengauss/openGauss-server/pull/9757。",
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"supportingMedia": [
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{
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"type": "text/html",
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"base64": false,
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"value": "<div><table><tbody><tr><td>在 openGauss-server 的 src/common/backend/libpq/hba.cpp 中，复制连接认证存在访问控制绕过。hba_getauthmethod() 在处理 HADR/SW 复制发送方时，不要求 is_node_internal_connection()，直接调用 check_hba_replication()。check_hba_replication() 仅按 replication 标记做弱匹配，缺少普通 check_hba() 中的远程 trust 禁止等完整校验。因此，非内部网络的 HADR/SW 复制连接可绕过内部连接限制和完整 pg_hba 策略完成认证，进而通过复制协议读取备份与日志数据。<br><br>此问题随 HADR 复制发送方绕过内部连接校验进入代码，自 3.0.0 起即存在。受影响版本包括 3.0.x、3.1.x、5.0.x、5.1.0、6.0.x，以及 7.0.0-RC1、7.0.0-RC2、7.0.0-RC3。该问题已在 7.0.0-LTS版本修复，通过要求 HADR/SW 复制发送方必须经过 is_node_internal_connection 校验，使外部复制连接改走普通 check_hba() 并触发禁止远程 trust 策略。修复pr见https://gitcode.com/opengauss/openGauss-server/pull/9757。</td></tr></tbody></table></div>"
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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://gitcode.com/opengauss/openGauss-server/pull/9757"
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}
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],
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"metrics": [
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{
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"format": "CVSS",
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"scenarios": [
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{
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"lang": "en",
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"value": "GENERAL"
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}
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],
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"cvssV3_1": {
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"version": "3.1",
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"attackVector": "NETWORK",
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"attackComplexity": "LOW",
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"privilegesRequired": "HIGH",
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"userInteraction": "NONE",
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"scope": "UNCHANGED",
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"confidentialityImpact": "HIGH",
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"integrityImpact": "HIGH",
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"availabilityImpact": "NONE",
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"baseSeverity": "MEDIUM",
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"baseScore": 6.5,
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"vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N"
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}
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}
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],
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"source": {
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"discovery": "EXTERNAL"
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},
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"x_generator": {
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"engine": "Vulnogram 1.0.5"
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}
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},
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"adp": [
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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": "2026-10-19T17:22:00.742739Z",
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"id": "CVE-2026-111438",
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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": "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": "2026-10-19T17:22:23.532Z"
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}
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}
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]
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}
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} |