FKIE_CVE-2026-111440

Vulnerability from fkie_nvd - Published: 2026-10-19 04:17 - Updated: 2026-10-19 20:56
Severity
7.0 (High) - CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Summary
在 openGauss-connector-jdbc 的 pgjdbc/src/main/java/org/postgresql/log/LogFactory.java 中，LogFactory 根据 JDBC 连接参数中的 logger 类名调用 Class.forName 加载类后，直接反射调用以 String 为参数的构造函数，再转换为 Log。缺少 asSubclass(Log.class) 校验，非 Log 实现类也会在类型检查前被实例化。因此，当攻击者可控制 JDBC URL 或连接属性中的 logger 类名，且客户端 classpath 中存在可被加载的类时，可能在客户端触发非预期的类加载与构造副作用。 此漏洞自 JDBC 1.1.0引入，影响 1.1.0 及之后的 2.x、3.x、5.x、6.x 各版本及补丁（含 6.0.0 分支最新 6.0.6），以及 7.0.0-RC1、7.0.0-RC2、7.0.0-RC3，并在 7.0.0-LTS 版本修复。修复在 Class.forName 之后先执行 asSubclass(Log.class)，仅允许 Log 子类进入构造。修复pr见https://gitcode.com/opengauss/openGauss-connector-jdbc/pull/423。
References
a1a479f7-907b-4ae8-a999-9148cadc9224https://gitcode.com/opengauss/openGauss-connector-jdbc/pull/423
Impacted products
Vendor Product Version
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "collectionURL": "https://opengauss.org/zh/download/archive/?version=7.0.0-RC3",
          "defaultStatus": "unaffected",
          "platforms": [
            "openEuler",
            "Centos"
          ],
          "product": "openGauss-connector-jdbc",
          "vendor": "openGauss-server",
          "versions": [
            {
              "status": "unaffected",
              "version": "7.0.0-LTS"
            },
            {
              "status": "affected",
              "version": "1.0.0, 1.0.1, 1.1.0"
            },
            {
              "status": "affected",
              "version": "2.0.0, 2.1.0"
            },
            {
              "status": "affected",
              "version": "3.0.0-3.0.5"
            },
            {
              "status": "affected",
              "version": "3.1.0-3.1.1"
            },
            {
              "status": "affected",
              "version": "5.0.0-5.0.3"
            },
            {
              "status": "affected",
              "version": "5.1.0"
            },
            {
              "status": "affected",
              "version": "5.0.0-RC1"
            },
            {
              "status": "affected",
              "version": "6.0.0-RC1"
            },
            {
              "status": "affected",
              "version": "6.0.0-6.0.6"
            },
            {
              "status": "affected",
              "version": "7.0.0-RC1, 7.0.0-RC2, 7.0.0-RC3"
            }
          ]
        }
      ],
      "source": "a1a479f7-907b-4ae8-a999-9148cadc9224"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "\u5728 openGauss-connector-jdbc \u7684 pgjdbc/src/main/java/org/postgresql/log/LogFactory.java \u4e2d\uff0cLogFactory \u6839\u636e JDBC \u8fde\u63a5\u53c2\u6570\u4e2d\u7684 logger \u7c7b\u540d\u8c03\u7528 Class.forName \u52a0\u8f7d\u7c7b\u540e\uff0c\u76f4\u63a5\u53cd\u5c04\u8c03\u7528\u4ee5 String \u4e3a\u53c2\u6570\u7684\u6784\u9020\u51fd\u6570\uff0c\u518d\u8f6c\u6362\u4e3a Log\u3002\u7f3a\u5c11 asSubclass(Log.class) \u6821\u9a8c\uff0c\u975e Log \u5b9e\u73b0\u7c7b\u4e5f\u4f1a\u5728\u7c7b\u578b\u68c0\u67e5\u524d\u88ab\u5b9e\u4f8b\u5316\u3002\u56e0\u6b64\uff0c\u5f53\u653b\u51fb\u8005\u53ef\u63a7\u5236 JDBC URL \u6216\u8fde\u63a5\u5c5e\u6027\u4e2d\u7684 logger \u7c7b\u540d\uff0c\u4e14\u5ba2\u6237\u7aef classpath \u4e2d\u5b58\u5728\u53ef\u88ab\u52a0\u8f7d\u7684\u7c7b\u65f6\uff0c\u53ef\u80fd\u5728\u5ba2\u6237\u7aef\u89e6\u53d1\u975e\u9884\u671f\u7684\u7c7b\u52a0\u8f7d\u4e0e\u6784\u9020\u526f\u4f5c\u7528\u3002\n\n\u6b64\u6f0f\u6d1e\u81ea JDBC 1.1.0\u5f15\u5165\uff0c\u5f71\u54cd 1.1.0 \u53ca\u4e4b\u540e\u7684 2.x\u30013.x\u30015.x\u30016.x \u5404\u7248\u672c\u53ca\u8865\u4e01\uff08\u542b 6.0.0 \u5206\u652f\u6700\u65b0 6.0.6\uff09\uff0c\u4ee5\u53ca 7.0.0-RC1\u30017.0.0-RC2\u30017.0.0-RC3\uff0c\u5e76\u5728 7.0.0-LTS \u7248\u672c\u4fee\u590d\u3002\u4fee\u590d\u5728 Class.forName \u4e4b\u540e\u5148\u6267\u884c asSubclass(Log.class)\uff0c\u4ec5\u5141\u8bb8 Log \u5b50\u7c7b\u8fdb\u5165\u6784\u9020\u3002\u4fee\u590dpr\u89c1https://gitcode.com/opengauss/openGauss-connector-jdbc/pull/423\u3002"
    }
  ],
  "id": "CVE-2026-111440",
  "lastModified": "2026-10-19T20:56:36.663",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "HIGH",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 7.0,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 1.0,
        "impactScore": 5.9,
        "source": "a1a479f7-907b-4ae8-a999-9148cadc9224",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-111440",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2026-10-19T17:39:30.858779Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2026-10-19T04:17:03.657",
  "references": [
    {
      "source": "a1a479f7-907b-4ae8-a999-9148cadc9224",
      "url": "https://gitcode.com/opengauss/openGauss-connector-jdbc/pull/423"
    }
  ],
  "sourceIdentifier": "a1a479f7-907b-4ae8-a999-9148cadc9224",
  "vulnStatus": "Deferred",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-470"
        }
      ],
      "source": "a1a479f7-907b-4ae8-a999-9148cadc9224",
      "type": "Secondary"
    }
  ]
}



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