Vulnerability-Lookup

CNVD-2020-02555

Vulnerability from cnvd - Published: 2020-01-16

Title

Oracle Database Server存在未明漏洞（CNVD-2020-02555）

Description

Oracle Database Server是一个对象一关系数据库管理系统，提供开放的、全面的、集成的信息管理方法。 Oracle Database Server存在未明漏洞。攻击者可利用该漏洞读取访问Core RDBMS未授权数据，影响机密性。

Severity

中

Patch Name

Oracle Database Server存在未明漏洞（CNVD-2020-02555）的补丁

Patch Description

Oracle Database Server是一个对象一关系数据库管理系统，提供开放的、全面的、集成的信息管理方法。 Oracle Database Server存在未明漏洞。攻击者可利用该漏洞读取访问Core RDBMS未授权数据，影响机密性。目前，供应商发布了安全公告及相关补丁信息，修复了此漏洞。

Formal description

厂商已发布了漏洞修复程序，请及时关注更新： https://www.oracle.com/security-alerts/cpujan2020.html

Reference

https://nvd.nist.gov/vuln/detail/CVE-2020-2527

Impacted products

Name
['Oracle Oracle Database Server 12.1.0.2', 'Oracle Oracle Database Server 12.2.0.1', 'Oracle Oracle Database Server 18c', 'Oracle Oracle Database Server 19c']

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2020-2527",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2020-2527"
    }
  },
  "description": "Oracle Database Server\u662f\u4e00\u4e2a\u5bf9\u8c61\u4e00\u5173\u7cfb\u6570\u636e\u5e93\u7ba1\u7406\u7cfb\u7edf\uff0c\u63d0\u4f9b\u5f00\u653e\u7684\u3001\u5168\u9762\u7684\u3001\u96c6\u6210\u7684\u4fe1\u606f\u7ba1\u7406\u65b9\u6cd5\u3002\n\nOracle Database Server\u5b58\u5728\u672a\u660e\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u8bfb\u53d6\u8bbf\u95eeCore RDBMS\u672a\u6388\u6743\u6570\u636e\uff0c\u5f71\u54cd\u673a\u5bc6\u6027\u3002",
  "formalWay": "\u5382\u5546\u5df2\u53d1\u5e03\u4e86\u6f0f\u6d1e\u4fee\u590d\u7a0b\u5e8f\uff0c\u8bf7\u53ca\u65f6\u5173\u6ce8\u66f4\u65b0\uff1a\r\nhttps://www.oracle.com/security-alerts/cpujan2020.html",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2020-02555",
  "openTime": "2020-01-16",
  "patchDescription": "Oracle Database Server\u662f\u4e00\u4e2a\u5bf9\u8c61\u4e00\u5173\u7cfb\u6570\u636e\u5e93\u7ba1\u7406\u7cfb\u7edf\uff0c\u63d0\u4f9b\u5f00\u653e\u7684\u3001\u5168\u9762\u7684\u3001\u96c6\u6210\u7684\u4fe1\u606f\u7ba1\u7406\u65b9\u6cd5\u3002\r\n\r\nOracle Database Server\u5b58\u5728\u672a\u660e\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u8bfb\u53d6\u8bbf\u95eeCore RDBMS\u672a\u6388\u6743\u6570\u636e\uff0c\u5f71\u54cd\u673a\u5bc6\u6027\u3002\u76ee\u524d\uff0c\u4f9b\u5e94\u5546\u53d1\u5e03\u4e86\u5b89\u5168\u516c\u544a\u53ca\u76f8\u5173\u8865\u4e01\u4fe1\u606f\uff0c\u4fee\u590d\u4e86\u6b64\u6f0f\u6d1e\u3002",
  "patchName": "Oracle Database Server\u5b58\u5728\u672a\u660e\u6f0f\u6d1e\uff08CNVD-2020-02555\uff09\u7684\u8865\u4e01",
  "products": {
    "product": [
      "Oracle Oracle Database Server 12.1.0.2",
      "Oracle Oracle Database Server 12.2.0.1",
      "Oracle Oracle Database Server 18c",
      "Oracle Oracle Database Server 19c"
    ]
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2020-2527",
  "serverity": "\u4e2d",
  "submitTime": "2020-01-15",
  "title": "Oracle Database Server\u5b58\u5728\u672a\u660e\u6f0f\u6d1e\uff08CNVD-2020-02555\uff09"
}

CVE-2020-2527 (GCVE-0-2020-2527)

Vulnerability from cvelistv5 – Published: 2020-01-15 16:33 – Updated: 2024-09-30 17:29

Summary

Vulnerability in the Core RDBMS component of Oracle Database Server. Supported versions that are affected are 12.1.0.2, 12.2.0.1, 18c and 19c. Easily exploitable vulnerability allows high privileged attacker having Create Index, Create Table privilege with network access via OracleNet to compromise Core RDBMS. While the vulnerability is in Core RDBMS, attacks may significantly impact additional products. Successful attacks of this vulnerability can result in unauthorized read access to a subset of Core RDBMS accessible data. CVSS 3.0 Base Score 4.1 (Confidentiality impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:N/A:N).

Severity

4.1 (Medium)


                        
                          CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:N/A:N

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2024-09-30 17:17 UTC

CWE

Easily exploitable vulnerability allows high privileged attacker having Create Index, Create Table privilege with network access via OracleNet to compromise Core RDBMS. While the vulnerability is in Core RDBMS, attacks may significantly impact additional products. Successful attacks of this vulnerability can result in unauthorized read access to a subset of Core RDBMS accessible data.

Assigner

oracle CNA under the mitre root

CNA scorecard C 69/100 over 3007 records in the last 180 days details

References

1 reference

URL	Tags
https://www.oracle.com/security-alerts/cpujan2020.html	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
Oracle Corporation	Oracle Database	Affected: 12.1.0.2 Affected: 12.2.0.1 Affected: 18c Affected: 19c

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T07:09:54.349Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://www.oracle.com/security-alerts/cpujan2020.html"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2020-2527",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-09-30T17:17:50.029496Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2024-09-30T17:29:08.655Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "Oracle Database",
          "vendor": "Oracle Corporation",
          "versions": [
            {
              "status": "affected",
              "version": "12.1.0.2"
            },
            {
              "status": "affected",
              "version": "12.2.0.1"
            },
            {
              "status": "affected",
              "version": "18c"
            },
            {
              "status": "affected",
              "version": "19c"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Vulnerability in the Core RDBMS component of Oracle Database Server. Supported versions that are affected are 12.1.0.2, 12.2.0.1, 18c and 19c. Easily exploitable vulnerability allows high privileged attacker having Create Index, Create Table privilege with network access via OracleNet to compromise Core RDBMS. While the vulnerability is in Core RDBMS, attacks may significantly impact additional products. Successful attacks of this vulnerability can result in unauthorized read access to a subset of Core RDBMS accessible data. CVSS 3.0 Base Score 4.1 (Confidentiality impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:N/A:N)."
        }
      ],
      "metrics": [
        {
          "cvssV3_0": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 4.1,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "LOW",
            "integrityImpact": "NONE",
            "privilegesRequired": "HIGH",
            "scope": "CHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:N/A:N",
            "version": "3.0"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "Easily exploitable vulnerability allows high privileged attacker having Create Index, Create Table privilege with network access via OracleNet to compromise Core RDBMS.  While the vulnerability is in Core RDBMS, attacks may significantly impact additional products.  Successful attacks of this vulnerability can result in  unauthorized read access to a subset of Core RDBMS accessible data.",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2020-01-15T16:33:59.000Z",
        "orgId": "43595867-4340-4103-b7a2-9a5208d29a85",
        "shortName": "oracle"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://www.oracle.com/security-alerts/cpujan2020.html"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "secalert_us@oracle.com",
          "ID": "CVE-2020-2527",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "Oracle Database",
                      "version": {
                        "version_data": [
                          {
                            "version_affected": "=",
                            "version_value": "12.1.0.2"
                          },
                          {
                            "version_affected": "=",
                            "version_value": "12.2.0.1"
                          },
                          {
                            "version_affected": "=",
                            "version_value": "18c"
                          },
                          {
                            "version_affected": "=",
                            "version_value": "19c"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "Oracle Corporation"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "Vulnerability in the Core RDBMS component of Oracle Database Server. Supported versions that are affected are 12.1.0.2, 12.2.0.1, 18c and 19c. Easily exploitable vulnerability allows high privileged attacker having Create Index, Create Table privilege with network access via OracleNet to compromise Core RDBMS. While the vulnerability is in Core RDBMS, attacks may significantly impact additional products. Successful attacks of this vulnerability can result in unauthorized read access to a subset of Core RDBMS accessible data. CVSS 3.0 Base Score 4.1 (Confidentiality impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:N/A:N)."
            }
          ]
        },
        "impact": {
          "cvss": {
            "baseScore": "4.1",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:N/A:N",
            "version": "3.0"
          }
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "Easily exploitable vulnerability allows high privileged attacker having Create Index, Create Table privilege with network access via OracleNet to compromise Core RDBMS.  While the vulnerability is in Core RDBMS, attacks may significantly impact additional products.  Successful attacks of this vulnerability can result in  unauthorized read access to a subset of Core RDBMS accessible data."
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://www.oracle.com/security-alerts/cpujan2020.html",
              "refsource": "MISC",
              "url": "https://www.oracle.com/security-alerts/cpujan2020.html"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "43595867-4340-4103-b7a2-9a5208d29a85",
    "assignerShortName": "oracle",
    "cveId": "CVE-2020-2527",
    "datePublished": "2020-01-15T16:33:59.000Z",
    "dateReserved": "2019-12-10T00:00:00.000Z",
    "dateUpdated": "2024-09-30T17:29:08.655Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Vulnerability timeline

Sightings and recorded dates, grouped by day · UTC

Order JSON

Publication & reservation Sightings KEV catalogs Other timestamps

Loading timeline…

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

Action not permitted