Vulnerability-Lookup

CNVD-2020-50534

Vulnerability from cnvd - Published: 2020-09-05

Title

openSIS远程代码执行漏洞（CNVD-2020-50534）

Description

openSIS是一款免费、开源的学生信息系统/学校管理软件。 openSIS 7.4中的安装功能存在远程代码执行漏洞。攻击者可通过发送HTTP请求通过在install/Step5.php中的第121行设置的用户名变量利用该漏洞将PHP代码注入Data.php文件，从而可实现远程代码执行。

Severity

高

Patch Name

openSIS远程代码执行漏洞（CNVD-2020-50534）的补丁

Patch Description

openSIS是一款免费、开源的学生信息系统/学校管理软件。 openSIS 7.4中的安装功能存在远程代码执行漏洞。攻击者可通过发送HTTP请求通过在install/Step5.php中的第121行设置的用户名变量利用该漏洞将PHP代码注入Data.php文件，从而可实现远程代码执行。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://opensis.com/

Reference

https://nvd.nist.gov/vuln/detail/CVE-2020-6144

Impacted products

Name
OS4Ed openSIS 7.4

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2020-6144",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2020-6144"
    }
  },
  "description": "openSIS\u662f\u4e00\u6b3e\u514d\u8d39\u3001\u5f00\u6e90\u7684\u5b66\u751f\u4fe1\u606f\u7cfb\u7edf/\u5b66\u6821\u7ba1\u7406\u8f6f\u4ef6\u3002\n\nopenSIS 7.4\u4e2d\u7684\u5b89\u88c5\u529f\u80fd\u5b58\u5728\u8fdc\u7a0b\u4ee3\u7801\u6267\u884c\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u53d1\u9001HTTP\u8bf7\u6c42\u901a\u8fc7\u5728install/Step5.php\u4e2d\u7684\u7b2c121\u884c\u8bbe\u7f6e\u7684\u7528\u6237\u540d\u53d8\u91cf\u5229\u7528\u8be5\u6f0f\u6d1e\u5c06PHP\u4ee3\u7801\u6ce8\u5165Data.php\u6587\u4ef6\uff0c\u4ece\u800c\u53ef\u5b9e\u73b0\u8fdc\u7a0b\u4ee3\u7801\u6267\u884c\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://opensis.com/",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2020-50534",
  "openTime": "2020-09-05",
  "patchDescription": "openSIS\u662f\u4e00\u6b3e\u514d\u8d39\u3001\u5f00\u6e90\u7684\u5b66\u751f\u4fe1\u606f\u7cfb\u7edf/\u5b66\u6821\u7ba1\u7406\u8f6f\u4ef6\u3002\r\n\r\nopenSIS 7.4\u4e2d\u7684\u5b89\u88c5\u529f\u80fd\u5b58\u5728\u8fdc\u7a0b\u4ee3\u7801\u6267\u884c\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u53d1\u9001HTTP\u8bf7\u6c42\u901a\u8fc7\u5728install/Step5.php\u4e2d\u7684\u7b2c121\u884c\u8bbe\u7f6e\u7684\u7528\u6237\u540d\u53d8\u91cf\u5229\u7528\u8be5\u6f0f\u6d1e\u5c06PHP\u4ee3\u7801\u6ce8\u5165Data.php\u6587\u4ef6\uff0c\u4ece\u800c\u53ef\u5b9e\u73b0\u8fdc\u7a0b\u4ee3\u7801\u6267\u884c\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": "openSIS\u8fdc\u7a0b\u4ee3\u7801\u6267\u884c\u6f0f\u6d1e\uff08CNVD-2020-50534\uff09\u7684\u8865\u4e01",
  "products": {
    "product": "OS4Ed openSIS 7.4"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2020-6144",
  "serverity": "\u9ad8",
  "submitTime": "2020-09-02",
  "title": "openSIS\u8fdc\u7a0b\u4ee3\u7801\u6267\u884c\u6f0f\u6d1e\uff08CNVD-2020-50534\uff09"
}

CVE-2020-6144 (GCVE-0-2020-6144)

Vulnerability from cvelistv5 – Published: 2020-09-01 20:15 – Updated: 2024-08-04 08:55

Summary

A remote code execution vulnerability exists in the install functionality of OS4Ed openSIS 7.4. The username variable which is set at line 121 in install/Step5.php allows for injection of PHP code into the Data.php file that it writes. An attacker can send an HTTP request to trigger this vulnerability.

Severity

10 (Critical)


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

CWE

CWE-96 - Improper Neutralization of Directives in Statically Saved Code ('Static Code Injection')

Assigner

talos mitre root

References

1 reference

URL	Tags
https://talosintelligence.com/vulnerability_repor…	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
n/a	OS4Ed	Affected: OS4Ed openSIS 7.4

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T08:55:21.430Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://talosintelligence.com/vulnerability_reports/TALOS-2020-1083"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
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        {
          "product": "OS4Ed",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "OS4Ed openSIS 7.4"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A remote code execution vulnerability exists in the install functionality of OS4Ed openSIS 7.4. The username variable which is set at line 121 in install/Step5.php allows for injection of PHP code into the Data.php file that it writes. An attacker can send an HTTP request to trigger this vulnerability."
        }
      ],
      "metrics": [
        {
          "cvssV3_0": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 10,
            "baseSeverity": "CRITICAL",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "CHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H",
            "version": "3.0"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-96",
              "description": "CWE-96: Improper Neutralization of Directives in Statically Saved Code (\u0027Static Code Injection\u0027)",
              "lang": "en",
              "type": "CWE"
            }
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      ],
      "providerMetadata": {
        "dateUpdated": "2020-09-01T20:15:36.000Z",
        "orgId": "b86d76f8-0f8a-4a96-a78d-d8abfc7fc29b",
        "shortName": "talos"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://talosintelligence.com/vulnerability_reports/TALOS-2020-1083"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "talos-cna@cisco.com",
          "ID": "CVE-2020-6144",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "OS4Ed",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "OS4Ed openSIS 7.4"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "n/a"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
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              "value": "A remote code execution vulnerability exists in the install functionality of OS4Ed openSIS 7.4. The username variable which is set at line 121 in install/Step5.php allows for injection of PHP code into the Data.php file that it writes. An attacker can send an HTTP request to trigger this vulnerability."
            }
          ]
        },
        "impact": {
          "cvss": {
            "baseScore": 10,
            "baseSeverity": null,
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H",
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        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "CWE-96: Improper Neutralization of Directives in Statically Saved Code (\u0027Static Code Injection\u0027)"
                }
              ]
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          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://talosintelligence.com/vulnerability_reports/TALOS-2020-1083",
              "refsource": "MISC",
              "url": "https://talosintelligence.com/vulnerability_reports/TALOS-2020-1083"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "b86d76f8-0f8a-4a96-a78d-d8abfc7fc29b",
    "assignerShortName": "talos",
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    "datePublished": "2020-09-01T20:15:36.000Z",
    "dateReserved": "2020-01-07T00:00:00.000Z",
    "dateUpdated": "2024-08-04T08:55:21.430Z",
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}

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.

Detection rules are retrieved from Rulezet.

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.