Vulnerability-Lookup

CNVD-2020-22985

Vulnerability from cnvd - Published: 2020-04-15

Title

Avira Operations Free Antivirus代码注入漏洞

Description

Avira Operations Free Antivirus是Avira Operations公司的一套杀毒软件。 Avira Operations Free Antivirus 15.0.2004.1825之前版本中存在安全漏洞，该漏洞源于自我保护功能没有禁止外部进程进行写入操作。攻击者可利用该漏洞绕过杀毒功能，修改特定位置的文件。

Severity

高

Patch Name

Avira Operations Free Antivirus代码注入漏洞的补丁

Patch Description

Formal description

目前厂商已发布升级补丁以修复漏洞，补丁获取链接： https://support.avira.com/hc/en-us/articles/360000109798-Avira-Antivirus-for-Windows

Impacted products

Name
Avira Operations Free Antivirus <15.0.2004.1825

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2020-8961"
    }
  },
  "description": "Avira Operations Free Antivirus\u662fAvira Operations\u516c\u53f8\u7684\u4e00\u5957\u6740\u6bd2\u8f6f\u4ef6\u3002\n\nAvira Operations Free Antivirus 15.0.2004.1825\u4e4b\u524d\u7248\u672c\u4e2d\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u81ea\u6211\u4fdd\u62a4\u529f\u80fd\u6ca1\u6709\u7981\u6b62\u5916\u90e8\u8fdb\u7a0b\u8fdb\u884c\u5199\u5165\u64cd\u4f5c\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u7ed5\u8fc7\u6740\u6bd2\u529f\u80fd\uff0c\u4fee\u6539\u7279\u5b9a\u4f4d\u7f6e\u7684\u6587\u4ef6\u3002",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u53d1\u5e03\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u6f0f\u6d1e\uff0c\u8865\u4e01\u83b7\u53d6\u94fe\u63a5\uff1a\r\nhttps://support.avira.com/hc/en-us/articles/360000109798-Avira-Antivirus-for-Windows",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2020-22985",
  "openTime": "2020-04-15",
  "patchDescription": "Avira Operations Free Antivirus\u662fAvira Operations\u516c\u53f8\u7684\u4e00\u5957\u6740\u6bd2\u8f6f\u4ef6\u3002\r\n\r\nAvira Operations Free Antivirus 15.0.2004.1825\u4e4b\u524d\u7248\u672c\u4e2d\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u81ea\u6211\u4fdd\u62a4\u529f\u80fd\u6ca1\u6709\u7981\u6b62\u5916\u90e8\u8fdb\u7a0b\u8fdb\u884c\u5199\u5165\u64cd\u4f5c\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u7ed5\u8fc7\u6740\u6bd2\u529f\u80fd\uff0c\u4fee\u6539\u7279\u5b9a\u4f4d\u7f6e\u7684\u6587\u4ef6\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": "Avira Operations Free Antivirus\u4ee3\u7801\u6ce8\u5165\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Avira Operations Free Antivirus \u003c15.0.2004.1825"
  },
  "serverity": "\u9ad8",
  "submitTime": "2020-04-10",
  "title": "Avira Operations Free Antivirus\u4ee3\u7801\u6ce8\u5165\u6f0f\u6d1e"
}

CVE-2020-8961 (GCVE-0-2020-8961)

Vulnerability from cvelistv5 – Published: 2020-04-09 19:54 – Updated: 2024-08-04 10:19

Summary

An issue was discovered in Avira Free-Antivirus before 15.0.2004.1825. The Self-Protection feature does not prohibit a write operation from an external process. Thus, code injection can be used to turn off this feature. After that, one can construct an event that will modify a file at a specific location, and pass this event to the driver, thereby defeating the anti-virus functionality.

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

1 reference

URL	Tags
https://support.avira.com/hc/en-us/articles/36000…	x_refsource_CONFIRM

Date Public

2020-04-08 00:00

Show details on NVD website

JSON

To clipboard

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        "providerMetadata": {
          "dateUpdated": "2024-08-04T10:19:19.418Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
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              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://support.avira.com/hc/en-us/articles/360000109798-Avira-Antivirus-for-Windows"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "datePublic": "2020-04-08T00:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "An issue was discovered in Avira Free-Antivirus before 15.0.2004.1825. The Self-Protection feature does not prohibit a write operation from an external process. Thus, code injection can be used to turn off this feature. After that, one can construct an event that will modify a file at a specific location, and pass this event to the driver, thereby defeating the anti-virus functionality."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
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              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2020-04-09T19:54:59.000Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://support.avira.com/hc/en-us/articles/360000109798-Avira-Antivirus-for-Windows"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "cve@mitre.org",
          "ID": "CVE-2020-8961",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "n/a",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "n/a"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "n/a"
              }
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          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
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            }
          ]
        },
        "problemtype": {
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              "description": [
                {
                  "lang": "eng",
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                }
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        },
        "references": {
          "reference_data": [
            {
              "name": "https://support.avira.com/hc/en-us/articles/360000109798-Avira-Antivirus-for-Windows",
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            }
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        }
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  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
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    "datePublished": "2020-04-09T19:54:59.000Z",
    "dateReserved": "2020-02-12T00:00:00.000Z",
    "dateUpdated": "2024-08-04T10:19:19.418Z",
    "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.

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

CNVD-2020-22985

CVE-2020-8961 (GCVE-0-2020-8961)

Tags

Sightings

Nomenclature

Related by attack behaviour