Vulnerability-Lookup

CNVD-2020-22019

Vulnerability from cnvd - Published: 2020-04-09

Title

Avast Antivirus存在未明漏洞（CNVD-2020-22019）

Description

Avast Antivirus是捷克爱维士（Avast）公司的一套杀毒软件。 Avast Antivirus 20之前版本中的Avast Service (AvastSvc.exe)中的TaskEx库的aswTask RPC端点存在安全漏洞。攻击者可利用该漏洞绕过对任务的访问限制。

Severity

高

Patch Name

Avast Antivirus存在未明漏洞（CNVD-2020-22019）的补丁

Patch Description

Avast Antivirus是捷克爱维士（Avast）公司的一套杀毒软件。 Avast Antivirus 20之前版本中的Avast Service (AvastSvc.exe)中的TaskEx库的aswTask RPC端点存在安全漏洞。攻击者可利用该漏洞绕过对任务的访问限制。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

目前厂商已发布升级补丁以修复漏洞，补丁获取链接： https://forum.avast.com/index.php?topic=232420.0

Reference

https://nvd.nist.gov/vuln/detail/CVE-2020-10867

Impacted products

Name
Avast Antivirus <20

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2020-10867"
    }
  },
  "description": "Avast Antivirus\u662f\u6377\u514b\u7231\u7ef4\u58eb\uff08Avast\uff09\u516c\u53f8\u7684\u4e00\u5957\u6740\u6bd2\u8f6f\u4ef6\u3002\n\nAvast Antivirus 20\u4e4b\u524d\u7248\u672c\u4e2d\u7684Avast Service (AvastSvc.exe)\u4e2d\u7684TaskEx\u5e93\u7684aswTask RPC\u7aef\u70b9\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u7ed5\u8fc7\u5bf9\u4efb\u52a1\u7684\u8bbf\u95ee\u9650\u5236\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://forum.avast.com/index.php?topic=232420.0",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2020-22019",
  "openTime": "2020-04-09",
  "patchDescription": "Avast Antivirus\u662f\u6377\u514b\u7231\u7ef4\u58eb\uff08Avast\uff09\u516c\u53f8\u7684\u4e00\u5957\u6740\u6bd2\u8f6f\u4ef6\u3002\r\n\r\nAvast Antivirus 20\u4e4b\u524d\u7248\u672c\u4e2d\u7684Avast Service (AvastSvc.exe)\u4e2d\u7684TaskEx\u5e93\u7684aswTask RPC\u7aef\u70b9\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u7ed5\u8fc7\u5bf9\u4efb\u52a1\u7684\u8bbf\u95ee\u9650\u5236\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": "Avast Antivirus\u5b58\u5728\u672a\u660e\u6f0f\u6d1e\uff08CNVD-2020-22019\uff09\u7684\u8865\u4e01",
  "products": {
    "product": "Avast Antivirus \u003c20"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2020-10867",
  "serverity": "\u9ad8",
  "submitTime": "2020-04-02",
  "title": "Avast Antivirus\u5b58\u5728\u672a\u660e\u6f0f\u6d1e\uff08CNVD-2020-22019\uff09"
}

CVE-2020-10867 (GCVE-0-2020-10867)

Vulnerability from cvelistv5 – Published: 2020-04-01 17:06 – Updated: 2024-08-04 11:14

Summary

An issue was discovered in Avast Antivirus before 20. The aswTask RPC endpoint for the TaskEx library in the Avast Service (AvastSvc.exe) allows attackers to bypass intended access restrictions on tasks from an untrusted process, when Self Defense is enabled.

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

3 references

URL	Tags
https://forum.avast.com/index.php?topic=232420.0	x_refsource_MISC
https://forum.avast.com/index.php?topic=232423.0	x_refsource_MISC
https://github.com/umarfarook882/Avast_Multiple_V…	x_refsource_MISC

Show details on NVD website

JSON

To clipboard

{
  "containers": {
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          "dateUpdated": "2024-08-04T11:14:15.616Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
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              "x_transferred"
            ],
            "url": "https://forum.avast.com/index.php?topic=232420.0"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://forum.avast.com/index.php?topic=232423.0"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://github.com/umarfarook882/Avast_Multiple_Vulnerability_Disclosure/blob/master/README.md"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
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        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
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      ],
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      ],
      "problemTypes": [
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      "providerMetadata": {
        "dateUpdated": "2020-04-01T17:06:48.000Z",
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      },
      "references": [
        {
          "tags": [
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          ],
          "url": "https://forum.avast.com/index.php?topic=232420.0"
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          "tags": [
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          ],
          "url": "https://forum.avast.com/index.php?topic=232423.0"
        },
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          "tags": [
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          ],
          "url": "https://github.com/umarfarook882/Avast_Multiple_Vulnerability_Disclosure/blob/master/README.md"
        }
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          "ID": "CVE-2020-10867",
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                "product": {
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                      "version": {
                        "version_data": [
                          {
                            "version_value": "n/a"
                          }
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                "vendor_name": "n/a"
              }
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        "data_version": "4.0",
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  "cveMetadata": {
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    "dateReserved": "2020-03-23T00:00:00.000Z",
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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.

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CNVD-2020-22019

CVE-2020-10867 (GCVE-0-2020-10867)

Tags

Sightings

Nomenclature

Related by attack behaviour