Vulnerability-Lookup

CNVD-2020-22020

Vulnerability from cnvd - Published: 2020-04-09

Title

Avast Antivirus存在未明漏洞

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TaskEx库的aswTask RPC端点存在安全漏洞。攻击者可借助特制请求利用该漏洞绕过安全限制。

Severity

中

Patch Name

Avast Antivirus存在未明漏洞的补丁

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TaskEx库的aswTask RPC端点存在安全漏洞。攻击者可借助特制请求利用该漏洞绕过安全限制。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-2020-10868

Impacted products

Name
Avast Antivirus <20

Show details on source website

JSON

To clipboard

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  "cves": {
    "cve": {
      "cveNumber": "CVE-2020-10868"
    }
  },
  "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\u7684TaskEx\u5e93\u7684aswTask RPC\u7aef\u70b9\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u501f\u52a9\u7279\u5236\u8bf7\u6c42\u5229\u7528\u8be5\u6f0f\u6d1e\u7ed5\u8fc7\u5b89\u5168\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-2020-22020",
  "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\u7684TaskEx\u5e93\u7684aswTask RPC\u7aef\u70b9\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u501f\u52a9\u7279\u5236\u8bf7\u6c42\u5229\u7528\u8be5\u6f0f\u6d1e\u7ed5\u8fc7\u5b89\u5168\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\u7684\u8865\u4e01",
  "products": {
    "product": "Avast Antivirus \u003c20"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2020-10868",
  "serverity": "\u4e2d",
  "submitTime": "2020-04-02",
  "title": "Avast Antivirus\u5b58\u5728\u672a\u660e\u6f0f\u6d1e"
}

CVE-2020-10868 (GCVE-0-2020-10868)

Vulnerability from cvelistv5 – Published: 2020-04-01 17:08 – 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 launch the Repair App RPC call from a Low Integrity process.

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

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            "url": "https://forum.avast.com/index.php?topic=232420.0"
          },
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          },
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            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://github.com/umarfarook882/Avast_Multiple_Vulnerability_Disclosure/blob/master/README.md"
          }
        ],
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        }
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        "dateUpdated": "2020-04-01T17:08:42.000Z",
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      "references": [
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          "url": "https://forum.avast.com/index.php?topic=232423.0"
        },
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          ],
          "url": "https://github.com/umarfarook882/Avast_Multiple_Vulnerability_Disclosure/blob/master/README.md"
        }
      ],
      "x_legacyV4Record": {
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                      "version": {
                        "version_data": [
                          {
                            "version_value": "n/a"
                          }
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  "cveMetadata": {
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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.