Vulnerability-Lookup

CNVD-2016-01186

Vulnerability from cnvd - Published: 2016-02-24

Title

Avast Virtualization aswSnx.sys缓冲区溢出漏洞

Description

aswSnx.sys处理所有Avast Windows产品的‘Sandbox’及‘DeepScreen’功能。 Avast Virtualization驱动程序 (aswSnx.sys) v11.1.2245及之前版本存在缓冲区溢出漏洞。成功利用后可使本地攻击者以system权限执行任意代码，完全控制受影响主机。

Severity

中

Patch Name

Avast Virtualization aswSnx.sys缓冲区溢出漏洞的补丁

Patch Description

Formal description

目前厂商已经发布了升级补丁以修复这个安全问题，请到厂商的主页下载： https://www.avast.com/internet-security

Reference

https://www.nettitude.co.uk/exploiting-a-kernel-paged-pool-buffer-overflow-in-avast-virtualization-driver/?platform=hootsuite

Impacted products

Name
['Avast Avast Internet Security v11.1.2245', 'Avast Avast Pro Antivirus v11.1.2245', 'Avast Avast Premier v11.1.2245', 'Avast Avast Free Antivirus v11.1.2245']

Show details on source website

JSON

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{
  "bids": {
    "bid": {
      "bidNumber": "83348"
    }
  },
  "cves": {
    "cve": {
      "cveNumber": "CVE-2015-8620"
    }
  },
  "description": "aswSnx.sys\u5904\u7406\u6240\u6709Avast Windows\u4ea7\u54c1\u7684\u2018Sandbox\u2019\u53ca\u2018DeepScreen\u2019\u529f\u80fd\u3002\r\n\r\nAvast Virtualization\u9a71\u52a8\u7a0b\u5e8f (aswSnx.sys) v11.1.2245\u53ca\u4e4b\u524d\u7248\u672c\u5b58\u5728\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\u3002\u6210\u529f\u5229\u7528\u540e\u53ef\u4f7f\u672c\u5730\u653b\u51fb\u8005\u4ee5system\u6743\u9650\u6267\u884c\u4efb\u610f\u4ee3\u7801\uff0c\u5b8c\u5168\u63a7\u5236\u53d7\u5f71\u54cd\u4e3b\u673a\u3002",
  "discovererName": "unknown",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u7ecf\u53d1\u5e03\u4e86\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u8fd9\u4e2a\u5b89\u5168\u95ee\u9898\uff0c\u8bf7\u5230\u5382\u5546\u7684\u4e3b\u9875\u4e0b\u8f7d\uff1a\r\nhttps://www.avast.com/internet-security",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2016-01186",
  "openTime": "2016-02-24",
  "patchDescription": "aswSnx.sys\u5904\u7406\u6240\u6709Avast Windows\u4ea7\u54c1\u7684\u2018Sandbox\u2019\u53ca\u2018DeepScreen\u2019\u529f\u80fd\u3002\r\n\r\nAvast Virtualization\u9a71\u52a8\u7a0b\u5e8f (aswSnx.sys) v11.1.2245\u53ca\u4e4b\u524d\u7248\u672c\u5b58\u5728\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\u3002\u6210\u529f\u5229\u7528\u540e\u53ef\u4f7f\u672c\u5730\u653b\u51fb\u8005\u4ee5system\u6743\u9650\u6267\u884c\u4efb\u610f\u4ee3\u7801\uff0c\u5b8c\u5168\u63a7\u5236\u53d7\u5f71\u54cd\u4e3b\u673a\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 Virtualization aswSnx.sys\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": [
      "Avast Avast Internet Security v11.1.2245",
      "Avast Avast Pro Antivirus v11.1.2245",
      "Avast Avast Premier v11.1.2245",
      "Avast Avast Free Antivirus v11.1.2245"
    ]
  },
  "referenceLink": "https://www.nettitude.co.uk/exploiting-a-kernel-paged-pool-buffer-overflow-in-avast-virtualization-driver/?platform=hootsuite",
  "serverity": "\u4e2d",
  "submitTime": "2016-02-22",
  "title": "Avast Virtualization aswSnx.sys\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e"
}

CVE-2015-8620 (GCVE-0-2015-8620)

Vulnerability from cvelistv5 – Published: 2016-04-13 14:00 – Updated: 2024-08-06 08:20

Summary

Heap-based buffer overflow in the Avast virtualization driver (aswSnx.sys) in Avast Internet Security, Pro Antivirus, Premier, and Free Antivirus before 11.1.2253 allows local users to gain privileges via a Unicode file path in an IOCTL request.

Severity

No CVSS data available.

CWE

Assigner

mitre

References

4 references

URL	Tags
http://packetstormsecurity.com/files/135859/Avast…	x_refsource_MISC
http://seclists.org/fulldisclosure/2016/Feb/94	mailing-listx_refsource_FULLDISC
https://www.nettitude.co.uk/exploiting-a-kernel-p…	x_refsource_MISC
http://www.securitytracker.com/id/1035093	vdb-entryx_refsource_SECTRACK

Date Public

2016-02-17 00:00

Show details on NVD website

JSON

To clipboard

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            "url": "http://packetstormsecurity.com/files/135859/Avast-11.1.2245-Heap-Overflow.html"
          },
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            "name": "20160222 Avast Virtualization Driver - Elevation Of Privileges",
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            "url": "http://seclists.org/fulldisclosure/2016/Feb/94"
          },
          {
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            ],
            "url": "https://www.nettitude.co.uk/exploiting-a-kernel-paged-pool-buffer-overflow-in-avast-virtualization-driver/"
          },
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              "vdb-entry",
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        ],
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      "providerMetadata": {
        "dateUpdated": "2016-04-13T13:57:01.000Z",
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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.

Action not permitted

CNVD-2016-01186

CVE-2015-8620 (GCVE-0-2015-8620)

Tags

Sightings

Nomenclature