cnvd - cnvd-2020-35959

cnvd-2020-35959

Vulnerability from cnvd

Title: Bitdefender Antivirus Free后置链接漏洞

Description:

Bitdefender Antivirus Free是罗马尼亚比特梵德（Bitdefender）公司的一套主要提供网络威胁检测和勒索软件防护功能的免费版本杀毒软件。

Bitdefender Antivirus Free 1.0.17.178之前版本中存在后置链接漏洞，该漏洞源于程序未能正确处理符号链接。攻击者可利用该漏洞替换隔离文件，并将其恢复到需要较高权限的位置。

Severity: 低

Patch Name: Bitdefender Antivirus Free后置链接漏洞的补丁

Patch Description:

Bitdefender Antivirus Free是罗马尼亚比特梵德（Bitdefender）公司的一套主要提供网络威胁检测和勒索软件防护功能的免费版本杀毒软件。

Bitdefender Antivirus Free 1.0.17.178之前版本中存在后置链接漏洞，该漏洞源于程序未能正确处理符号链接。攻击者可利用该漏洞替换隔离文件，并将其恢复到需要较高权限的位置。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://www.bitdefender.com/support/security-advisories/link-resolution-privilege-escalation-vulnerability-bitdefender-antivirus-free-va-8604/

Reference: https://nvd.nist.gov/vuln/detail/CVE-2020-8103

Impacted products

Name
Bitdefender Bitdefender Antivirus Free <1.0.17.178

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2020-8103"
    }
  },
  "description": "Bitdefender Antivirus Free\u662f\u7f57\u9a6c\u5c3c\u4e9a\u6bd4\u7279\u68b5\u5fb7\uff08Bitdefender\uff09\u516c\u53f8\u7684\u4e00\u5957\u4e3b\u8981\u63d0\u4f9b\u7f51\u7edc\u5a01\u80c1\u68c0\u6d4b\u548c\u52d2\u7d22\u8f6f\u4ef6\u9632\u62a4\u529f\u80fd\u7684\u514d\u8d39\u7248\u672c\u6740\u6bd2\u8f6f\u4ef6\u3002\n\nBitdefender Antivirus Free 1.0.17.178\u4e4b\u524d\u7248\u672c\u4e2d\u5b58\u5728\u540e\u7f6e\u94fe\u63a5\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7a0b\u5e8f\u672a\u80fd\u6b63\u786e\u5904\u7406\u7b26\u53f7\u94fe\u63a5\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u66ff\u6362\u9694\u79bb\u6587\u4ef6\uff0c\u5e76\u5c06\u5176\u6062\u590d\u5230\u9700\u8981\u8f83\u9ad8\u6743\u9650\u7684\u4f4d\u7f6e\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://www.bitdefender.com/support/security-advisories/link-resolution-privilege-escalation-vulnerability-bitdefender-antivirus-free-va-8604/",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2020-35959",
  "openTime": "2020-07-02",
  "patchDescription": "Bitdefender Antivirus Free\u662f\u7f57\u9a6c\u5c3c\u4e9a\u6bd4\u7279\u68b5\u5fb7\uff08Bitdefender\uff09\u516c\u53f8\u7684\u4e00\u5957\u4e3b\u8981\u63d0\u4f9b\u7f51\u7edc\u5a01\u80c1\u68c0\u6d4b\u548c\u52d2\u7d22\u8f6f\u4ef6\u9632\u62a4\u529f\u80fd\u7684\u514d\u8d39\u7248\u672c\u6740\u6bd2\u8f6f\u4ef6\u3002\r\n\r\nBitdefender Antivirus Free 1.0.17.178\u4e4b\u524d\u7248\u672c\u4e2d\u5b58\u5728\u540e\u7f6e\u94fe\u63a5\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7a0b\u5e8f\u672a\u80fd\u6b63\u786e\u5904\u7406\u7b26\u53f7\u94fe\u63a5\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u66ff\u6362\u9694\u79bb\u6587\u4ef6\uff0c\u5e76\u5c06\u5176\u6062\u590d\u5230\u9700\u8981\u8f83\u9ad8\u6743\u9650\u7684\u4f4d\u7f6e\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": "Bitdefender Antivirus Free\u540e\u7f6e\u94fe\u63a5\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Bitdefender Bitdefender Antivirus Free \u003c1.0.17.178"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2020-8103",
  "serverity": "\u4f4e",
  "submitTime": "2020-06-08",
  "title": "Bitdefender Antivirus Free\u540e\u7f6e\u94fe\u63a5\u6f0f\u6d1e"
}

CVE-2020-8103 (GCVE-0-2020-8103)

Vulnerability from cvelistv5

Published

2020-06-05 11:10

Modified

2024-09-16 23:36

Severity ?

7.2 (High) - CVSS:3.1/AV:P/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H

CWE

CWE-59 - Improper Link Resolution Before File Access ('Link Following')

Summary

A vulnerability in the improper handling of symbolic links in Bitdefender Antivirus Free can allow an unprivileged user to substitute a quarantined file, and restore it to a privileged location. This issue affects Bitdefender Antivirus Free versions prior to 1.0.17.178.

References

▼	URL	Tags
	https://www.bitdefender.com/support/security-advisories/link-resolution-privilege-escalation-vulnerability-bitdefender-antivirus-free-va-8604/	x_refsource_MISC

Impacted products

	Vendor	Product	Version
	Bitdefender	Bitdefender Antivirus Free	Version: unspecified < 1.0.17.178

Show details on NVD website

JSON

To clipboard

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          "dateUpdated": "2024-08-04T09:48:25.527Z",
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              "x_transferred"
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            "url": "https://www.bitdefender.com/support/security-advisories/link-resolution-privilege-escalation-vulnerability-bitdefender-antivirus-free-va-8604/"
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    ],
    "cna": {
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Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
Confirmed: The vulnerability is confirmed from an analyst perspective.
Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
Patched: This vulnerability was successfully patched by the user reporting the sighting.
Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
Not confirmed: The user expresses doubt about the veracity of the vulnerability.
Not patched: This vulnerability was not successfully patched by the user reporting the sighting.

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