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CVE-2021-33592

Quick assessment

Affected
NAVER NAVER Toolbar
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

NHN NAVER Toolbar是韩国NHN公司的一个综合性的工具栏，它集成了许多功能，例如视频下载、防病毒、搜索和其他一些实用程序。 NAVER Toolbar 4.0.30.323 之前的版本存在安全漏洞，该漏洞源于文件名参数中的特殊字符可以绕过代码签名检查功能。远程攻击者可以利用该漏洞通过精心制作的 upgrade.xml 文件执行任意代码。

AI Predicted 9.8 Difficulty: Trivial EPSS 2.12% · P81

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2021-33592

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
NAVER Toolbar before 4.0.30.323 allows remote attackers to execute arbitrary code via a crafted upgrade.xml file. Special characters in filename parameter can be the cause of bypassing code signing check function.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
输入验证不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
NHN NAVER Toolbar 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
NHN NAVER Toolbar是韩国NHN公司的一个综合性的工具栏，它集成了许多功能，例如视频下载、防病毒、搜索和其他一些实用程序。 NAVER Toolbar 4.0.30.323 之前的版本存在安全漏洞，该漏洞源于文件名参数中的特殊字符可以绕过代码签名检查功能。远程攻击者可以利用该漏洞通过精心制作的 upgrade.xml 文件执行任意代码。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
NAVER NAVER Toolbar unspecified ~ 4.0.30.323 -

II. Public POCs for CVE-2021-33592

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III. Intelligence Information for CVE-2021-33592

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Other References for CVE-2021-33592 (1)

IV. Related Vulnerabilities

Same vendor: NAVER
Same weakness: CWE-20

V. Comments for CVE-2021-33592

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