Remote Code Execution Flaw in NAVER Toolbar
CVE-2021-33592

9.8CRITICAL

Key Information:

Vendor

Naver

Status
Naver Toolbar
Vendor
CVE Published:
19 July 2021

What is CVE-2021-33592?

The NAVER Toolbar versions prior to 4.0.30.323 contain a vulnerability that enables remote attackers to execute arbitrary code. This is achieved by supplying a specially crafted 'upgrade.xml' file that exploits a weakness in how the product handles certain characters in the filename parameter. By circumventing the code signing verification process, attackers can gain unauthorized access and control over affected systems.

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Affected Version(s)

NAVER Toolbar <= 4.0.30.323

References

https://cve.naver.com/detail/cve-2021-33592
x_refsource_CONFIRM

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

powerprove(null2root)
JSON
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