#VU51485 Input validation error in Go programming language - CVE-2021-27919

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Main Vulnerability Database Vulnerabilities #VU51485

#VU51485 Input validation error in Go programming language - CVE-2021-27919

Published: March 15, 2021


Vulnerability identifier: #VU51485
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2021-27919
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
Go programming language
Software vendor:
Google

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input in the Reader.Open API when use a ZIP archive containing files start with “../”. A remote attacker can trick a victim to open a specially crafted ZIP archive and perform a denial of service (DoS) attack.


Remediation

Install updates from vendor's website.

External links