Vulnerability identifier: #VU51485

Vulnerability risk: Medium

CVSSv3.1:

CVE-ID: CVE-2021-27919

CWE-ID: CWE-20

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Go programming language
Universal components / Libraries / Scripting languages

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.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Go programming language: 1.16.0

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CPE

• cpe:2.3:a:google:golang:1.16.0:*:*:*:*:*:*:*

External links
http://groups.google.com/g/golang-announce/c/MfiLYjG-RAw

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Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?