#VU51486 Infinite loop in Go programming language


Published: 2021-03-15

Vulnerability identifier: #VU51486

Vulnerability risk: Medium

CVSSv3.1:

CVE-ID: CVE-2021-27918

CWE-ID: CWE-835

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 infinite loop when using xml.NewTokenDecoder with a custom TokenReader. A remote attacker can trick a victim to open a specially crafted XML content and cause denial of service conditions.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Go programming language: 1.15 - 1.15.8, 1.16.0


CPE

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


Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?


Latest bulletins with this vulnerability