Denial of service in Go

1) Input validation error

EUVDB-ID: #VU58824

Risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2021-44716

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

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. A remote attacker can pass specially crafted input to the application and perform a denial of service (DoS) attack.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Go programming language: 1.16 - 1.17.4

CPE2.3

• cpe:2.3:a:google:golang:1.16:*:*:*:*:*:*:*
• cpe:2.3:a:google:golang:1.16.1:*:*:*:*:*:*:*
• cpe:2.3:a:google:golang:1.16.2:*:*:*:*:*:*:*
• cpe:2.3:a:google:golang:1.16.3:*:*:*:*:*:*:*
• cpe:2.3:a:google:golang:1.16.4:*:*:*:*:*:*:*
• cpe:2.3:a:google:golang:1.16.5:*:*:*:*:*:*:*
• cpe:2.3:a:google:golang:1.16.6:*:*:*:*:*:*:*
• cpe:2.3:a:google:golang:1.16.7:*:*:*:*:*:*:*
• cpe:2.3:a:google:golang:1.16.8:*:*:*:*:*:*:*
• cpe:2.3:a:google:golang:1.16.9:*:*:*:*:*:*:*

External links

https://github.com/golang/go/issues/50058

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.