CVE-2020-28362 Denial of service in n/a

High 7.5 Published Updated

A flaw in the Go standard library allows attackers to cause a denial of service, requiring developers to upgrade their Go runtime.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
Available

What is CVE-2020-28362?

CVE-2020-28362 is a high-severity denial of service vulnerability in Fedoraproject Fedora, published on 18 Nov 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Go before 1.14.12 and 1.15.x before 1.15.4 allows Denial of Service.

Weakness: CWE-295

Which versions are affected by CVE-2020-28362?

2 open source packages ship an affected version, including golang and stdlib. It affects 4 products.

PackageAffectedFixed in
golang BitnamiAll versions1.14.12, 1.15.5
stdlib GoFrom 1.14.0-01.14.12, 1.15.5
Linux distribution packages (1)
kiali Red Hat:service_mesh:2.0::el8All versions0:v1.24.4.redhat2-1.el8

Products include Fedoraproject Fedora, Golang Go, Netapp Cloud Insights Telegraf Agent, Netapp Trident.

How do I fix CVE-2020-28362?

Upgrade golang to a fixed version for your release line: 1.14.12 or 1.15.5.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2020-28362 being exploited?

There is no known exploitation of CVE-2020-28362 in the wild and no public exploit code.

All Fedoraproject Fedora vulnerabilities

Sources

Also known as AZL-79068, AZL-98991, BIT-golang-2020-28362, DEBIAN-CVE-2020-28362, GHSA-gff4-9rfx-4pcw, GO-2021-0069 and 2 more.

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