CVE-2020-16156 Security feature bypass in n/a

High 7.8 Published Updated

Attackers can bypass signature verification in CPAN, allowing the installation of unverified or malicious modules.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Local or same network only
Victim action needed
A user has to click or open something
Fix
Available

What is CVE-2020-16156?

CVE-2020-16156 is a high-severity vulnerability in Fedoraproject Fedora, published on 13 Dec 2021. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

CPAN 2.28 allows Signature Verification Bypass.

Weakness: CWE-347

Which versions are affected by CVE-2020-16156?

It affects 2 products.

Linux distribution packages (3)
perl-CPAN AlmaLinux:8All versions2.18-402.el8_10
perl-CPAN Red Hat:enterprise_linux:8::appstreamAll versions0:2.18-402.el8_10
perl-CPAN Rocky Linux:8All versions0:2.18-402.el8_10

Products include Fedoraproject Fedora, Perl Comprehensive Perl Archive Network.

How do I fix CVE-2020-16156?

Upgrade to a fixed version.

Is CVE-2020-16156 being exploited?

There is no known exploitation of CVE-2020-16156 in the wild and no public exploit code.

All Fedoraproject Fedora vulnerabilities

Sources

Also known as ALSA-2025:8432, CLSA-2022-1668032518, CLSA-2022-1668118081, CLSA-2022-1668120434, CLSA-2022-1668122645, CLSA-2022-1668467714 and 9 more.

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