CVE-2020-14392 Null dereference in perl-dbi

What is CVE-2020-14392?

CVE-2020-14392 is a medium-severity vulnerability in Canonical Ubuntu Linux, published on 16 Sep 2020. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

An untrusted pointer dereference flaw was found in Perl-DBI < 1.643. A local attacker who is able to manipulate calls to dbd_db_login6_sv() could cause memory corruption, affecting the service's availability.

Weakness: CWE-119, CWE-822

Which versions are affected by CVE-2020-14392?

It affects 5 products.

Products include Canonical Ubuntu Linux, Debian Debian Linux, Fedoraproject Fedora, Opensuse Leap, Perl Database Interface.

How do I fix CVE-2020-14392?

Upgrade to a fixed version.

Is CVE-2020-14392 being exploited?

There is no known exploitation of CVE-2020-14392 in the wild and no public exploit code.

Other vulnerabilities in Canonical Ubuntu Linux

• CVE-2020-11651 SaltStack Salt Authentication Bypass Exploited Critical 9.8
• CVE-2020-7247 OpenSMTPD Remote Code Execution Exploited Critical 9.8
• CVE-2019-16928 Exim Out-of-bounds Write Exploited Critical 9.8
• CVE-2018-6789 Exim Buffer Overflow Exploited Critical 9.8
• CVE-2015-2590 Oracle Java SE and Java SE Embedded Remote Code Execution Exploited Critical 9.8

All Canonical Ubuntu Linux vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as ALPINE-CVE-2020-14392, DEBIAN-CVE-2020-14392, GHSA-xm43-qc4p-9f7j, UBUNTU-CVE-2020-14392, USN-4503-1.