CVE-2020-14392

Severity: medium (CVSS 5.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.6% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2020-09-16 · updated 2026-06-17
Weakness: CWE-822

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.

Affected products

Canonical Ubuntu Linux: 12.04, 14.04, 16.04, 18.04
Debian Linux: 9.0
Fedoraproject Fedora: 31
openSUSE Leap: 15.1, 15.2
perl Database Interface: before 1.643 — fixed in 1.643

How to fix

Upgrade to a fixed version: perl Database Interface 1.643. Check the vendor advisory for mitigations.

References

http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00067.html
http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00074.html
https://bugzilla.redhat.com/show_bug.cgi?id=1877402
https://lists.debian.org/debian-lts-announce/2020/09/msg00026.html
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JXLKODJ7B57GITDEZZXNSHPK4VBYXYHR/
https://metacpan.org/pod/distribution/DBI/Changes#Changes-in-DBI-1.643
https://usn.ubuntu.com/4503-1/
http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00067.html
http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00074.html
https://bugzilla.redhat.com/show_bug.cgi?id=1877402
https://lists.debian.org/debian-lts-announce/2020/09/msg00026.html
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JXLKODJ7B57GITDEZZXNSHPK4VBYXYHR/

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