CVE-2020-15719

Published: 14 July 2020

libldap in certain third-party OpenLDAP packages has a certificate-validation flaw when the third-party package is asserting RFC6125 support. It considers CN even when there is a non-matching subjectAltName (SAN). This is fixed in, for example, openldap-2.4.46-10.el8 in Red Hat Enterprise Linux.

Priority

Low

CVSS 3 base score: 4.2

Status

Notes

See RH bug for possible regression fixes
per upstream bug, this is an issue with a RH patch to openldap
and doesn't apply to upstream openldap.
Marking as not-affected since Ubuntu does not carry the patch.

References

• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-15719
• https://access.redhat.com/errata/RHBA-2019:3674
• NVD
• Launchpad
• Debian

Bugs

• https://bugs.openldap.org/show_bug.cgi?id=9266
• https://bugzilla.redhat.com/show_bug.cgi?id=1740070
• https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=965184