Improper Certificate Validation The advisory has been revoked - it doesn't affect any version of package openldap (opens in a new tab)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-UBUNTU1204-OPENLDAP-611050
- published10 Sept 2020
- disclosed14 Jul 2020
Introduced: 14 Jul 2020
CVE-2020-15719 (opens in a new tab)Amendment
The Ubuntu security team deemed this advisory irrelevant for Ubuntu:12.04.
NVD Description
Note: Versions mentioned in the description apply only to the upstream openldap package and not the openldap package as distributed by Ubuntu.
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.
References
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2020-15719
- https://access.redhat.com/errata/RHBA-2019:3674
- https://bugs.openldap.org/show_bug.cgi?id=9266
- https://bugzilla.redhat.com/show_bug.cgi?id=1740070
- http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00033.html
- http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00059.html
- https://kc.mcafee.com/corporate/index?page=content&id=SB10365
- https://www.oracle.com/security-alerts/cpuapr2022.html