CVE-2020-36229

Description

A flaw was discovered in ldap_X509dn2bv in OpenLDAP before 2.4.57 leading to a slapd crash in the X.509 DN parsing in ad_keystring, resulting in denial of service.

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 1.98% Top 20%
Vendor Advisory debian.org Vendor Advisory openldap.org Vendor Advisory openldap.org Vendor Advisory openldap.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://git.openldap.org/openldap/openldap/-/tags/OPENLDAP_REL_ENG_2_4_57 release notes vendor advisory
https://bugs.openldap.org/show_bug.cgi?id=9425 issue tracking vendor advisory
https://git.openldap.org/openldap/openldap/-/commit/4bdfffd2889c0c5cdf58bebafbdc8fce4bb2bff0 patch vendor advisory
https://lists.debian.org/debian-lts-announce/2021/02/msg00005.html third party advisory mailing list
https://www.debian.org/security/2021/dsa-4845 third party advisory vendor advisory
https://security.netapp.com/advisory/ntap-20210226-0002/ third party advisory
https://support.apple.com/kb/HT212529 third party advisory
https://support.apple.com/kb/HT212531 third party advisory
https://support.apple.com/kb/HT212530 third party advisory
http://seclists.org/fulldisclosure/2021/May/70 third party advisory mailing list
http://seclists.org/fulldisclosure/2021/May/64 third party advisory mailing list
http://seclists.org/fulldisclosure/2021/May/65 third party advisory mailing list
https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4%40%3Cissues.bookkeeper.apache.org%3E mailing list
https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b%40%3Cissues.bookkeeper.apache.org%3E mailing list

Frequently Asked Questions

What is the severity of CVE-2020-36229?
CVE-2020-36229 has been scored as a high severity vulnerability.
How to fix CVE-2020-36229?
To fix CVE-2020-36229, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2020-36229 being actively exploited in the wild?
It is possible that CVE-2020-36229 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~2% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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