Vulnerability CVE-2020-36229
Published: 2021-01-26

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.

Type:

CWE-843

 (Access of Resource Using Incompatible Type ('Type Confusion'))

CVSS2 => (AV:N/AC:L/Au:N/C:N/I:N/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
5/10
2.9/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
None
None
Partial
Affected software
Openldap -> Openldap 

 References:
https://bugs.openldap.org/show_bug.cgi?id=9425
https://git.openldap.org/openldap/openldap/-/commit/4bdfffd2889c0c5cdf58bebafbdc8fce4bb2bff0
https://git.openldap.org/openldap/openldap/-/tags/OPENLDAP_REL_ENG_2_4_57
https://lists.debian.org/debian-lts-announce/2021/02/msg00005.html
https://www.debian.org/security/2021/dsa-4845
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