CVE-2020-25710High· 7.5▾ TwilightA flaw was found in OpenLDAP in versions before 2.4.56. This flaw allows an attacker who sends a malicious packet processed by OpenLDAP to force a failed assertion in csnNormalize23(). The highest threat from this vulnerability is to sys…
▾ Twilight zone — High severity, or a signal on a lesser flaw
impact 41.3 · likelihood 0.5 · exploitation 0
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Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via NVD
Last analysed / modified upstream
2.7%
A flaw was found in OpenLDAP in versions before 2.4.56. This flaw allows an attacker who sends a malicious packet processed by OpenLDAP to force a failed assertion in csnNormalize23(). The highest threat from this vulnerability is to system availability.
openldap < 2.4.56jboss_core_servicesjboss_enterprise_application_platform = 5.0.0jboss_enterprise_web_server = 2.0.0enterprise_linux = 5.0enterprise_linux = 6.0enterprise_linux = 7.0debian_linux = 9.0fedora = 33Upgrade past the affected range:
openldap 2.4.56Connected by shared product, vendor, weakness, or advisory.
CVE-2021-27212High· 7.5In OpenLDAP through 2.4.57 and 2.5.x through 2.5.1alpha, an assertion failure in slapd can occur in the issuerAndThisUpdateCheck function via a crafted packet, resulting in a denial of service (daemon exit) via a short timestamp
CVE-2020-25709High· 7.5A flaw was found in OpenLDAP
CVE-2020-36230High· 7.5A flaw was discovered in OpenLDAP before 2.4.57 leading in an assertion failure in slapd in the X.509 DN parsing in decode.c ber_next_element, resulting in denial of service.
CVE-2020-36222High· 7.5A flaw was discovered in OpenLDAP before 2.4.57 leading to an assertion failure in slapd in the saslAuthzTo validation, resulting in denial of service.
CVE-2020-36229High· 7.5A 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.
CVE-2020-36226High· 7.5A flaw was discovered in OpenLDAP before 2.4.57 leading to a memch->bv_len miscalculation and slapd crash in the saslAuthzTo processing, resulting in denial of service.