Openldap vulnerabilities

CVE-2023-2953 [HIGH] CWE-476 CVE-2023-2953: A vulnerability was found in openldap. This security flaw causes a null pointer dereference in ber_m A vulnerability was found in openldap. This security flaw causes a null pointer dereference in ber_memalloc_x() function.

CVE-2022-29155 [CRITICAL] CWE-89 CVE-2022-29155: In OpenLDAP 2.x before 2.5.12 and 2.6.x before 2.6.2, a SQL injection vulnerability exists in the ex In OpenLDAP 2.x before 2.5.12 and 2.6.x before 2.6.2, a SQL injection vulnerability exists in the experimental back-sql backend to slapd, via a SQL statement within an LDAP query. This can occur during an LDAP search operation when the search filter is processed, due to a lack of proper escaping.

CVE-2020-25710 [HIGH] CWE-617 CVE-2020-25710: A flaw was found in OpenLDAP in versions before 2.4.56. This flaw allows an attacker who sends a mal 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.

CVE-2020-25709 [HIGH] CWE-617 CVE-2020-25709: A flaw was found in OpenLDAP. This flaw allows an attacker who can send a malicious packet to be pro A flaw was found in OpenLDAP. This flaw allows an attacker who can send a malicious packet to be processed by OpenLDAP’s slapd server, to trigger an assertion failure. The highest threat from this vulnerability is to system availability.

CVE-2021-27212 [HIGH] CWE-617 CVE-2021-27212: In OpenLDAP through 2.4.57 and 2.5.x through 2.5.1alpha, an assertion failure in slapd can occur in In 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. This is related to schema_init.c and checkTime.

CVE-2020-36227 [HIGH] CWE-835 CVE-2020-36227: A flaw was discovered in OpenLDAP before 2.4.57 leading to an infinite loop in slapd with the cancel A flaw was discovered in OpenLDAP before 2.4.57 leading to an infinite loop in slapd with the cancel_extop Cancel operation, resulting in denial of service.

CVE-2020-36230 [HIGH] CWE-617 CVE-2020-36230: A flaw was discovered in OpenLDAP before 2.4.57 leading in an assertion failure in slapd in the X.50 A 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-2020-36223 [HIGH] CWE-125 CVE-2020-36223: A flaw was discovered in OpenLDAP before 2.4.57 leading to a slapd crash in the Values Return Filter A flaw was discovered in OpenLDAP before 2.4.57 leading to a slapd crash in the Values Return Filter control handling, resulting in denial of service (double free and out-of-bounds read).

CVE-2020-36228 [HIGH] CWE-191 CVE-2020-36228: An integer underflow was discovered in OpenLDAP before 2.4.57 leading to a slapd crash in the Certif An integer underflow was discovered in OpenLDAP before 2.4.57 leading to a slapd crash in the Certificate List Exact Assertion processing, resulting in denial of service.

CVE-2020-36225 [HIGH] CWE-415 CVE-2020-36225: A flaw was discovered in OpenLDAP before 2.4.57 leading to a double free and slapd crash in the sasl A flaw was discovered in OpenLDAP before 2.4.57 leading to a double free and slapd crash in the saslAuthzTo processing, resulting in denial of service.

CVE-2020-36229 [HIGH] CWE-843 CVE-2020-36229: A flaw was discovered in ldap_X509dn2bv in OpenLDAP before 2.4.57 leading to a slapd crash in the X. 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.

CVE-2020-36221 [HIGH] CWE-191 CVE-2020-36221: An integer underflow was discovered in OpenLDAP before 2.4.57 leading to slapd crashes in the Certif An integer underflow was discovered in OpenLDAP before 2.4.57 leading to slapd crashes in the Certificate Exact Assertion processing, resulting in denial of service (schema_init.c serialNumberAndIssuerCheck).

CVE-2020-36222 [HIGH] CWE-617 CVE-2020-36222: A flaw was discovered in OpenLDAP before 2.4.57 leading to an assertion failure in slapd in the sasl A 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-2020-36226 [HIGH] CVE-2020-36226: A flaw was discovered in OpenLDAP before 2.4.57 leading to a memch->bv_len miscalculation and slapd A 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.

CVE-2020-36224 [HIGH] CWE-763 CVE-2020-36224: A flaw was discovered in OpenLDAP before 2.4.57 leading to an invalid pointer free and slapd crash i A flaw was discovered in OpenLDAP before 2.4.57 leading to an invalid pointer free and slapd crash in the saslAuthzTo processing, resulting in denial of service.

CVE-2020-25692 [HIGH] CWE-476 CVE-2020-25692: A NULL pointer dereference was found in OpenLDAP server and was fixed in openldap 2.4.55, during a r A NULL pointer dereference was found in OpenLDAP server and was fixed in openldap 2.4.55, during a request for renaming RDNs. An unauthenticated attacker could remotely crash the slapd process by sending a specially crafted request, causing a Denial of Service.

CVE-2020-15719 [MEDIUM] CWE-295 CVE-2020-15719: libldap in certain third-party OpenLDAP packages has a certificate-validation flaw when the third-pa 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.

CVE-2020-12243 [HIGH] CWE-674 CVE-2020-12243: In filter.c in slapd in OpenLDAP before 2.4.50, LDAP search filters with nested boolean expressions In filter.c in slapd in OpenLDAP before 2.4.50, LDAP search filters with nested boolean expressions can result in denial of service (daemon crash).

CVE-2014-8182 [HIGH] CWE-193 CVE-2014-8182: An off-by-one error leading to a crash was discovered in openldap 2.4 when processing DNS SRV messag An off-by-one error leading to a crash was discovered in openldap 2.4 when processing DNS SRV messages. If slapd was configured to use the dnssrv backend, an attacker could crash the service with crafted DNS responses.

CVE-2019-13565 [HIGH] CVE-2019-13565: An issue was discovered in OpenLDAP 2.x before 2.4.48. When using SASL authentication and session en An issue was discovered in OpenLDAP 2.x before 2.4.48. When using SASL authentication and session encryption, and relying on the SASL security layers in slapd access controls, it is possible to obtain access that would otherwise be denied via a simple bind for any identity covered in those ACLs. After the first SASL bind is completed, the sasl_ssf value is re