According to the version of the openldap packages installed, the EulerOS installation on the remote host is affected by the following vulnerability :

  - 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-2020-25692)

Note that Tenable Network Security has extracted the preceding description block directly from the EulerOS security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

According to the version of the openldap packages installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerability :

  - 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-2020-25692)

Note that Tenable Network Security has extracted the preceding description block directly from the EulerOS security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

The remote NewStart CGSL host, running version CORE 5.04 / MAIN 5.04, has openldap packages installed that are affected by a vulnerability:

  - 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-2020-25692)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

According to the versions of the OpenLDAP packages installed, the EulerOS Virtualization for ARM 64 installation on the remote host is affected by the following vulnerabilities :

  - OpenLDAP 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-2020-36228)

  - OpenLDAP 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-2020-36223)

  - OpenLDAP 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-2020-36222)

  - OpenLDAP 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-2020-36221)

  - OpenLDAP 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-2020-36230)

  - OpenLDAP 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-2020-36224)

  - OpenLDAP 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-2020-36225)

  - OpenLDAP 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-2020-36227)

  - OpenLDAP 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-2020-36226)

  - OpenLDAP 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-2020-36229)

  - 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-2020-25692)

Note that Tenable Network Security has extracted the preceding description block directly from the EulerOS security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

This update for openldap2 fixes the following issues :

  - CVE-2020-25692: Fixed an unauthenticated remote denial     of service due to incorrect validation of modrdn     equality rules (bsc#1178387).

This update was imported from the SUSE:SLE-15:Update update project.

An update of the openldap package has been released.

The remote Redhat Enterprise Linux 7 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2021:1389 advisory.

    OpenLDAP is an open-source suite of Lightweight Directory Access Protocol (LDAP) applications and     development tools. LDAP is a set of protocols used to access and maintain distributed directory     information services over an IP network.

    Security Fix(es):

    * openldap: NULL pointer dereference for unauthenticated packet in slapd (CVE-2020-25692)

    For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and     other related information, refer to the CVE page(s) listed in the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The remote NewStart CGSL host, running version CORE 5.05 / MAIN 5.05, has openldap packages installed that are affected by a vulnerability:

  - 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-2020-25692)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The remote MiracleLinux 7 host has packages installed that are affected by a vulnerability as referenced in the AXSA:2021-1719:02 advisory.

    openldap: NULL pointer dereference for unauthenticated packet in slapd     (CVE-2020-25692)

Tenable has extracted the preceding description block directly from the MiracleLinux security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

According to the versions of the openldap packages installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities :

  - 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-2020-25692)

  - 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-2020-36221)

  - 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-2020-36222)

  - 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-2020-36223)

  - 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-2020-36224)

  - 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-2020-36225)

  - 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-2020-36226)

  - 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-2020-36227)

  - 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-2020-36228)

  - 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-2020-36229)

  - 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-2020-36230)

  - 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-2021-27212)

Note that Tenable Network Security has extracted the preceding description block directly from the EulerOS security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

ID	名称	产品	系列	发布时间	最近更新时间	严重程度
145757	EulerOS 2.0 SP8 : openldap (EulerOS-SA-2021-1157)	Nessus	Huawei Local Security Checks	2021/2/1	2024/1/25	high
147046	EulerOS Virtualization 3.0.6.6 : openldap (EulerOS-SA-2021-1503)	Nessus	Huawei Local Security Checks	2021/3/4	2024/1/16	high
147686	EulerOS Virtualization 2.9.0 : openldap (EulerOS-SA-2021-1638)	Nessus	Huawei Local Security Checks	2021/3/11	2024/1/10	high
154520	NewStart CGSL CORE 5.04 / MAIN 5.04 : openldap Vulnerability (NS-SA-2021-0114)	Nessus	NewStart CGSL Local Security Checks	2021/10/27	2021/10/27	high
147513	EulerOS Virtualization for ARM 64 3.0.2.0 : OpenLDAP (EulerOS-SA-2021-1394)	Nessus	Huawei Local Security Checks	2021/3/10	2026/2/24	high
142937	openSUSE Security Update : openldap2 (openSUSE-2020-1918)	Nessus	SuSE Local Security Checks	2020/11/17	2024/2/8	high
142949	openSUSE Security Update : openldap2 (openSUSE-2020-1920)	Nessus	SuSE Local Security Checks	2020/11/17	2024/2/8	high
144517	Photon OS 1.0: Openldap PHSA-2020-1.0-0349	Nessus	PhotonOS Local Security Checks	2020/12/22	2024/7/23	high
149027	RHEL 7 : openldap (RHSA-2021:1389)	Nessus	Red Hat Local Security Checks	2021/4/27	2024/11/7	high
160766	NewStart CGSL CORE 5.05 / MAIN 5.05 : openldap Vulnerability (NS-SA-2022-0035)	Nessus	NewStart CGSL Local Security Checks	2022/5/9	2022/5/9	high
294448	MiracleLinux 7 : openldap-2.4.44-23.el7 (AXSA:2021-1719:02)	Nessus	Miracle Linux Local Security Checks	2026/1/20	2026/1/20	high
151384	EulerOS Virtualization 3.0.2.2 : openldap (EulerOS-SA-2021-2152)	Nessus	Huawei Local Security Checks	2021/7/6	2023/12/11	high

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