SUSE-SU-2021:0692-1

    Dashboard / Vulnerabilities / SUSE-SU-2021:0692-1

    SUSE-SU-2021:0692-1

    Published: 3 Mar 2021Last Modified: 4 Feb 2026

    Summary: Security update for openldap2

    Details: This update for openldap2 fixes the following issues: - bsc#1182408 CVE-2020-36230 - an assertion failure in slapd in the X.509 DN parsing in decode.c ber_next_element, resulting in denial of service. - bsc#1182411 CVE-2020-36229 - ldap_X509dn2bv crash in the X.509 DN parsing in ad_keystring, resulting in denial of service. - bsc#1182412 CVE-2020-36228 - integer underflow leading to crash in the Certificate List Exact Assertion processing, resulting in denial of service. - bsc#1182413 CVE-2020-36227 - infinite loop in slapd with the cancel_extop Cancel operation, resulting in denial of service. - bsc#1182416 CVE-2020-36225 - double free and slapd crash in the saslAuthzTo processing, resulting in denial of service. - bsc#1182417 CVE-2020-36224 - invalid pointer free and slapd crash in the saslAuthzTo processing, resulting in denial of service. - bsc#1182415 CVE-2020-36226 - memch->bv_len miscalculation and slapd crash in the saslAuthzTo processing, resulting in denial of service. - bsc#1182419 CVE-2020-36222 - assertion failure in slapd in the saslAuthzTo validation, resulting in denial of service. - bsc#1182420 CVE-2020-36221 - slapd crashes in the Certificate Exact Assertion processing, resulting in denial of service (schema_init.c serialNumberAndIssuerCheck). - bsc#1182418 CVE-2020-36223 - slapd crash in the Values Return Filter control handling, resulting in denial of service (double free and out-of-bounds read). - bsc#1182279 CVE-2021-27212 - 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.

    References: https://www.suse.com/support/update/announcement/2021/suse-su-20210692-1/, https://bugzilla.suse.com/1182279, https://bugzilla.suse.com/1182408, https://bugzilla.suse.com/1182411, https://bugzilla.suse.com/1182412, https://bugzilla.suse.com/1182413, https://bugzilla.suse.com/1182415, https://bugzilla.suse.com/1182416, https://bugzilla.suse.com/1182417, https://bugzilla.suse.com/1182418, https://bugzilla.suse.com/1182419, https://bugzilla.suse.com/1182420, https://www.suse.com/security/cve/CVE-2020-36221, https://www.suse.com/security/cve/CVE-2020-36222, https://www.suse.com/security/cve/CVE-2020-36223, https://www.suse.com/security/cve/CVE-2020-36224, https://www.suse.com/security/cve/CVE-2020-36225, https://www.suse.com/security/cve/CVE-2020-36226, https://www.suse.com/security/cve/CVE-2020-36227, https://www.suse.com/security/cve/CVE-2020-36228, https://www.suse.com/security/cve/CVE-2020-36229, https://www.suse.com/security/cve/CVE-2020-36230, https://www.suse.com/security/cve/CVE-2021-27212

    Affected packages

    Package

    Name: openldap2

    Purl: pkg:rpm/suse/openldap2&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Legacy%2012

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -2.4.41-39.1

    Affected versions

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High
    SUSE-SU-2021:0692-1 | CVE-DB