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CVE-2020-25710

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Date: May 28, 2021

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.

Language: C

Severity Score

Related Resources (16)

https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4@%3Cissues.bookkeeper.apache.org%3E
https://github.com/openldap/openldap/commit/bdb0d459187522a6063df13871b82ba8dcc6efe2
https://access.redhat.com/security/cve/CVE-2020-25710
https://git.openldap.org/openldap/openldap/-/commit/ab3915154e69920d480205b4bf5ccb2b391a0a1f#a2feb6ed0257c21c6672793ee2f94eaadc10c72c
https://www.debian.org/security/2020/dsa-4792
https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4%40%3Cissues.bookkeeper.apache.org%3E
https://people.canonical.com/~ubuntu-security/cve/CVE-2020-25710
https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b@%3Cissues.bookkeeper.apache.org%3E
https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b%40%3Cissues.bookkeeper.apache.org%3E
https://bugzilla.redhat.com/show_bug.cgi?id=1899678
https://security-tracker.debian.org/tracker/CVE-2020-25710
https://lists.debian.org/debian-lts-announce/2020/12/msg00008.html
https://security.netapp.com/advisory/ntap-20210716-0003/
https://security.alpinelinux.org/vuln/CVE-2020-25710
https://nvd.nist.gov/vuln/detail/CVE-2020-25710
https://www.mend.io/vulnerability-database/CVE-2020-25710

Severity Score

Weakness Type (CWE)

Reachable Assertion

CWE-617

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): PARTIAL
Additional information:

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