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Test ID:1.3.6.1.4.1.25623.1.0.146992
Category:Denial of Service
Title:OpenLDAP < 2.4.56 Multiple DoS Vulnerabilities
Summary:OpenLDAP is prone to multiple denial of service (DoS); vulnerabilities.
Description:Summary:
OpenLDAP is prone to multiple denial of service (DoS)
vulnerabilities.

Vulnerability Insight:
The following vulnerabilities exist:

- CVE-2020-25709: An attacker who can send a malicious packet to be processed by OpenLDAP's slapd
server may trigger an assertion failure

- CVE-2020-25710: An attacker who sends a malicious packet processed by OpenLDAP may force a
failed assertion in csnNormalize23()

Affected Software/OS:
OpenLDAP prior to version 2.4.56.

Solution:
Update to version 2.4.56 or later.

CVSS Score:
5.0

CVSS Vector:
AV:N/AC:L/Au:N/C:N/I:N/A:P

Cross-Ref: Common Vulnerability Exposure (CVE) ID: CVE-2020-25709
Debian Security Information: DSA-4792 (Google Search)
https://www.debian.org/security/2020/dsa-4792
http://seclists.org/fulldisclosure/2021/Feb/14
https://bugzilla.redhat.com/show_bug.cgi?id=1899675
https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4@%3Cissues.bookkeeper.apache.org%3E
https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b@%3Cissues.bookkeeper.apache.org%3E
https://lists.debian.org/debian-lts-announce/2020/12/msg00008.html
Common Vulnerability Exposure (CVE) ID: CVE-2020-25710
https://bugzilla.redhat.com/show_bug.cgi?id=1899678
https://git.openldap.org/openldap/openldap/-/commit/ab3915154e69920d480205b4bf5ccb2b391a0a1f#a2feb6ed0257c21c6672793ee2f94eaadc10c72c
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