Vulnerability CVE-2020-25710
Published: 2021-05-28

Description:
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.

Type:

CWE-617

 (Reachable Assertion)

CVSS2 => (AV:N/AC:L/Au:N/C:N/I:N/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
5/10
2.9/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
None
None
Partial
Affected software
Redhat -> Jboss core services 
Redhat -> Jboss enterprise application platform 
Redhat -> Jboss enterprise web server 
Redhat -> Enterprise linux 
Openldap -> Openldap 
Fedoraproject -> Fedora 
Debian -> Debian linux 

 References:
https://lists.debian.org/debian-lts-announce/2020/12/msg00008.html
https://git.openldap.org/openldap/openldap/-/commit/ab3915154e69920d480205b4bf5ccb2b391a0a1f#a2feb6ed0257c21c6672793ee2f94eaadc10c72c
https://www.debian.org/security/2020/dsa-4792
https://bugzilla.redhat.com/show_bug.cgi?id=1899678
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