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CVE-2019-13565 Detail

Current Description

An issue was discovered in OpenLDAP 2.x before 2.4.48. When using SASL authentication and session encryption, and relying on the SASL security layers in slapd access controls, it is possible to obtain access that would otherwise be denied via a simple bind for any identity covered in those ACLs. After the first SASL bind is completed, the sasl_ssf value is retained for all new non-SASL connections. Depending on the ACL configuration, this can affect different types of operations (searches, modifications, etc.). In other words, a successful authorization step completed by one user affects the authorization requirement for a different user.


View Analysis Description

Severity

 


CVSS 3.x Severity and Metrics:

NIST CVSS score
NIST: NVD
Base Score:  7.5 HIGH
Vector:  CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N


NVD Analysts use publicly available information to associate vector strings and CVSS scores. We also display any CVSS information provided within the CVE List from the CNA.

Note: NVD Analysts have published a CVSS score for this CVE based on publicly available information at the time of analysis. The CNA has not provided a score within the CVE List.

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00053.html
http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00058.html
http://seclists.org/fulldisclosure/2019/Dec/26
https://lists.apache.org/thread.html/r1b103833cb5bc8466e24ff0ecc5e75b45a705334ab6a444e64e840a0@%3Cissues.bookkeeper.apache.org%3E
https://lists.debian.org/debian-lts-announce/2019/08/msg00024.html Third Party Advisory 
https://seclists.org/bugtraq/2019/Dec/23
https://support.apple.com/kb/HT210788
https://support.f5.com/csp/article/K98008862?utm_source=f5support&utm_medium=RSS
https://usn.ubuntu.com/4078-1/ Third Party Advisory 
https://usn.ubuntu.com/4078-2/ Third Party Advisory 
https://www.openldap.org/its/index.cgi/?findid=9052 Mailing List  Vendor Advisory 
https://www.openldap.org/lists/openldap-announce/201907/msg00001.html Mailing List  Vendor Advisory 
https://www.oracle.com/security-alerts/cpuapr2020.html

Weakness Enumeration

CWE-ID CWE Name Source
NVD-CWE-noinfo Insufficient Information cwe source acceptance level NIST  

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Change History

14 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2019-13565
NVD Published Date:
07/26/2019
NVD Last Modified:
08/24/2020
Source:
MITRE