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Juniper Junos OS: 2021-01 Security Bulletin: Junos OS: SRX Series: Integrated User Firewall OpenLDAP vulnerability resolved (JSA11088) (CVE-2019-13565)

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Juniper Junos OS: 2021-01 Security Bulletin: Junos OS: SRX Series: Integrated User Firewall OpenLDAP vulnerability resolved (JSA11088) (CVE-2019-13565)

Severity
5
CVSS
(AV:N/AC:L/Au:N/C:P/I:N/A:N)
Published
07/26/2019
Created
01/15/2021
Added
01/14/2021
Modified
01/14/2021

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.

Solution(s)

  • juniper-junos-os-upgrade-latest

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