Improper Validation of Certificate with Host Mismatch Affecting keycloak-httpd-client-install package, versions *


Severity

Recommended
0.0
medium
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.13% (49th percentile)

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  • Snyk IDSNYK-RHEL7-KEYCLOAKHTTPDCLIENTINSTALL-5256270
  • published26 Mar 2023
  • disclosed12 May 2020

Introduced: 12 May 2020

CVE-2020-1758  (opens in a new tab)
CWE-297  (opens in a new tab)

How to fix?

There is no fixed version for RHEL:7 keycloak-httpd-client-install.

NVD Description

Note: Versions mentioned in the description apply only to the upstream keycloak-httpd-client-install package and not the keycloak-httpd-client-install package as distributed by RHEL. See How to fix? for RHEL:7 relevant fixed versions and status.

A flaw was found in Keycloak in versions before 10.0.0, where it does not perform the TLS hostname verification while sending emails using the SMTP server. This flaw allows an attacker to perform a man-in-the-middle (MITM) attack.

CVSS Scores

version 3.1