SB2021020313 - SSRF in Red Hat Single Sign-On 7.4 for RHEL 6 

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Main Vulnerability Database SB2021020313

SB2021020313 - SSRF in Red Hat Single Sign-On 7.4 for RHEL 6

Published: February 3, 2021 Updated: November 18, 2021

Security Bulletin ID SB2021020313
Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Information disclosure

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Server-Side Request Forgery (SSRF) (CVE-ID: CVE-2020-10770)

The disclosed vulnerability allows a remote attacker to perform SSRF attacks.

The vulnerability exists due to insufficient validation of user-supplied input passed via the "OIDC" parameter. A remote attacker can send a specially crafted HTTP request and trick the application to initiate requests to arbitrary systems.

Successful exploitation of this vulnerability may allow a remote attacker gain access to sensitive data, located in the local network or send malicious requests to other servers from the vulnerable system.


Remediation

Install update from vendor's website.

References