SB2021070616 - Multiple vulnerabilities in OpenShift Container Platform 4.7 

CSH
CYBERSECURITY HELP
Sign In REGISTER

Main Vulnerability Database SB2021070616

SB2021070616 - Multiple vulnerabilities in OpenShift Container Platform 4.7

Published: July 6, 2021 Updated: October 29, 2022

Security Bulletin ID SB2021070616
Severity
Medium
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Adjecent network
Highest impact Information disclosure

Breakdown by Severity

Medium 50% Low 50%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2021-3560)

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to application does not properly impose security restrictions in the "polkit_system_bus_name_get_creds_sync" function, which leads to security restrictions bypass and privilege escalation.


2) Input validation error (CVE-ID: CVE-2021-25217)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack or gain access to sensitive information.

The vulnerability exists due to insufficient validation of options data stored in DHCP leases. A remote attacker can pass specially crafted input to the application and perform a denial of service (DoS) attack or gain access to sensitive information.

Both dhcpd and dhclient are affected by the vulnerability.


Remediation

Install update from vendor's website.

References