SB2022061010 - Multiple vulnerabilities in Envoy



SB2022061010 - Multiple vulnerabilities in Envoy

Published: June 10, 2022

Security Bulletin ID SB2022061010
Severity
High
Patch available
YES
Number of vulnerabilities 5
Exploitation vector Remote access
Highest impact Data manipulation

Breakdown by Severity

High 20% Medium 80%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 5 secuirty vulnerabilities.


1) Resource exhaustion (CVE-ID: CVE-2022-29225)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to application does not properly control consumption of internal resources. A remote attacker can trigger resource exhaustion and perform a denial of service (DoS) attack.


2) Use-after-free (CVE-ID: CVE-2022-29227)

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error. A remote attacker can perform a denial of service (DoS) attack.


3) Buffer overflow (CVE-ID: CVE-2022-29228)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary error when oauth filter calls continueDecoding(). A remote attacker can trigger memory corruption and cause a denial of service condition on the target system.


4) Incorrect Implementation of Authentication Algorithm (CVE-ID: CVE-2022-29226)

The vulnerability allows a remote attacker to to bypass authentication process.

The vulnerability exists due to the OAuth filter implementation does not include a mechanism for validating access tokens. A remote attacker can bypass the authentication.


5) NULL pointer dereference (CVE-ID: CVE-2022-29224)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a NULL pointer dereference error in the GrpcHealthCheckerImpl. A remote attacker can pass specially crafted data to the application and perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.