SB2022050936 - Multiple vulnerabilities in OpenShift Serverless Client 1.22



SB2022050936 - Multiple vulnerabilities in OpenShift Serverless Client 1.22

Published: May 9, 2022

Security Bulletin ID SB2022050936
Severity
Medium
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) Buffer overflow (CVE-ID: CVE-2021-41771)

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

The vulnerability exists in debug/macho of the Go standard library when using the debug/macho standard library (stdlib) and malformed binaries are parsed using Open or OpenFat. A remote attacker can send a specially crafted file to perform a denial of service attack.


2) Input validation error (CVE-ID: CVE-2021-41772)

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

The vulnerability exists due to insufficient validation of user-supplied input in archive/zip Reader.Open. A remote attacker can pass specially crafted ZIP archive containing an invalid name or an empty filename field to the application and perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.