SB2023031310 - Ubuntu update for protobuf 



SB2023031310 - Ubuntu update for protobuf

Published: March 13, 2023

Security Bulletin ID SB2023031310
Severity
Medium
Patch available
YES
Number of vulnerabilities 3
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 3 secuirty vulnerabilities.


1) Resource management error (CVE-ID: CVE-2021-22569)

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

The vulnerability exists due to improper management of internal resources within the application. protobuf-java allowes the interleaving of com.google.protobuf.UnknownFieldSet fields in such a way that would be processed out of order. A small malicious payload can occupy the parser for several minutes by creating large numbers of short-lived objects that cause frequent, repeated pauses. A remote attacker can trick the victim into passing specially crafted data to the application and perform a denial of service attack.


2) Improper input validation (CVE-ID: CVE-2021-22570)

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

The vulnerability exists due to improper input validation within the Server: Compiling (protobuf) component in MySQL Server. A remote non-authenticated attacker can exploit this vulnerability to perform a denial of service (DoS) attack.


3) Improper input validation (CVE-ID: CVE-2022-1941)

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

The vulnerability exists due to improper input validation within the Connector/Python (Python) component in MySQL Connectors. A remote non-authenticated attacker can exploit this vulnerability to perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.