SB2023053151 - Ubuntu update for nanopb



SB2023053151 - Ubuntu update for nanopb

Published: May 31, 2023 Updated: November 15, 2024

Security Bulletin ID SB2023053151
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

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

Description

This security bulletin contains information about 2 vulnerabilities.


1) Memory leak (CVE-ID: CVE-2020-26243)

CWE-ID: CWE-401 - Missing release of memory after effective lifetime

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:P/U:Green


The vulnerability allows a remote attacker to perform DoS attack on the target system.

The vulnerability exists due memory leak. A remote attacker can force the application to leak memory and perform denial of service attack.


2) Release of invalid pointer or reference (CVE-ID: CVE-2021-21401)

CWE-ID: CWE-763 - Release of invalid pointer or reference

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a local user to preform a denial of service (DoS) attack.

The vulnerability exists due to release of invalid pointer. A local user can pass a specially crafted message to the application and perform a denial of service attack.


Remediation

Install update from vendor's website.