SB2021032317 - Denial of service in Nanopb
Published: March 23, 2021 Updated: May 31, 2023
Security Bulletin ID
SB2021032317
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Partial DoS
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Release of invalid pointer or reference (CVE-ID: CVE-2021-21401)
CWE-ID: CWE-763 - Release of invalid pointer or reference
CVSSv4: 4.8 [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]
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.