SB20240806251 - Amazon Linux AMI update for opensc



SB20240806251 - Amazon Linux AMI update for opensc

Published: August 6, 2024

Security Bulletin ID SB20240806251
CSH Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Physical access
Highest impact Partial DoS

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Use-after-free (CVE-ID: CVE-2021-42779)

CWE-ID: CWE-416 - Use After Free

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


The vulnerability allows an attacker with physical access to perform a denial of service attack.

The vulnerability exists due to a use-after-free error in Opensc in sc_file_valid. An attacker with physical access can trigger use-after-free to perform a denial of service attack.


Remediation

Install update from vendor's website.