SB2021102924 - SUSE update for opensc

Description

This security bulletin contains information about 2 secuirty vulnerabilities.

1) Unchecked Return Value (CVE-ID: CVE-2021-42780)

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

The vulnerability exists due to use after return issue in insert_pin() function in  Opensc. An attacker with physical access can trigger the vulnerability to perform denial of service attacks.

2) Stack-based buffer overflow (CVE-ID: CVE-2021-42782)

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

The vulnerability exists due to a boundary error in Opensc in various places. An attacker with physical access can trigger stack-based buffer overflow and perform a denial of service attack.

Remediation

Install update from vendor's website.

References

• https://www.suse.com/support/update/announcement/2021/suse-su-202114835-1/