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Ubuntu 7346-1: OpenSC Security Advisory Updates

ubuntu
Calendar Grey March 12, 2025
Dist Ubuntu Esm H88
Critical security issues resolved in OpenSC for Ubuntu across multiple LTS versions. Urgent updates recommended for safety.
Several security issues were fixed in opensc.

Summary

Several security issues were fixed in opensc.

Software Description:

- opensc: Smart card utilities with support for PKCS#15 compatible cards

Details:

It was discovered that OpenSC did not correctly handle certain memory

operations, which could lead to a use-after-free vulnerability. An

attacker could possibly use this issue to cause a denial of service or

execute arbitrary code. This issue only affected Ubuntu 16.04 LTS,

Ubuntu 18.04 LTS and Ubuntu 20.04 LTS. (CVE-2021-42780)

It was discovered that OpenSC did not correctly handle certain memory

operations, which could lead to a stack buffer overflow. An attacker

could possibly use this issue to cause a denial of service or execute

arbitrary code. This issue only affected Ubuntu 20.04 LTS. (CVE-2021-42782)

It was discovered that OpenSC did not correctly handle the length of

certain buffers, which could lead to a out-of-bounds access vulnerability.

An attacker could possibly use this issue to cause a denial ...

Read the Full Advisory

Topics%20covered

Topics Covered

security advisory denial of service buffer overflow access control Ubuntu OpenSC memory operations

Update Instructions

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 24.10
   opensc                          0.25.1-2ubuntu1.1
   opensc-pkcs11                   0.25.1-2ubuntu1.1

Ubuntu 24.04 LTS
   opensc                          0.25.0~rc1-1ubuntu0.1~esm1
                                   Available with Ubuntu Pro
   opensc-pkcs11                   0.25.0~rc1-1ubuntu0.1~esm1
                                   Available with Ubuntu Pro

Ubuntu 22.04 LTS
   opensc                          0.22.0-1ubuntu2+esm1
                                   Available with Ubuntu Pro
   opensc-pkcs11                   0.22.0-1ubuntu2+esm1
                                   Available with Ubuntu Pro

Ubuntu 20.04 LTS
   opensc                          0.20.0-3ubuntu0.1~esm2
                                   Available with Ubuntu Pro
   opensc-pkcs11                   0.20.0-3ubuntu0.1~esm2
                                   Available with Ubuntu Pro

Ubuntu 18.04 LTS
   opensc                          0.17.0-3ubuntu0.1~esm2
                                   Available with Ubuntu Pro
   opensc-pkcs11                   0.17.0-3ubuntu0.1~esm2
                                   Available with Ubuntu Pro

Ubuntu 16.04 LTS
   opensc                          0.15.0-1ubuntu1+esm2
                                   Available with Ubuntu Pro
   opensc-pkcs11                   0.15.0-1ubuntu1+esm2
                                   Available with Ubuntu Pro

In general, a standard system update will make all the necessary changes.

References

  https://ubuntu.com/security/notices/USN-7346-1

  CVE-2021-42780, CVE-2021-42782, CVE-2023-2977, CVE-2023-40660,

  CVE-2023-40661, CVE-2023-5992, CVE-2024-45615, CVE-2024-45616,

  CVE-2024-45617, CVE-2024-45618, CVE-2024-45619, CVE-2024-45620,

  CVE-2024-8443

Severity
critical
Lowest
Low
Medium
High
Critical

Ubuntu Security Notice USN-7346-1

Topics%20covered

Topics Covered

security advisory denial of service buffer overflow access control Ubuntu OpenSC memory operations

Package Information

  https://launchpad.net/ubuntu/+source/opensc/0.25.1-2ubuntu1.1

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