USN-5281-1: OpenSC vulnerabilities

Packages

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

Details

It was discovered that some OpenSC smart card drivers mishandled memory
when performing certain decoding operations. An attacker could possibly
use this issue to cause a denial of service or other unspecified impact.
This issue only affected Ubuntu 16.04 ESM and Ubuntu 18.04 ESM.
(CVE-2019-15945, CVE-2019-15946)

It was discovered that some OpenSC smart card drivers had buffer overflow
vulnerabilities. An attacker could possibly use this issue to cause a
denial of service or other unspecified impact.
(CVE-2020-26570, CVE-2020-26571, CVE-2020-26572)

It was discovered that some OpenSC smart card drivers mishandled memory
when performing certain decoding operations. An attacker could possibly
use this issue to cause a denial of service or other unspecified impact.
This issue only affected Ubuntu 16.04 ESM and Ubuntu 18.04 ESM.
(CVE-2019-15945, CVE-2019-15946)

It was discovered that some OpenSC smart card drivers had buffer overflow
vulnerabilities. An attacker could possibly use this issue to cause a
denial of service or other unspecified impact.
(CVE-2020-26570, CVE-2020-26571, CVE-2020-26572)

Update instructions

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

Learn more about how to get the fixes.

Ubuntu Release	Package Version
20.04 focal	opensc-pkcs11 – 0.20.0-3ubuntu0.1~esm1
20.04 focal	opensc – 0.20.0-3ubuntu0.1~esm1
18.04 bionic	opensc-pkcs11 – 0.17.0-3ubuntu0.1~esm1
18.04 bionic	opensc – 0.17.0-3ubuntu0.1~esm1
16.04 xenial	opensc-pkcs11 – 0.15.0-1ubuntu1+esm1
16.04 xenial	opensc – 0.15.0-1ubuntu1+esm1

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References